UDR

SEC source: 0001664272-25-000366 · f4_a1eus000006012hmaq-live.xml · nonDerivative · entry 1

Bragg David D. · CIK 0002074905 · SVP - Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,384

F1 · shares: Subject to the reporting person's continued employment, the grant vests in equal installments over five years from the grant date.

SEC source: 0001664272-25-000253 · f4_a1eus000004vsvnmaw-live.xml · derivative · entry 3

TOOMEY THOMAS W · CIK 0001195697 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 125,000 shares

Expires not disclosed

F2 · security: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F7 · shares: Amount represents the number of Partnership Common Units acquired by the Company.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000253 · f4_a1eus000004vsvnmaw-live.xml · derivative · entry 2

TOOMEY THOMAS W · CIK 0001195697 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Common Stock · 125,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F6 · shares: Amount represents the number of Partnership Common Units acquired upon conversion of the Class 2 LTIP Units.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000253 · f4_a1eus000004vsvnmaw-live.xml · derivative · entry 1

TOOMEY THOMAS W · CIK 0001195697 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 781,236

Underlying: Common Stock · 125,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: Amount represents the number of vested Class 2 LTIP Units that were converted into Partnership Common Units.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000145 · f4_a1eus000003zushmau-live.xml · nonDerivative · entry 1

TOOMEY THOMAS W · CIK 0001195697 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 824,716

SEC source: 0001664272-25-000121 · f4_a1eus000003ylfxmam-live.xml · nonDerivative · entry 1

Hofmeister Tracy L · CIK 0001614109 · SVP-Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,128

SEC source: 0001664272-25-000108 · f4_a1eus000003whpfmaq-live.xml · nonDerivative · entry 3

Lacy Michael D · CIK 0001827142 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,783

F1 · kind: Represents shares of restricted stock withheld to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001664272-25-000109 · f4_a1eus000003wjo1mai-live.xml · derivative · entry 3

Hofmeister Tracy L · CIK 0001614109 · SVP-Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,197

Underlying: Common Stock · 69 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined by the Committee for the applicable portion of the award on the Determination Date, February 13, 2025.

F9 · shares: The vesting of these Class 2 LTIP Units occurs on the Determination Date for the applicable performance period ending on December 31, 2024 based the achievement of a pre-determined FFO as Adjusted goal over a one-year period. The Class 2 LTIP Units vest 50 percent on the Determination Date, and 50 percent on the one-year anniversary thereof.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F9 · derivative.exercise_date: The vesting of these Class 2 LTIP Units occurs on the Determination Date for the applicable performance period ending on December 31, 2024 based the achievement of a pre-determined FFO as Adjusted goal over a one-year period. The Class 2 LTIP Units vest 50 percent on the Determination Date, and 50 percent on the one-year anniversary thereof.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000109 · f4_a1eus000003wjo1mai-live.xml · derivative · entry 2

Hofmeister Tracy L · CIK 0001614109 · SVP-Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,266

Underlying: Common Stock · 1,834 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · shares: The vesting of these Class 2 Performance LTIP Units occurs on the date the Committee determines performance (the "Determination Date") for the applicable performance period based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined by the Committee for the applicable portion of the award on the Determination Date, February 13, 2025.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.exercise_date: The vesting of these Class 2 Performance LTIP Units occurs on the date the Committee determines performance (the "Determination Date") for the applicable performance period based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000109 · f4_a1eus000003wjo1mai-live.xml · nonDerivative · entry 1

Hofmeister Tracy L · CIK 0001614109 · SVP-Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,128

SEC source: 0001664272-25-000108 · f4_a1eus000003whpfmaq-live.xml · derivative · entry 6

Lacy Michael D · CIK 0001827142 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 346,271

Underlying: Common Stock · 9,965 shares

Expires not disclosed

F2 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F3 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to Amended and Restated Partnership Agreement of the UDR Partnership (the "Partnership Agreement") and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F4 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F5 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F6 · shares: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F7 · shares: In the event of a change of control of the Company, the Class 2LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F9 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined by the Committee for the applicable portion of the award on the Determination Date, February 13, 2025.

F11 · shares: The vesting of these Class 2 LTIP Units is determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These LTIP Units vest upon a determination by the Committee after the completion of the applicable performance period.

F12 · shares: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics is determined as follows: 40 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 10 percent based on a transactions index goal; 10 percent based on a GRESB percentile goal; and 10 percent based on an associate engagement & DEI goal, each over a one-year period.

F6 · derivative.exercise_date: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F3 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to Amended and Restated Partnership Agreement of the UDR Partnership (the "Partnership Agreement") and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F4 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F5 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F7 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F11 · derivative.exercise_date: The vesting of these Class 2 LTIP Units is determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These LTIP Units vest upon a determination by the Committee after the completion of the applicable performance period.

F12 · derivative.exercise_date: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics is determined as follows: 40 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 10 percent based on a transactions index goal; 10 percent based on a GRESB percentile goal; and 10 percent based on an associate engagement & DEI goal, each over a one-year period.

F5 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F3 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to Amended and Restated Partnership Agreement of the UDR Partnership (the "Partnership Agreement") and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F4 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F5 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000108 · f4_a1eus000003whpfmaq-live.xml · derivative · entry 5

Lacy Michael D · CIK 0001827142 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 356,236

Underlying: Common Stock · 391 shares

Expires not disclosed

F2 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F3 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to Amended and Restated Partnership Agreement of the UDR Partnership (the "Partnership Agreement") and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F4 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F5 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F6 · shares: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F7 · shares: In the event of a change of control of the Company, the Class 2LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F9 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined by the Committee for the applicable portion of the award on the Determination Date, February 13, 2025.

F10 · shares: The vesting of these Class 2 LTIP Units occurs on the Determination Date for the applicable performance period ending on December 31, 2024 based the achievement of a pre-determined FFO as Adjusted goal over a one-year period. The LTIP Units vest 50 percent on the Determination Date, and 50 percent on the one-year anniversary thereof.

F6 · derivative.exercise_date: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F3 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to Amended and Restated Partnership Agreement of the UDR Partnership (the "Partnership Agreement") and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F4 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F5 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F7 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F10 · derivative.exercise_date: The vesting of these Class 2 LTIP Units occurs on the Determination Date for the applicable performance period ending on December 31, 2024 based the achievement of a pre-determined FFO as Adjusted goal over a one-year period. The LTIP Units vest 50 percent on the Determination Date, and 50 percent on the one-year anniversary thereof.

F5 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F3 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to Amended and Restated Partnership Agreement of the UDR Partnership (the "Partnership Agreement") and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F4 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F5 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000108 · f4_a1eus000003whpfmaq-live.xml · derivative · entry 4

Lacy Michael D · CIK 0001827142 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 356,627

Underlying: Common Stock · 11,005 shares

Expires not disclosed

F2 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F3 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to Amended and Restated Partnership Agreement of the UDR Partnership (the "Partnership Agreement") and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F4 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F5 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F6 · shares: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F8 · shares: The vesting of these Class 2 LTIP Units occurs on the date the Committee determines performance (the "Determination Date") for the applicable performance period based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F7 · shares: In the event of a change of control of the Company, the Class 2LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F9 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined by the Committee for the applicable portion of the award on the Determination Date, February 13, 2025.

F6 · derivative.exercise_date: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F8 · derivative.exercise_date: The vesting of these Class 2 LTIP Units occurs on the date the Committee determines performance (the "Determination Date") for the applicable performance period based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F3 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to Amended and Restated Partnership Agreement of the UDR Partnership (the "Partnership Agreement") and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F4 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F5 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F7 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F5 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F3 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to Amended and Restated Partnership Agreement of the UDR Partnership (the "Partnership Agreement") and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F4 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F5 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000108 · f4_a1eus000003whpfmaq-live.xml · nonDerivative · entry 2

Lacy Michael D · CIK 0001827142 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,367

F1 · kind: Represents shares of restricted stock withheld to satisfy the reporting person's tax withholding obligation upon vesting of restricted stock. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001664272-25-000108 · f4_a1eus000003whpfmaq-live.xml · nonDerivative · entry 1

Lacy Michael D · CIK 0001827142 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,933

SEC source: 0001664272-25-000107 · f4_a1eus000003whsfmai-live.xml · derivative · entry 3

Fisher Joseph D · CIK 0001691531 · President, CFO & CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 552,288

Underlying: Common Stock · 24,091 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined by the Committee for the applicable portion of the award on the Determination Date, February 13, 2025.

F10 · shares: The vesting of these Class 2 Units is determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · shares: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics is determined as follows: 35 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 15 percent based on a transactions index goal; 10 percent based on a GRESB percentile goal; and 10 percent based on an associate engagement & DEI goal, each over a one-year period.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F10 · derivative.exercise_date: The vesting of these Class 2 Units is determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · derivative.exercise_date: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics is determined as follows: 35 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 15 percent based on a transactions index goal; 10 percent based on a GRESB percentile goal; and 10 percent based on an associate engagement & DEI goal, each over a one-year period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000107 · f4_a1eus000003whsfmai-live.xml · derivative · entry 2

Fisher Joseph D · CIK 0001691531 · President, CFO & CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 576,379

Underlying: Common Stock · 674 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined by the Committee for the applicable portion of the award on the Determination Date, February 13, 2025.

F9 · shares: The vesting of these Class 2 LTIP Units occurs on the Determination Date for the applicable performance period ending on December 31, 2024 based the achievement of a pre-determined FFO as Adjusted goal over a one-year period. The Class 2 LTIP Units vest 50 percent on the Determination Date, and 50 percent on the one-year anniversary thereof.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F9 · derivative.exercise_date: The vesting of these Class 2 LTIP Units occurs on the Determination Date for the applicable performance period ending on December 31, 2024 based the achievement of a pre-determined FFO as Adjusted goal over a one-year period. The Class 2 LTIP Units vest 50 percent on the Determination Date, and 50 percent on the one-year anniversary thereof.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000107 · f4_a1eus000003whsfmai-live.xml · derivative · entry 1

Fisher Joseph D · CIK 0001691531 · President, CFO & CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 577,053

Underlying: Common Stock · 31,436 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · shares: The vesting of these Class 2 Performance LTIP Units occurs on the date the Committee determines performance (the "Determination Date") for the applicable performance period based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined by the Committee for the applicable portion of the award on the Determination Date, February 13, 2025.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.exercise_date: The vesting of these Class 2 Performance LTIP Units occurs on the date the Committee determines performance (the "Determination Date") for the applicable performance period based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000106 · f4_a1eus000003wdgqmaa-live.xml · derivative · entry 3

TOOMEY THOMAS W · CIK 0001195697 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 906,236

Underlying: Common Stock · 27,360 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F10 · shares: The vesting of these Class 2 Units is determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units vest upon a determination by the Committee after the completion of the applicable performance period.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined by the Committee for the applicable portion of the award on the Determination Date, February 13, 2025.

F11 · shares: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics is determined as follows: 35 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 15 percent based on a transactions index goal; 10 percent based on a GRESB percentile goal; and 10 percent based on an associate engagement & DEI goal, each over a one-year period.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F10 · derivative.exercise_date: The vesting of these Class 2 Units is determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · derivative.exercise_date: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics is determined as follows: 35 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 15 percent based on a transactions index goal; 10 percent based on a GRESB percentile goal; and 10 percent based on an associate engagement & DEI goal, each over a one-year period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000106 · f4_a1eus000003wdgqmaa-live.xml · derivative · entry 2

TOOMEY THOMAS W · CIK 0001195697 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 933,596

Underlying: Common Stock · 2,195 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined by the Committee for the applicable portion of the award on the Determination Date, February 13, 2025.

F9 · shares: The vesting of these Class 2 LTIP Units occurs on the Determination Date for the applicable performance period ending on December 31, 2024 based the achievement of a pre-determined FFO as Adjusted goal over a one-year period. The Class 2 LTIP Units vest 50 percent on the Determination Date, and 50 percent on the one-year anniversary thereof.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F9 · derivative.exercise_date: The vesting of these Class 2 LTIP Units occurs on the Determination Date for the applicable performance period ending on December 31, 2024 based the achievement of a pre-determined FFO as Adjusted goal over a one-year period. The Class 2 LTIP Units vest 50 percent on the Determination Date, and 50 percent on the one-year anniversary thereof.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000106 · f4_a1eus000003wdgqmaa-live.xml · derivative · entry 1

TOOMEY THOMAS W · CIK 0001195697 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 935,791

Underlying: Common Stock · 118,837 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F7 · shares: The vesting of these Class 2 Performance LTIP Units occurs on the date the Committee determines performance (the "Determination Date") for the applicable performance period based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F5 · shares: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined by the Committee for the applicable portion of the award on the Determination Date, February 13, 2025.

F7 · derivative.exercise_date: The vesting of these Class 2 Performance LTIP Units occurs on the date the Committee determines performance (the "Determination Date") for the applicable performance period based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-25-000017 · f4_a1eus000003m0clmas-live.xml · derivative · entry 1

KLINGBEIL JAMES D · CIK 0001195692 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,738

Underlying: Common Stock · 8,229 shares

Expires not disclosed

F1 · security: Represents Class 1 LTIP Units in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

SEC source: 0001664272-25-000016 · f4_a1eus000003m16zmac-live.xml · derivative · entry 1

Nickelberry Kevin C · CIK 0001882598 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,760

Underlying: Common Stock · 6,584 shares

Expires not disclosed

F1 · security: Represents Class 1 LTIP Units in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

SEC source: 0001664272-25-000015 · f4_a1eus000003lyywmak-live.xml · derivative · entry 1

Hofmeister Tracy L · CIK 0001614109 · SVP-Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,100

Underlying: Common Stock · 12,274 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · shares: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · shares: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

F9 · shares: Amount represents the maximum award (including dividends) that could be earned, which is subject to forfeiture when the performance results are determined.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.exercise_date: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · derivative.exercise_date: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.underlying: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.underlying: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · derivative.underlying: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

SEC source: 0001664272-25-000014 · f4_a1eus000003m04tmas-live.xml · derivative · entry 2

Lacy Michael D · CIK 0001827142 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 367,632

Underlying: Common Stock · 36,977 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F9 · shares: Amount represents the maximum award (including dividends) that could be earned, which is subject to forfeiture when the performance results are determined.

F10 · shares: The vesting of these Class 2 LTIP Units shall be determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units will vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · shares: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics shall be determined as follows: 40 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 10 percent based on a transactions index goal; 10 percent based on a Sustainability Index goal; and 10 percent based on a Health of the Workforce goal, each over a one-year period.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F10 · derivative.exercise_date: The vesting of these Class 2 LTIP Units shall be determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units will vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · derivative.exercise_date: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics shall be determined as follows: 40 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 10 percent based on a transactions index goal; 10 percent based on a Sustainability Index goal; and 10 percent based on a Health of the Workforce goal, each over a one-year period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.underlying: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F10 · derivative.underlying: The vesting of these Class 2 LTIP Units shall be determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units will vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · derivative.underlying: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics shall be determined as follows: 40 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 10 percent based on a transactions index goal; 10 percent based on a Sustainability Index goal; and 10 percent based on a Health of the Workforce goal, each over a one-year period.

SEC source: 0001664272-25-000014 · f4_a1eus000003m04tmas-live.xml · derivative · entry 1

Lacy Michael D · CIK 0001827142 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 330,655

Underlying: Common Stock · 76,360 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · shares: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · shares: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

F9 · shares: Amount represents the maximum award (including dividends) that could be earned, which is subject to forfeiture when the performance results are determined.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.exercise_date: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · derivative.exercise_date: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.underlying: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.underlying: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · derivative.underlying: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

SEC source: 0001664272-25-000013 · f4_a1eus000003m01fmas-live.xml · derivative · entry 2

Fisher Joseph D · CIK 0001691531 · President, CFO & CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 608,489

Underlying: Common Stock · 60,369 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F9 · shares: Amount represents the maximum award (including dividends) that could be earned, which is subject to forfeiture when the performance results are determined.

F10 · shares: The vesting of these Class 2 LTIP Units shall be determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units will vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · shares: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics shall be determined as follows: 25 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 25 percent based on a transactions index goal; 10 percent based on a Sustainability Index goal; and 10 percent based on a Health of the Workforce goal, each over a one-year period.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F10 · derivative.exercise_date: The vesting of these Class 2 LTIP Units shall be determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units will vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · derivative.exercise_date: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics shall be determined as follows: 25 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 25 percent based on a transactions index goal; 10 percent based on a Sustainability Index goal; and 10 percent based on a Health of the Workforce goal, each over a one-year period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.underlying: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F10 · derivative.underlying: The vesting of these Class 2 LTIP Units shall be determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units will vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · derivative.underlying: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics shall be determined as follows: 25 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 25 percent based on a transactions index goal; 10 percent based on a Sustainability Index goal; and 10 percent based on a Health of the Workforce goal, each over a one-year period.

SEC source: 0001664272-25-000013 · f4_a1eus000003m01fmas-live.xml · derivative · entry 1

Fisher Joseph D · CIK 0001691531 · President, CFO & CIO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 548,120

Underlying: Common Stock · 117,271 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · shares: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · shares: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

F9 · shares: Amount represents the maximum award (including dividends) that could be earned, which is subject to forfeiture when the performance results are determined.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.exercise_date: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · derivative.exercise_date: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.underlying: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.underlying: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · derivative.underlying: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

SEC source: 0001664272-25-000012 · f4_a1eus000003lzjhmak-live.xml · derivative · entry 2

TOOMEY THOMAS W · CIK 0001195697 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,054,628

Underlying: Common Stock · 52,824 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F9 · shares: Amount represents the maximum award (including dividends) that could be earned, which is subject to forfeiture when the performance results are determined.

F10 · shares: The vesting of these Class 2 LTIP Units shall be determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units will vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · shares: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics shall be determined as follows: 35 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 15 percent based on a transactions index goal; 10 percent based on a Sustainability Index goal; and 10 percent based on a Health of the Workforce goal, each over a one-year period.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F10 · derivative.exercise_date: The vesting of these Class 2 LTIP Units shall be determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units will vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · derivative.exercise_date: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics shall be determined as follows: 35 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 15 percent based on a transactions index goal; 10 percent based on a Sustainability Index goal; and 10 percent based on a Health of the Workforce goal, each over a one-year period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.underlying: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F10 · derivative.underlying: The vesting of these Class 2 LTIP Units shall be determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics. These Class 2 LTIP Units will vest upon a determination by the Committee after the completion of the applicable performance period.

F11 · derivative.underlying: The portion of these Class 2 LTIP Units that vests based upon the achievement of pre-determined financial metrics shall be determined as follows: 35 percent based on an operations index goal; 30 percent based on an FFO as Adjusted per share goal; 15 percent based on a transactions index goal; 10 percent based on a Sustainability Index goal; and 10 percent based on a Health of the Workforce goal, each over a one-year period.

SEC source: 0001664272-25-000012 · f4_a1eus000003lzjhmak-live.xml · derivative · entry 1

TOOMEY THOMAS W · CIK 0001195697 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,001,804

Underlying: Common Stock · 190,904 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · shares: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · shares: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

F9 · shares: Amount represents the maximum award (including dividends) that could be earned, which is subject to forfeiture when the performance results are determined.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.exercise_date: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · derivative.exercise_date: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 2 LTIP Units will vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested Class 2 LTIP Units shall thereafter become vested.

F6 · derivative.underlying: In the event of a change of control of the Company, the Class 2 LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.underlying: The vesting of these Class 2 LTIP Units shall be determined as follows: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric"); and 15 percent shall be based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric").

F8 · derivative.underlying: The portions of these Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative FFO as Adjusted Metric and the 3-Year Relative REIT TSR Metric will vest on the date the Committee determines performance with respect to such metrics. The portion of these Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will vest 50 percent on the date the Committee determines performance with respect to such metrics and 50 percent on the one year anniversary thereof.

SEC source: 0001664272-25-000011 · f4_a1eus000003m1bpmak-live.xml · derivative · entry 1

Patterson Mark R · CIK 0001500081 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,793

Underlying: Common Stock · 4,703 shares

Expires not disclosed

F1 · security: Represents Class 1 LTIP Units in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

SEC source: 0001664272-25-000010 · f4_a1eus000003lzbgmak-live.xml · derivative · entry 1

Morefield Diane M · CIK 0001487292 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,401

Underlying: Common Stock · 4,703 shares

Expires not disclosed

F1 · security: Represents Class 1 LTIP Units in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

SEC source: 0001664272-25-000009 · f4_a1eus000003m0yvmac-live.xml · nonDerivative · entry 1

MCNAMARA ROBERT A · CIK 0001194760 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,875

SEC source: 0001664272-25-000008 · f4_a1eus000003lxeumas-live.xml · derivative · entry 1

McDonnough Clinton D · CIK 0001663049 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,676

Underlying: Common Stock · 4,703 shares

Expires not disclosed

F1 · security: Represents Class 1 LTIP Units in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

SEC source: 0001664272-25-000007 · f4_a1eus000003m0ajmac-live.xml · derivative · entry 1

King Mary Ann · CIK 0001648077 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,704

Underlying: Common Stock · 6,584 shares

Expires not disclosed

F1 · security: Represents Class 1 LTIP Units in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 1 LTIP Unit (as described in footnote 5 below), each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.underlying: The Class 1 LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

SEC source: 0001664272-25-000006 · f4_a1eus000003m0cyma0-live.xml · derivative · entry 1

GROVE JON A · CIK 0001195691 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 171,719

Underlying: Common Stock · 29,536 shares

Expires 2035-01-02

F1 · security: Represents Class 1 Performance LTIP Units in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement"), each Class 1 Performance LTIP Unit may be converted, at the election of the holder, into a Class 1 LTIP Unit at any time (i) on or after when the Class 1 Performance LTIP Unit has vested and (ii) before the expiration date of the Class 1 Performance LTIP Unit.

F3 · derivative.exercise_price: Class 1 Performance LTIP Units convert to a number of Class 1 LTIP Units equal to (i) the applicable Performance LTIP Unit Value, which is calculated as the product of (x) the excess (if any) of the REIT Share Value over the Issue Price for the Class 1 Performance Unit and (y) the Conversion Factor, multiplied by (ii) the number of Class 1 Performance LTIP Units being converted, and divided by (iii) the REIT Share Value on the Conversion Date, as such terms are defined in the Partnership Agreement.

F4 · derivative.exercise_price: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 1 LTIP Unit, each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F5 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F6 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F7 · shares: The Class 1 Performance LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement"), each Class 1 Performance LTIP Unit may be converted, at the election of the holder, into a Class 1 LTIP Unit at any time (i) on or after when the Class 1 Performance LTIP Unit has vested and (ii) before the expiration date of the Class 1 Performance LTIP Unit.

F3 · derivative.exercise_date: Class 1 Performance LTIP Units convert to a number of Class 1 LTIP Units equal to (i) the applicable Performance LTIP Unit Value, which is calculated as the product of (x) the excess (if any) of the REIT Share Value over the Issue Price for the Class 1 Performance Unit and (y) the Conversion Factor, multiplied by (ii) the number of Class 1 Performance LTIP Units being converted, and divided by (iii) the REIT Share Value on the Conversion Date, as such terms are defined in the Partnership Agreement.

F4 · derivative.exercise_date: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 1 LTIP Unit, each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F5 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F6 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F7 · derivative.exercise_date: The Class 1 Performance LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

F2 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement"), each Class 1 Performance LTIP Unit may be converted, at the election of the holder, into a Class 1 LTIP Unit at any time (i) on or after when the Class 1 Performance LTIP Unit has vested and (ii) before the expiration date of the Class 1 Performance LTIP Unit.

F3 · derivative.underlying: Class 1 Performance LTIP Units convert to a number of Class 1 LTIP Units equal to (i) the applicable Performance LTIP Unit Value, which is calculated as the product of (x) the excess (if any) of the REIT Share Value over the Issue Price for the Class 1 Performance Unit and (y) the Conversion Factor, multiplied by (ii) the number of Class 1 Performance LTIP Units being converted, and divided by (iii) the REIT Share Value on the Conversion Date, as such terms are defined in the Partnership Agreement.

F4 · derivative.underlying: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 1 LTIP Unit, each Class 1 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 1 LTIP Unit has been outstanding for at least two years from the date of grant.

F5 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F6 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 1 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F7 · derivative.underlying: The Class 1 Performance LTIP Units shall vest on the first anniversary of the vesting commencement date, which is January 2, 2026.

SEC source: 0001664272-25-000005 · f4_a1eus000003lwnsma0-live.xml · derivative · entry 2

CATTANACH KATHERINE A · CIK 0001359435 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,743

Underlying: Common Stock · 10,644 shares

Expires 2035-01-02

F1 · derivative.exercise_date: The stock options shall vest on January 2, 2026.

SEC source: 0001664272-25-000005 · f4_a1eus000003lwnsma0-live.xml · nonDerivative · entry 1

CATTANACH KATHERINE A · CIK 0001359435 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,836

SEC source: 0001664272-25-000102 · f5_a1eus000003tlhvmay-live.xml · nonDerivative · entry 1

Lacy Michael D · CIK 0001827142 · COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,778

F1 · kind: Shares acquired through Dividend Reinvestment.

F1 · shares: Shares acquired through Dividend Reinvestment.

SEC source: 0001664272-25-000099 · f5_a1eus000003tnrnmay-live.xml · nonDerivative · entry 1

CATTANACH KATHERINE A · CIK 0001359435 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,083

F1 · kind: Shares acquired through Dividend Reinvestment.

F1 · shares: Shares acquired through Dividend Reinvestment.

SEC source: 0001664272-24-000402 · f4_a1eus000002ofirmam-live.xml · derivative · entry 1

TOOMEY THOMAS W · CIK 0001195697 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 810,900

Underlying: Common Stock · 40,835 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: On November 15, 2023, the reporting person contributed 75,000 Class 2 LTIP Units to the "Thomas W. Toomey 2023 Grantor Retained Annuity Trust TD" and 25,000 Class 2 LTIP Units to the "Thomas W. Toomey 2023 Grantor Retained Annuity Trust BDJ" for no consideration. On November 21, 2024, the reporting person received 30,626 Class 2 LTIP Units from the "Thomas W. Toomey 2023 Grantor Retained Annuity Trust TD" and 10,209 Class 2 LTIP Units to the "Thomas W. Toomey 2023 Grantor Retained Annuity Trust BDJ" for no consideration.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-24-000338 · f4_a1eus000001v2eemay-live.xml · derivative · entry 3

Fisher Joseph D · CIK 0001691531 · President-CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 45,000 shares

Expires not disclosed

F2 · security: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F7 · shares: Amount represents the number of Partnership Common Units acquired by the UDR Partnership.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-24-000338 · f4_a1eus000001v2eemay-live.xml · derivative · entry 2

Fisher Joseph D · CIK 0001691531 · President-CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 430,849

Underlying: Common Stock · 45,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: Amount represents the number of vested Class 2 LTIP Units that were converted into Partnership Common Units.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-24-000338 · f4_a1eus000001v2eemay-live.xml · derivative · entry 1

Fisher Joseph D · CIK 0001691531 · President-CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,000

Underlying: Common Stock · 45,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F6 · shares: Amount represents the number of Partnership Common Units acquired upon conversion of the Class 2 LTIP Units.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Amended and Restated Agreement of Limited Partnership of the UDR Partnership, as amended (the "Partnership Agreement") and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-24-000325 · f4_a1edp0000016rnnmam-live.xml · derivative · entry 6

ALCOCK HARRY G · CIK 0001229387 · SVP-Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 509,907

Underlying: Common Stock · 123,332 shares

Expires 2033-01-03

F12 · security: Represents Class 2 Performance LTIP Units in the UDR Partnership (the "Class 2 Performance LTIP Units").

F2 · derivative.exercise_price: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F13 · derivative.exercise_price: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement"), each Class 2 Performance LTIP Unit may be converted, at the election of the holder, into a Class 2 LTIP Unit at any time (i) on or after when the Class 2 Performance LTIP Unit has vested and (ii) before the expiration date of the Class 2 Performance LTIP Unit.

F14 · derivative.exercise_price: Class 2 Performance LTIP Units convert to a number of Class 2 LTIP Units equal to (i) the applicable Performance LTIP Unit Value, which is calculated as the product of (x) the excess (if any) of the REIT Share Value over the Issue Price for the Class 2 Performance Unit and (y) the Conversion Factor, multiplied by (ii) the number of Class 2 Performance LTIP Units being converted, and divided by (iii) the REIT Share Value on the Conversion Date, as such terms are defined in the Partnership Agreement.

F5 · shares: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · shares: The vesting of these LTIP Units is based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined on July 31, 2024.

F11 · shares: The vesting of these LTIP Units is based on the achievement of a pre-determined FFO as Adjusted goal over the applicable performance period.

F13 · shares: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement"), each Class 2 Performance LTIP Unit may be converted, at the election of the holder, into a Class 2 LTIP Unit at any time (i) on or after when the Class 2 Performance LTIP Unit has vested and (ii) before the expiration date of the Class 2 Performance LTIP Unit.

F14 · shares: Class 2 Performance LTIP Units convert to a number of Class 2 LTIP Units equal to (i) the applicable Performance LTIP Unit Value, which is calculated as the product of (x) the excess (if any) of the REIT Share Value over the Issue Price for the Class 2 Performance Unit and (y) the Conversion Factor, multiplied by (ii) the number of Class 2 Performance LTIP Units being converted, and divided by (iii) the REIT Share Value on the Conversion Date, as such terms are defined in the Partnership Agreement.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.exercise_date: The vesting of these LTIP Units is based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F11 · derivative.exercise_date: The vesting of these LTIP Units is based on the achievement of a pre-determined FFO as Adjusted goal over the applicable performance period.

F13 · derivative.exercise_date: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement"), each Class 2 Performance LTIP Unit may be converted, at the election of the holder, into a Class 2 LTIP Unit at any time (i) on or after when the Class 2 Performance LTIP Unit has vested and (ii) before the expiration date of the Class 2 Performance LTIP Unit.

F14 · derivative.exercise_date: Class 2 Performance LTIP Units convert to a number of Class 2 LTIP Units equal to (i) the applicable Performance LTIP Unit Value, which is calculated as the product of (x) the excess (if any) of the REIT Share Value over the Issue Price for the Class 2 Performance Unit and (y) the Conversion Factor, multiplied by (ii) the number of Class 2 Performance LTIP Units being converted, and divided by (iii) the REIT Share Value on the Conversion Date, as such terms are defined in the Partnership Agreement.

F2 · derivative.underlying: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F13 · derivative.underlying: Subject to the conditions set forth in the Eleventh Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership (the "Partnership Agreement"), each Class 2 Performance LTIP Unit may be converted, at the election of the holder, into a Class 2 LTIP Unit at any time (i) on or after when the Class 2 Performance LTIP Unit has vested and (ii) before the expiration date of the Class 2 Performance LTIP Unit.

F14 · derivative.underlying: Class 2 Performance LTIP Units convert to a number of Class 2 LTIP Units equal to (i) the applicable Performance LTIP Unit Value, which is calculated as the product of (x) the excess (if any) of the REIT Share Value over the Issue Price for the Class 2 Performance Unit and (y) the Conversion Factor, multiplied by (ii) the number of Class 2 Performance LTIP Units being converted, and divided by (iii) the REIT Share Value on the Conversion Date, as such terms are defined in the Partnership Agreement.

SEC source: 0001664272-24-000325 · f4_a1edp0000016rnnmam-live.xml · derivative · entry 5

ALCOCK HARRY G · CIK 0001229387 · SVP-Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 347,612

Underlying: Common Stock · 59,748 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units," which, together with the Class 2 Performance LTIP Units referenced in note 12 below, are referred to as the "LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · shares: The vesting of these LTIP Units is based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined on July 31, 2024.

F11 · shares: The vesting of these LTIP Units is based on the achievement of a pre-determined FFO as Adjusted goal over the applicable performance period.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.exercise_date: The vesting of these LTIP Units is based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F11 · derivative.exercise_date: The vesting of these LTIP Units is based on the achievement of a pre-determined FFO as Adjusted goal over the applicable performance period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-24-000325 · f4_a1edp0000016rnnmam-live.xml · derivative · entry 4

ALCOCK HARRY G · CIK 0001229387 · SVP-Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 407,360

Underlying: Common Stock · 13,926 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units," which, together with the Class 2 Performance LTIP Units referenced in note 12 below, are referred to as the "LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined on July 31, 2024.

F11 · shares: The vesting of these LTIP Units is based on the achievement of a pre-determined FFO as Adjusted goal over the applicable performance period.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F11 · derivative.exercise_date: The vesting of these LTIP Units is based on the achievement of a pre-determined FFO as Adjusted goal over the applicable performance period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-24-000325 · f4_a1edp0000016rnnmam-live.xml · derivative · entry 3

ALCOCK HARRY G · CIK 0001229387 · SVP-Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 421,286

Underlying: Common Stock · 29,470 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units," which, together with the Class 2 Performance LTIP Units referenced in note 12 below, are referred to as the "LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined on July 31, 2024.

F9 · shares: The vesting of these LTIP Units is determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics.

F10 · shares: The portion of these LTIP Units that vests based upon the achievement of pre-determined financial metrics is determined as follows: 40 percent based on a transactions index goal; 30 percent based on an FFO as Adjusted per share goal; 10 percent based on an operations index goal; 10 percent based on a GRESB percentile goal; and 10 percent based on an associate engagement & DEI goal, each over the applicable performance period.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F9 · derivative.exercise_date: The vesting of these LTIP Units is determined as follows: 30 percent shall be based upon the Committee's subjective determination, in its sole discretion, of the executive officer's performance with respect to individual performance objectives; and 70 percent shall be based on pre-determined financial metrics.

F10 · derivative.exercise_date: The portion of these LTIP Units that vests based upon the achievement of pre-determined financial metrics is determined as follows: 40 percent based on a transactions index goal; 30 percent based on an FFO as Adjusted per share goal; 10 percent based on an operations index goal; 10 percent based on a GRESB percentile goal; and 10 percent based on an associate engagement & DEI goal, each over the applicable performance period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-24-000325 · f4_a1edp0000016rnnmam-live.xml · derivative · entry 2

ALCOCK HARRY G · CIK 0001229387 · SVP-Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 450,756

Underlying: Common Stock · 11,114 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units," which, together with the Class 2 Performance LTIP Units referenced in note 12 below, are referred to as the "LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · shares: The vesting of these LTIP Units is based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined on July 31, 2024.

F11 · shares: The vesting of these LTIP Units is based on the achievement of a pre-determined FFO as Adjusted goal over the applicable performance period.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.exercise_date: The vesting of these LTIP Units is based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F11 · derivative.exercise_date: The vesting of these LTIP Units is based on the achievement of a pre-determined FFO as Adjusted goal over the applicable performance period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

SEC source: 0001664272-24-000325 · f4_a1edp0000016rnnmam-live.xml · derivative · entry 1

ALCOCK HARRY G · CIK 0001229387 · SVP-Chief Investment Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 461,870

Underlying: Common Stock · 31,466 shares

Expires not disclosed

F1 · security: Represents Class 2 LTIP Units (the "Class 2 LTIP Units," which, together with the Class 2 Performance LTIP Units referenced in note 12 below, are referred to as the "LTIP Units") in United Dominion Realty, L.P., a Delaware limited partnership (the "UDR Partnership"). UDR, Inc. (the "Company") is the parent company and sole general partner of the UDR Partnership.

F2 · derivative.exercise_price: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_price: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_price: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · shares: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · shares: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · shares: The vesting of these LTIP Units is based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined on July 31, 2024.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.exercise_date: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.exercise_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F5 · derivative.exercise_date: The LTIP Units vest only to the extent that pre-established performance metrics are met for the applicable performance period, subject to continuing employment. Except as otherwise set forth in the UDR, Inc. 1999 Long-Term Incentive Plan, as amended from time to time, except Section 14.9 thereof, the Partnership Agreement, or as determined by the Compensation Committee of the Company's Board of Directors (the "Committee"), in its sole discretion, vesting of the LTIP Units shall cease upon the date of termination for any reason other than in the event of a change of control of the Company, and no unvested LTIP Units shall thereafter become vested.

F6 · derivative.exercise_date: In the event of a change of control of the Company, the LTIP Units will vest only if the holder's employment or other service relationship with the Company is terminated by the Company without cause, or by the holder for good reason, in each case on or within 12 months following the date of a change of control. Further, all restrictions on outstanding awards that have been earned shall lapse upon the Company's termination of the holder's employment without cause or the holder's termination of employment for good reason.

F7 · derivative.exercise_date: The vesting of these LTIP Units is based on: a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period; a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period; and a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period.

F4 · derivative.expiration_date: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.

F2 · derivative.underlying: Subject to the conditions set forth in the Partnership Agreement and subject to any vesting conditions specified with respect to each Class 2 LTIP Unit, each Class 2 LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership of the UDR Partnership (a "Partnership Common Unit"), provided that such Class 2 LTIP Unit has been outstanding for at least two years from the date of grant.

F3 · derivative.underlying: A holder of Partnership Common Units has the right to require the UDR Partnership to redeem all or a portion of the Partnership Common Units held by the holder in exchange for a cash payment based on the market value of the Company's Common Stock at the time of redemption, as defined in the Partnership Agreement (the "Cash Amount"). However, the UDR Partnership's obligation to pay the Cash Amount is subject the prior right of the Company to acquire such Partnership Common Units in exchange for either the Cash Amount or shares of the Company's Common Stock.

F4 · derivative.underlying: The Company, as the general partner of the UDR Partnership, may, in its sole discretion, purchase the Partnership Common Units by paying the limited partner either the Cash Amount or the REIT Share Amount (generally one share of the Company's Common Stock for each Partnership Common Unit), as such terms are defined in the Partnership Agreement. The right to convert the Class 2 LTIP Units into Partnership Common Units and the right to receive the Cash Amount or the REIT Share Amount (in the Company's sole discretion) in exchange for Partnership Common Units do not have expiration dates.