UDR

SEC source: 0000074208-17-000026 · primary_doc.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,130

F3 · 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: 0000074208-17-000026 · primary_doc.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,805

F2 · shares: Subject to the reporting person's continued employment, the grant vests in equal installments over 3 years from the grant date.

SEC source: 0000074208-17-000026 · primary_doc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,226

F1 · kind: Subject to the reporting person's continued employment, one half of the award is vested upon the date of grant and one half vests one year from the date of grant.

SEC source: 0000074208-17-000026 · primary_doc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,246

SEC source: 0000074208-17-000025 · primary_doc.xml · derivative · entry 4

Davis Jerry A · CIK 0001419048 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,885

Underlying: Common Stock · 2,608 shares

Expires not disclosed

F3 · security: Represents 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.

F4 · derivative.exercise_price: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 7 and 8 below), 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.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 6 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP Units shall thereafter become vested.

F8 · shares: The vesting of one-third of the Class 2 LTIP Units is determined based on the achievement of pre-determined FFO as Adjusted goals over a one-year period, with 50% of the award vesting on the determination date and 50% on the first anniversary of the determination date, while the vesting of two-thirds of the Class 2 LTIP Units will be determined based on the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year performance period, with that entire portion of the award vesting on the determination date.

F9 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined for the applicable portion of the award on February 2, 2017.

F4 · derivative.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 7 and 8 below), 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.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 6 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP Units shall thereafter become vested.

F8 · derivative.exercise_date: The vesting of one-third of the Class 2 LTIP Units is determined based on the achievement of pre-determined FFO as Adjusted goals over a one-year period, with 50% of the award vesting on the determination date and 50% on the first anniversary of the determination date, while the vesting of two-thirds of the Class 2 LTIP Units will be determined based on the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year performance period, with that entire portion of the award vesting on the determination date.

F9 · derivative.exercise_date: Amount represents the portion of the award (including dividends) forfeited when performance results were determined for the applicable portion of the award on February 2, 2017.

F6 · 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 0000074208-17-000025 · primary_doc.xml · nonDerivative · entry 3

Davis Jerry A · CIK 0001419048 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 217,172

F2 · shares: Subject to the reporting person's continued employment, the grant vests in equal installments over 3 years from the grant date.

SEC source: 0000074208-17-000025 · primary_doc.xml · nonDerivative · entry 2

Davis Jerry A · CIK 0001419048 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 211,453

F1 · kind: Subject to the reporting person's continued employment, one half of the award is vested upon the date of grant and one half vests one year from the date of grant.

SEC source: 0000074208-17-000025 · primary_doc.xml · nonDerivative · entry 1

Davis Jerry A · CIK 0001419048 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,473

SEC source: 0000074208-17-000027 · primary_doc.xml · derivative · entry 5

TOOMEY THOMAS W · CIK 0001195697 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 504,056

Underlying: Common Stock · 57,192 shares

Expires not disclosed

F2 · security: Represents 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.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 5 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F9 · derivative.exercise_price: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions described in footnote 10 below, 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.

F10 · shares: Subject to the reporting person's continued employment, the grant vests in equal installments over 4 years from the grant date.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 5 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F9 · derivative.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions described in footnote 10 below, 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.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 0000074208-17-000027 · primary_doc.xml · derivative · entry 4

TOOMEY THOMAS W · CIK 0001195697 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 446,864

Underlying: Common Stock · 29,218 shares

Expires not disclosed

F2 · security: Represents 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 5 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP Units shall thereafter become vested.

F7 · shares: The vesting of one-third of the Class 2 LTIP Units is determined based on the achievement of pre-determined FFO as Adjusted goals over a one-year period, with 50% of the award vesting on the determination date and 50% on the first anniversary of the determination date, while the vesting of two-thirds of the Class 2 LTIP Units will be determined based on the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year performance period, with that entire portion of the award vesting on the determination date.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined for the applicable portion of the award on February 2, 2017.

F3 · derivative.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 5 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 · 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP Units shall thereafter become vested.

F7 · derivative.exercise_date: The vesting of one-third of the Class 2 LTIP Units is determined based on the achievement of pre-determined FFO as Adjusted goals over a one-year period, with 50% of the award vesting on the determination date and 50% on the first anniversary of the determination date, while the vesting of two-thirds of the Class 2 LTIP Units will be determined based on the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year performance period, with that entire portion of the award vesting on the determination date.

F8 · derivative.exercise_date: Amount represents the portion of the award (including dividends) forfeited when performance results were determined for the applicable portion of the award on February 2, 2017.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 0000074208-17-000027 · primary_doc.xml · nonDerivative · entry 2

TOOMEY THOMAS W · CIK 0001195697 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,189,750

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: 0000074208-17-000027 · primary_doc.xml · nonDerivative · entry 1

TOOMEY THOMAS W · CIK 0001195697 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,210,181

SEC source: 0000074208-17-000024 · primary_doc.xml · derivative · entry 6

Troupe Warren L · CIK 0001428536 · Senior Executive Vice Pres

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,349

Underlying: Common Stock · 4,592 shares

Expires not disclosed

F3 · security: Represents 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.

F4 · derivative.exercise_price: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 7 and 8 below), 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.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 6 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP Units shall thereafter become vested.

F8 · shares: The vesting of one-third of the Class 2 LTIP Units is determined based on the achievement of pre-determined FFO as Adjusted goals over a one-year period, with 50% of the award vesting on the determination date and 50% on the first anniversary of the determination date, while the vesting of two-thirds of the Class 2 LTIP Units will be determined based on the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year performance period, with that entire portion of the award vesting on the determination date.

F9 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined for the applicable portion of the award on February 2, 2017.

F4 · derivative.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 7 and 8 below), 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.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 6 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP Units shall thereafter become vested.

F8 · derivative.exercise_date: The vesting of one-third of the Class 2 LTIP Units is determined based on the achievement of pre-determined FFO as Adjusted goals over a one-year period, with 50% of the award vesting on the determination date and 50% on the first anniversary of the determination date, while the vesting of two-thirds of the Class 2 LTIP Units will be determined based on the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year performance period, with that entire portion of the award vesting on the determination date.

F9 · derivative.exercise_date: Amount represents the portion of the award (including dividends) forfeited when performance results were determined for the applicable portion of the award on February 2, 2017.

F6 · 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 0000074208-17-000024 · primary_doc.xml · nonDerivative · entry 4

Troupe Warren L · CIK 0001428536 · Senior Executive Vice Pres

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 551,818

F2 · 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: 0000074208-17-000024 · primary_doc.xml · nonDerivative · entry 3

Troupe Warren L · CIK 0001428536 · Senior Executive Vice Pres

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 559,274

F2 · 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: 0000074208-17-000024 · primary_doc.xml · nonDerivative · entry 2

Troupe Warren L · CIK 0001428536 · Senior Executive Vice Pres

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 560,895

F1 · kind: Subject to the reporting person's continued employment, one half of the award is vested upon the date of grant and one half vests one year from the date of grant.

SEC source: 0000074208-17-000024 · primary_doc.xml · nonDerivative · entry 1

Troupe Warren L · CIK 0001428536 · Senior Executive Vice Pres

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 554,454

SEC source: 0001225208-17-002454 · doc4.xml · nonDerivative · entry 2

Johnston Shawn G · CIK 0001585224 · VP-Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,349

F2 · 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: 0001225208-17-002454 · doc4.xml · nonDerivative · entry 1

Johnston Shawn G · CIK 0001585224 · VP-Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,785

F1 · kind: Subject to the reporting person's continued employment, the grant vests in equal installments over 3 years from the grant date.

SEC source: 0000074208-17-000031 · primary_doc.xml · derivative · entry 5

TOOMEY THOMAS W · CIK 0001195697 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,192

Underlying: Common Stock · 57,192 shares

Expires not disclosed

F11 · 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.

F9 · derivative.exercise_price: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions described in footnote 10 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.

F12 · 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 13 below.

F13 · 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F10 · shares: Subject to the reporting person's continued employment, the grant vests in equal installments over 4 years from the grant date.

F9 · derivative.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions described in footnote 10 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.

F12 · 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 13 below.

F13 · 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F13 · 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

SEC source: 0000074208-17-000031 · primary_doc.xml · derivative · entry 4

TOOMEY THOMAS W · CIK 0001195697 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 446,864

Underlying: Common Stock · 29,218 shares

Expires not disclosed

F2 · security: Represents 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 5 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP Units shall thereafter become vested.

F7 · shares: The vesting of one-third of the Class 2 LTIP Units is determined based on the achievement of pre-determined FFO as Adjusted goals over a one-year period, with 50% of the award vesting on the determination date and 50% on the first anniversary of the determination date, while the vesting of two-thirds of the Class 2 LTIP Units will be determined based on the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year performance period, with that entire portion of the award vesting on the determination date.

F8 · shares: Amount represents the portion of the award (including dividends) forfeited when performance results were determined for the applicable portion of the award on February 2, 2017.

F3 · derivative.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 5 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 · 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP Units shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP Units shall thereafter become vested.

F7 · derivative.exercise_date: The vesting of one-third of the Class 2 LTIP Units is determined based on the achievement of pre-determined FFO as Adjusted goals over a one-year period, with 50% of the award vesting on the determination date and 50% on the first anniversary of the determination date, while the vesting of two-thirds of the Class 2 LTIP Units will be determined based on the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year performance period, with that entire portion of the award vesting on the determination date.

F8 · derivative.exercise_date: Amount represents the portion of the award (including dividends) forfeited when performance results were determined for the applicable portion of the award on February 2, 2017.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 0000074208-17-000031 · primary_doc.xml · nonDerivative · entry 2

TOOMEY THOMAS W · CIK 0001195697 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,189,750

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: 0000074208-17-000031 · primary_doc.xml · nonDerivative · entry 1

TOOMEY THOMAS W · CIK 0001195697 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,210,181

SEC source: 0000074208-17-000015 · primary_doc.xml · derivative · entry 1

ALCOCK HARRY G · CIK 0001229387 · SVP-Asset Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,493

Underlying: Common Stock · 86,648 shares

Expires not disclosed

F1 · security: Represents 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 5, 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP units shall thereafter become vested.

F6 · shares: The vesting of the Class 2 LTIP Units shall be determined as follows: 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"); 10 percent shall be based on the achievement of pre-determined FFO as Adjusted goal over a three-year period (the "3-Year FFO as Adjusted Metric"); 30 percent shall be determined 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 performance period (the "Relative TSR Metric"); and 30 percent shall be based on a goal measured by the Company's absolute TSR over a three-year performance period (the "Absolute TSR Metric").

F7 · shares: The portions of the Class 2 LTIP Units based upon the Relative TSR Metric, the Absolute TSR Metric and the 3-Year FFO as Adjusted Metric will vest on the determination date with respect to those metrics. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent on the determination date with respect to that metric, and 50 percent on the one year anniversary of that determination date.

F8 · shares: Amount represents the maximum award (including dividends) that could be earned under the plan, which is subject to forfeiture when the performance results are determined.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 5, 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP units shall thereafter become vested.

F6 · derivative.exercise_date: The vesting of the Class 2 LTIP Units shall be determined as follows: 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"); 10 percent shall be based on the achievement of pre-determined FFO as Adjusted goal over a three-year period (the "3-Year FFO as Adjusted Metric"); 30 percent shall be determined 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 performance period (the "Relative TSR Metric"); and 30 percent shall be based on a goal measured by the Company's absolute TSR over a three-year performance period (the "Absolute TSR Metric").

F7 · derivative.exercise_date: The portions of the Class 2 LTIP Units based upon the Relative TSR Metric, the Absolute TSR Metric and the 3-Year FFO as Adjusted Metric will vest on the determination date with respect to those metrics. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent on the determination date with respect to that metric, and 50 percent on the one year anniversary of that determination date.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 0000074208-17-000008 · primary_doc.xml · derivative · entry 1

KLINGBEIL JAMES D · CIK 0001195692 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,255

Underlying: Common Stock · 9,736 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F4 · shares: 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 1, 2017.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

SEC source: 0000074208-17-000017 · primary_doc.xml · derivative · entry 1

Fisher Joseph D · CIK 0001691531 · SVP-Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,330

Underlying: Common Stock · 17,330 shares

Expires not disclosed

F1 · security: Represents 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 5, 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP units shall thereafter become vested.

F6 · shares: The vesting of the Class 2 LTIP Units shall be determined as follows: 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"); 10 percent shall be based on the achievement of pre-determined FFO as Adjusted goal over a three-year period (the "3-Year FFO as Adjusted Metric"); 30 percent shall be determined 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 performance period (the "Relative TSR Metric"); and 30 percent shall be based on a goal measured by the Company's absolute TSR over a three-year performance period (the "Absolute TSR Metric").

F7 · shares: The portions of the Class 2 LTIP Units based upon the Relative TSR Metric, the Absolute TSR Metric and the 3-Year FFO as Adjusted Metric will vest on the determination date with respect to those metrics. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent on the determination date with respect to that metric, and 50 percent on the one year anniversary of that determination date.

F8 · shares: Amount represents the maximum award (including dividends) that could be earned under the plan, which is subject to forfeiture when the performance results are determined.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 5, 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP units shall thereafter become vested.

F6 · derivative.exercise_date: The vesting of the Class 2 LTIP Units shall be determined as follows: 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"); 10 percent shall be based on the achievement of pre-determined FFO as Adjusted goal over a three-year period (the "3-Year FFO as Adjusted Metric"); 30 percent shall be determined 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 performance period (the "Relative TSR Metric"); and 30 percent shall be based on a goal measured by the Company's absolute TSR over a three-year performance period (the "Absolute TSR Metric").

F7 · derivative.exercise_date: The portions of the Class 2 LTIP Units based upon the Relative TSR Metric, the Absolute TSR Metric and the 3-Year FFO as Adjusted Metric will vest on the determination date with respect to those metrics. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent on the determination date with respect to that metric, and 50 percent on the one year anniversary of that determination date.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 0001225208-17-000810 · doc4.xml · nonDerivative · entry 4

Johnston Shawn G · CIK 0001585224 · VP-Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,266

F2 · 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: 0001225208-17-000810 · doc4.xml · nonDerivative · entry 3

Johnston Shawn G · CIK 0001585224 · VP-Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,669

F2 · 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: 0001225208-17-000810 · doc4.xml · nonDerivative · entry 2

Johnston Shawn G · CIK 0001585224 · VP-Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,035

F2 · 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: 0001225208-17-000810 · doc4.xml · nonDerivative · entry 1

Johnston Shawn G · CIK 0001585224 · VP-Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,386

F1 · shares: Subject to the reporting person's continued employment, the grant vests in equal installments over 4 years from the grant date.

SEC source: 0000074208-17-000010 · primary_doc.xml · derivative · entry 1

MCNAMARA ROBERT A · CIK 0001194760 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,426

Underlying: Common Stock · 3,755 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F4 · shares: 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 1, 2017.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

SEC source: 0001225208-17-000809 · doc4.xml · nonDerivative · entry 2

Fisher Joseph D · CIK 0001691531 · SVP-CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,379

F2 · shares: The grant is fully vested on the grant date.

SEC source: 0001225208-17-000809 · doc4.xml · nonDerivative · entry 1

Fisher Joseph D · CIK 0001691531 · SVP-CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,816

F1 · shares: Subject to the reporting person's continued employment, the grant vests in equal installments over 4 years from the grant date.

SEC source: 0000074208-17-000016 · primary_doc.xml · derivative · entry 1

Davis Jerry A · CIK 0001419048 · SVP-Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,493

Underlying: Common Stock · 86,648 shares

Expires not disclosed

F1 · security: Represents 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 5, 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP units shall thereafter become vested.

F6 · shares: The vesting of the Class 2 LTIP Units shall be determined as follows: 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"); 10 percent shall be based on the achievement of pre-determined FFO as Adjusted goal over a three-year period (the "3-Year FFO as Adjusted Metric"); 30 percent shall be determined 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 performance period (the "Relative TSR Metric"); and 30 percent shall be based on a goal measured by the Company's absolute TSR over a three-year performance period (the "Absolute TSR Metric").

F7 · shares: The portions of the Class 2 LTIP Units based upon the Relative TSR Metric, the Absolute TSR Metric and the 3-Year FFO as Adjusted Metric will vest on the determination date with respect to those metrics. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent on the determination date with respect to that metric, and 50 percent on the one year anniversary of that determination date.

F8 · shares: Amount represents the maximum award (including dividends) that could be earned under the plan, which is subject to forfeiture when the performance results are determined.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 5, 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP units shall thereafter become vested.

F6 · derivative.exercise_date: The vesting of the Class 2 LTIP Units shall be determined as follows: 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"); 10 percent shall be based on the achievement of pre-determined FFO as Adjusted goal over a three-year period (the "3-Year FFO as Adjusted Metric"); 30 percent shall be determined 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 performance period (the "Relative TSR Metric"); and 30 percent shall be based on a goal measured by the Company's absolute TSR over a three-year performance period (the "Absolute TSR Metric").

F7 · derivative.exercise_date: The portions of the Class 2 LTIP Units based upon the Relative TSR Metric, the Absolute TSR Metric and the 3-Year FFO as Adjusted Metric will vest on the determination date with respect to those metrics. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent on the determination date with respect to that metric, and 50 percent on the one year anniversary of that determination date.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 0000074208-17-000014 · primary_doc.xml · derivative · entry 2

Troupe Warren L · CIK 0001428536 · Senior Executive Vice Presiden

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,938

Underlying: Common Stock · 76,250 shares

Expires not disclosed

F2 · security: Represents 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 5, 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP units shall thereafter become vested.

F7 · shares: The vesting of the Class 2 LTIP Units shall be determined as follows: 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"); 10 percent shall be based on the achievement of pre-determined FFO as Adjusted goal over a three-year period (the "3-Year FFO as Adjusted Metric"); 30 percent shall be determined 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 performance period (the "Relative TSR Metric"); and 30 percent shall be based on a goal measured by the Company's absolute TSR over a three-year performance period (the "Absolute TSR Metric").

F8 · shares: The portions of the Class 2 LTIP Units based upon the Relative TSR Metric, the Absolute TSR Metric and the 3-Year FFO as Adjusted Metric will vest on the determination date with respect to those metrics. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent on the determination date with respect to that metric, and 50 percent on the one year anniversary of that determination date.

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

F3 · derivative.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 5, 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 · 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP units shall thereafter become vested.

F7 · derivative.exercise_date: The vesting of the Class 2 LTIP Units shall be determined as follows: 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"); 10 percent shall be based on the achievement of pre-determined FFO as Adjusted goal over a three-year period (the "3-Year FFO as Adjusted Metric"); 30 percent shall be determined 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 performance period (the "Relative TSR Metric"); and 30 percent shall be based on a goal measured by the Company's absolute TSR over a three-year performance period (the "Absolute TSR Metric").

F8 · derivative.exercise_date: The portions of the Class 2 LTIP Units based upon the Relative TSR Metric, the Absolute TSR Metric and the 3-Year FFO as Adjusted Metric will vest on the determination date with respect to those metrics. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent on the determination date with respect to that metric, and 50 percent on the one year anniversary of that determination date.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 0000074208-17-000014 · primary_doc.xml · nonDerivative · entry 1

Troupe Warren L · CIK 0001428536 · Senior Executive Vice Presiden

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 538,422

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.00 to $36.69, inclusive. The reporting person undertakes to provide to UDR, Inc., any security holder of UDR, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001225208-17-000796 · doc4.xml · nonDerivative · entry 1

SAGALYN LYNNE B · CIK 0001195695 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,649

SEC source: 0000074208-17-000013 · primary_doc.xml · derivative · entry 1

Patterson Mark R · CIK 0001500081 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,426

Underlying: Common Stock · 3,755 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F4 · shares: 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 1, 2017.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

SEC source: 0000074208-17-000012 · primary_doc.xml · derivative · entry 1

TOOMEY THOMAS W · CIK 0001195697 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 476,082

Underlying: Common Stock · 242,614 shares

Expires not disclosed

F1 · security: Represents 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 5, 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP units shall thereafter become vested.

F6 · shares: The vesting of the Class 2 LTIP Units shall be determined as follows: 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"); 10 percent shall be based on the achievement of pre-determined FFO as Adjusted goal over a three-year period (the "3-Year FFO as Adjusted Metric"); 30 percent shall be determined 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 performance period (the "Relative TSR Metric"); and 30 percent shall be based on a goal measured by the Company's absolute TSR over a three-year performance period (the "Absolute TSR Metric").

F7 · shares: The portions of the Class 2 LTIP Units based upon the Relative TSR Metric, the Absolute TSR Metric and the 3-Year FFO as Adjusted Metric will vest on the determination date with respect to those metrics. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent on the determination date with respect to that metric, and 50 percent on the one year anniversary of that determination date.

F8 · shares: Amount represents the maximum award (including dividends) that could be earned under the plan, which is subject to forfeiture when the performance results are determined.

F2 · derivative.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership and subject to the vesting conditions specified with respect to each Class 2 LTIP Unit (as described in footnotes 5, 6 and 7 below), 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership, or as determined by the Committee, in its sole discretion, vesting of the Class 2 LTIP shall cease upon the date of termination for any reason, and no unvested Class 2 LTIP units shall thereafter become vested.

F6 · derivative.exercise_date: The vesting of the Class 2 LTIP Units shall be determined as follows: 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"); 10 percent shall be based on the achievement of pre-determined FFO as Adjusted goal over a three-year period (the "3-Year FFO as Adjusted Metric"); 30 percent shall be determined 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 performance period (the "Relative TSR Metric"); and 30 percent shall be based on a goal measured by the Company's absolute TSR over a three-year performance period (the "Absolute TSR Metric").

F7 · derivative.exercise_date: The portions of the Class 2 LTIP Units based upon the Relative TSR Metric, the Absolute TSR Metric and the 3-Year FFO as Adjusted Metric will vest on the determination date with respect to those metrics. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent on the determination date with respect to that metric, and 50 percent on the one year anniversary of that determination date.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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: 0000074208-17-000011 · primary_doc.xml · derivative · entry 1

SAGALYN LYNNE B · CIK 0001195695 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,502

Underlying: Common Stock · 2,782 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F4 · shares: 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 1, 2017.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

SEC source: 0000074208-17-000009 · primary_doc.xml · derivative · entry 1

McDonnough Clinton D · CIK 0001663049 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,084

Underlying: Common Stock · 3,755 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F4 · shares: 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 1, 2017.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

SEC source: 0000074208-17-000007 · primary_doc.xml · derivative · entry 1

King Mary Ann · CIK 0001648077 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,828

Underlying: Common Stock · 5,981 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F4 · shares: 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 1, 2017.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

SEC source: 0000074208-17-000006 · primary_doc.xml · derivative · entry 1

GROVE JON A · CIK 0001195691 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,653

Underlying: Common Stock · 6,398 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F4 · shares: 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 1, 2017.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

SEC source: 0000074208-17-000005 · primary_doc.xml · derivative · entry 1

FREEMAN ROBERT P · CIK 0001073158 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,653

Underlying: Common Stock · 6,398 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F4 · shares: 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 1, 2017.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

SEC source: 0000074208-17-000004 · primary_doc.xml · derivative · entry 1

CATTANACH KATHERINE A · CIK 0001359435 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,652

Underlying: Common Stock · 5,981 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 Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

F4 · shares: 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.exercise_date: Subject to the conditions set forth in the Ninth Amendment to the Amended and Restated Agreement of Limited Partnership of the UDR Partnership 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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership (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, as described in footnote 4 below.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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 1, 2017.

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 Amended and Restated Agreement of Limited Partnership of the UDR Partnership. 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.

SEC source: 0001225208-17-002731 · doc5.xml · nonDerivative · entry 1

CATTANACH KATHERINE A · CIK 0001359435 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,836

F1 · shares: Shares acquired through Dividend Reinvestment.

SEC source: 0001225208-17-000457 · doc4.xml · nonDerivative · entry 1

Davis Jerry A · CIK 0001419048 · Senior Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 184,441

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: 0001225208-17-000458 · doc4.xml · nonDerivative · entry 1

ALCOCK HARRY G · CIK 0001229387 · SVP-Asset Management

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,214

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: 0001225208-17-000455 · doc4.xml · nonDerivative · entry 1

TOOMEY THOMAS W · CIK 0001195697 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,166,458

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: 0001225208-17-000456 · doc4.xml · nonDerivative · entry 1

Troupe Warren L · CIK 0001428536 · Senior Exec VP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 553,422

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).