TOOMEY THOMAS W

SEC source: 0001225208-18-012758 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,556,115

F2 · kind: Represents shares of Common Stock withheld to satisfy the reporting person's obligation to pay the exercise price and tax withholding obligation upon the exercise of the stock options. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001225208-18-012758 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,727,409

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.77 to $39.835, 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: 0001225208-18-012758 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,767,409

SEC source: 0001225208-18-012758 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,768,753

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

SEC source: 0001225208-19-002452 · doc5.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,458,753

SEC source: 0001225208-18-012194 · doc4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 840,672

Underlying: Common Stock · 840,000 shares

Expires 2019-02-12

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

SEC source: 0001225208-18-012194 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,468,753

F2 · kind: Represents shares of Common Stock withheld to satisfy the reporting person's obligation to pay the exercise price and tax withholding obligation upon the exercise of the stock options. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001225208-18-012194 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,952,471

F1 · balance_after: Reflects the disposition of 3,023 shares at $39.10 per share on November 1, 2017 in connection with exercise of stock options that was not previously reported.

SEC source: 0001225208-18-012194 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,956,367

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

SEC source: 0001225208-18-008528 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,119,390

SEC source: 0001225208-18-006806 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,149,390

SEC source: 0001225208-18-006397 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,162,390

SEC source: 0000074208-18-000027 · primary_doc.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,400

Underlying: Common Stock · 34,208 shares

Expires not disclosed

F10 · security: Represents Class 1 LTIP Units in the UDR Partnership. The Company is the parent company and sole general partner of the UDR Partnership.

F11 · 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, each Class 1 LTIP Unit may be converted, at the election of the holder, into 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 the Cash Amount. However, the UDR Partnership's obligation to pay the Cash Amount is subject to 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.

F13 · 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.

F11 · 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, each Class 1 LTIP Unit may be converted, at the election of the holder, into 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 the Cash Amount. However, the UDR Partnership's obligation to pay the Cash Amount is subject to 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: 0000074208-18-000027 · primary_doc.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 652,462

Underlying: Common Stock · 19,366 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, 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.

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 to 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 30% 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. The vesting of 10% of the Class 2 LTIP Units will be determined based on the achievement of pre-determined FFO as Adjusted goals over a three-year period, with that entire portion of the award vesting on the determination date.

F8 · shares: The vesting of 30% of the Class 2 LTIP Units will be determined based the Company's cumulative absolute 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. The vesting of 30% of the Class 2 LTIP Units will be determined based the Company's relative TSR as compared to the NAREIT Apartment Index 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 15, 2018.

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, 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.

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 to 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 30% 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. The vesting of 10% of the Class 2 LTIP Units will be determined based on the achievement of pre-determined FFO as Adjusted goals over a three-year period, with that entire portion of the award vesting on the determination date.

F8 · derivative.exercise_date: The vesting of 30% of the Class 2 LTIP Units will be determined based the Company's cumulative absolute 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. The vesting of 30% of the Class 2 LTIP Units will be determined based the Company's relative TSR as compared to the NAREIT Apartment Index 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 15, 2018.

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: 0000074208-18-000027 · primary_doc.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,182,390

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: 0000074208-18-000027 · primary_doc.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,235,418

SEC source: 0000074208-18-000013 · primary_doc.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 671,828

Underlying: Common Stock · 224,964 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: 35 percent shall be based on a goal measured by the Company's relative total shareholder return ("TSR") as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative Apartment Peer TSR Metric"); 30 percent shall be based on the achievement of a pre-determined FFO as Adjusted goal over a one-year period (the "1-Year FFO as Adjusted Metric"); 20 percent shall be determined based on a goal measured by the Company's relative TSR as compared to a REIT peer group over a three-year cumulative performance period (the "3-Year Relative REIT TSR Metric"); and 15 percent shall be based on a goal measured by the Company's relative FFO as Adjusted growth rate as compared to an apartment peer group over a three-year cumulative performance period (the "3-Year Relative FFO as Adjusted Metric").

F7 · shares: The portions of the Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative REIT TSR Metric and the 3-Year Relative FFO as Adjusted Metric will vest within 60 days of the conclusion of the performance period. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent within 60 days of the conclusion of the performance period, and 50 percent one year thereafter.

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

F7 · derivative.exercise_date: The portions of the Class 2 LTIP Units based upon the 3-Year Relative Apartment Peer TSR Metric, the 3-Year Relative REIT TSR Metric and the 3-Year Relative FFO as Adjusted Metric will vest within 60 days of the conclusion of the performance period. The portion of the Class 2 LTIP Units based upon the 1-Year FFO as Adjusted Metric will be measured and vest 50 percent within 60 days of the conclusion of the performance period, and 50 percent one year thereafter.

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: 0001225208-17-018756 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,127,925

SEC source: 0001225208-17-016836 · doc4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 187,751 shares

Expires 2018-02-07

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

SEC source: 0001225208-17-016836 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,147,925

F1 · kind: Represents shares of Common Stock withheld to satisfy the reporting person's obligation to pay the exercise price and tax withholding obligation upon the exercise of the stock options. The deemed disposition of the withheld shares is exempt pursuant to Rule 16b-3(e).

SEC source: 0001225208-17-016836 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,294,046

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

SEC source: 0001225208-17-014023 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,106,295

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.85 to $38.91, 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: 0001225208-18-002426 · doc5.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,123,295

SEC source: 0001225208-18-002426 · doc5.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,128,295

SEC source: 0001225208-17-010503 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,136,295

SEC source: 0001225208-18-002426 · doc5.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,158,295

SEC source: 0000074208-17-000027 · primary_doc.xml · nonDerivative · entry 3

TOOMEY THOMAS W · CIK 0001195697 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,174,295

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 3

TOOMEY THOMAS W · CIK 0001195697 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,174,295

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 · 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: 0000074208-17-000031 · 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: 0000074208-17-000012 · 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: 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: 0001225208-17-002733 · doc5.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,178,743

SEC source: 0001225208-17-002733 · doc5.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,188,743