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The number of Class A Common Stock Units was calculated by dividing (1) the product of the number of Class A Common Stock Units owned by the Reporting Person and the $0.62 per share dollar amount of the Class A Common Stock dividend paid by the Company on April 15, 2020 by (2) the closing price of the Company's Class A Common Stock on April 15, 2020."}],"balance_after":71347,"source":{"system":"sec-edgar","filing":"0001209191-20-024982","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1061630/000120919120024982/doc4.xml","form_type":"4"}},{"id":3189549,"issuer":{"id":4404,"kind":"organization","name":"BLACKSTONE MORTGAGE TRUST, INC."},"owners":[{"id":30153,"kind":"person","name":"SAGALYN LYNNE B","position":1,"cik":"0001195695","reported_name":"SAGALYN LYNNE B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-04-02T01:08:46.000Z","date":"2020-03-31","kind":"grant","acquired":true,"shares":736,"price":33.96,"value":24994.56,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents an award of Class A Common Stock Units in lieu of retainer and meeting fees that convert to shares of Class A Common Stock on a one-for-one basis as determined at the time of the grant. 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The number of Class A Common Stock Units was calculated by dividing (1) the product of the number of Class A Common Stock Units owned by the Reporting Person and the $0.62 per share dollar amount of the Class A Common Stock dividend paid by the Company on January 15, 2020 by (2) the closing price of the Company's Class A Common Stock on January 15, 2020."}],"balance_after":68652,"source":{"system":"sec-edgar","filing":"0001209191-20-004102","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1061630/000120919120004102/doc4.xml","form_type":"4"}},{"id":3327652,"issuer":{"id":4404,"kind":"organization","name":"BLACKSTONE MORTGAGE TRUST, INC."},"owners":[{"id":30153,"kind":"person","name":"SAGALYN LYNNE B","position":1,"cik":"0001195695","reported_name":"SAGALYN LYNNE B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2020-01-03T01:42:04.000Z","date":"2019-12-31","kind":"grant","acquired":true,"shares":687,"price":36.39,"value":24999.93,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents an award of Class A Common Stock Units in lieu of retainer and meeting fees that convert to shares of Class A Common Stock on a one-for-one basis as determined at the time of the grant. 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The number of Class A Common Stock Units was calculated by dividing (1) the product of the number of Class A Common Stock Units owned by the Reporting Person and the $0.62 per share dollar amount of the Class A Common Stock dividend paid by the Company on July 15, 2019 by (2) the closing price of the Company's Class A Common Stock on July 15, 2019."}],"balance_after":65035,"source":{"system":"sec-edgar","filing":"0001209191-19-042281","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1061630/000120919119042281/doc4.xml","form_type":"4"}},{"id":3472080,"issuer":{"id":4404,"kind":"organization","name":"BLACKSTONE MORTGAGE TRUST, INC."},"owners":[{"id":30153,"kind":"person","name":"SAGALYN LYNNE B","position":1,"cik":"0001195695","reported_name":"SAGALYN LYNNE B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2019-07-03T00:15:10.000Z","date":"2019-06-28","kind":"grant","acquired":true,"shares":703,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents an award of Class A Common Stock Units in lieu of retainer and meeting fees that convert to shares of Class A Common Stock on a one-for-one basis as determined at the time of the grant. 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The number of Class A Common Stock Units was calculated by dividing (1) the product of the number of Class A Common Stock Units owned by the Reporting Person and the $0.62 per share dollar amount of the Class A Common Stock dividend paid by the Company on April 15, 2019 by (2) the closing price of the Company's Class A Common Stock on April 15, 2019."}],"balance_after":63244,"source":{"system":"sec-edgar","filing":"0001209191-19-024847","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1061630/000120919119024847/doc4.xml","form_type":"4"}},{"id":3572685,"issuer":{"id":4404,"kind":"organization","name":"BLACKSTONE MORTGAGE TRUST, INC."},"owners":[{"id":30153,"kind":"person","name":"SAGALYN LYNNE B","position":1,"cik":"0001195695","reported_name":"SAGALYN LYNNE B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2019-04-02T00:08:18.000Z","date":"2019-03-29","kind":"grant","acquired":true,"shares":737,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents an award of Class A Common Stock Units in lieu of retainer and meeting fees that convert to shares of Class A Common Stock on a one-for-one basis as determined at the time of the grant. 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These shares were sold in multiple transactions at prices ranging from $44.9748 to $44.98, 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."}],"balance_after":77887,"source":{"system":"sec-edgar","filing":"0001225208-19-003537","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/74208/000122520819003537/doc4.xml","form_type":"4"}},{"id":3637708,"issuer":{"id":3401,"kind":"organization","name":"UDR, Inc."},"owners":[{"id":30153,"kind":"person","name":"SAGALYN LYNNE B","position":1,"cik":"0001195695","reported_name":"SAGALYN LYNNE B","relationship":{"director":true}}],"security":"Common Stock","published_at":"2019-02-25T22:20:19.000Z","date":"2019-02-22","kind":"sale","acquired":false,"shares":324,"price":44.9053,"value":14549.3172,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.905 to $44.91, 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."}],"balance_after":81852,"source":{"system":"sec-edgar","filing":"0001225208-19-003537","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/74208/000122520819003537/doc4.xml","form_type":"4"}},{"id":3694778,"issuer":{"id":4404,"kind":"organization","name":"BLACKSTONE MORTGAGE TRUST, INC."},"owners":[{"id":30153,"kind":"person","name":"SAGALYN LYNNE B","position":1,"cik":"0001195695","reported_name":"SAGALYN LYNNE B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2019-01-16T23:40:25.000Z","date":"2019-01-15","kind":"grant","acquired":true,"shares":1112,"price":33.15,"value":36862.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Class A Common Stock Units in lieu of dividends payable on Class A Common Stock Units owned by the Reporting Person, which convert to shares of Class A Common Stock on a one-for-one basis. 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UDR, Inc. (the \"Company\") is the parent company and sole general partner of the UDR Partnership."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Subject to the conditions set forth in the Tenth 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."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"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."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"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."},{"field":"shares","element":"transactionShares","label":"F4","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Subject to the conditions set forth in the Tenth 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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"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.  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UDR, Inc. 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UDR, Inc. 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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."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"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."},{"field":"shares","element":"transactionShares","label":"F4","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"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.  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