{"transactions":[{"id":1472140,"issuer":{"id":77428,"kind":"organization","name":"Unity Biotechnology, Inc.","symbol":"UBX"},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2024-06-21T16:30:03.000Z","date":"2024-06-21","kind":"grant","planned":false,"acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The underlying shares subject to the option vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of (i) the one-year anniversary measured from June 21, 2024 or (ii) the date of the 2025 Annual Meeting of the Issuer's stockholders, assuming continuous service as a Director until such vesting date."}],"balance_after":10000,"derivative":{"exercise_price":1.38,"expiration_date":"2034-06-20","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0000950170-24-076284","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000095017024076284/ownership.xml","form_type":"4"}},{"id":1844268,"issuer":{"id":77428,"kind":"organization","name":"Unity Biotechnology, Inc.","symbol":"UBX"},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2023-06-26T17:06:28.000Z","date":"2023-06-23","kind":"grant","planned":false,"acquired":true,"shares":6000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The underlying shares subject to the option vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of (i) the one-year anniversary measured from June 23, 2023 or (ii) the date of the 2024 Annual Meeting of the Issuer's stockholders, assuming continuous service as a Director until such vesting date."}],"balance_after":6000,"derivative":{"exercise_price":3.25,"expiration_date":"2033-06-22","underlying":"Common Stock","underlying_shares":6000},"source":{"system":"sec-edgar","filing":"0000899243-23-016499","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000089924323016499/doc4.xml","form_type":"4"}},{"id":2201807,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-07-26T17:00:11.000Z","date":"2022-07-25","kind":"sale","acquired":false,"shares":2020,"price":2.2174,"value":4479.148,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person and represents shares sold to cover tax withholding obligations in connection with the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.14 to $2.25, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 2,500 shares acquired under the Assembly Biosciences, Inc. Amended and Restated 2018 Employee Stock Purchase Plan on May 13, 2022."}],"balance_after":77228,"source":{"system":"sec-edgar","filing":"0001209191-22-043216","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000120919122043216/doc4.xml","form_type":"4"}},{"id":2221258,"issuer":{"id":77428,"kind":"organization","name":"Unity Biotechnology, Inc.","symbol":"UBX"},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option\n(Right to Buy)","published_at":"2022-06-27T17:40:05.000Z","date":"2022-06-24","kind":"grant","acquired":true,"shares":2055,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The underlying shares subject to the option vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of (i) the one-year anniversary measured from June 24, 2022 or (ii) the date of the 2023 Annual Meeting of the Issuer's stockholders, assuming continuous service as a Director until such vesting date."}],"balance_after":2055,"derivative":{"exercise_price":0.59,"expiration_date":"2032-06-23","underlying":"Common Stock","underlying_shares":2055},"source":{"system":"sec-edgar","filing":"0000899243-22-024212","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000089924322024212/doc4.xml","form_type":"4"}},{"id":2255351,"issuer":{"id":77428,"kind":"organization","name":"Unity Biotechnology, Inc.","symbol":"UBX"},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2022-05-26T17:19:25.000Z","date":"2022-05-25","kind":"grant","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares subject to the stock option vest and become exercisable in successive, equal monthly installments over a 36-month period commencing on May 25, 2022 (the \"Vesting Commencement Date\"), so that 100% of the shares become fully vested and exercisable on the third anniversary of the Vesting Commencement Date, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date."}],"balance_after":50000,"derivative":{"exercise_price":0.76,"expiration_date":"2032-05-24","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0000899243-22-019773","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000089924322019773/doc4.xml","form_type":"4"}},{"id":2313009,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Performance-based Restricted Stock Units","published_at":"2022-03-31T16:52:14.000Z","date":"2022-03-29","kind":"grant","acquired":true,"shares":26250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Each performance-based restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's common stock. The shares are earned if either of two trading price metrics are met (each a \"Stock Metric\") either on or before the second or on or before the fourth anniversary of the grant date, as applicable. If a Stock Metric is met on or before the first anniversary of the grant date, then 50% of the RSUs vest on the first anniversary of the grant date and the remainder will vest on the second anniversary of the grant date. If a Stock Metric is achieved after the first anniversary of the grant date and on or before the fourth anniversary of the grant date, then 50% of the RSUs vest on the date that the Stock Metric is achieved and the remaining 50% of the RSUs vest on the first anniversary of the initial vesting date. Special vesting provisions apply in the case of a change in control transaction."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each performance-based restricted stock unit (\"RSU\") represents a contingent right to receive one share of the Issuer's common stock. The shares are earned if either of two trading price metrics are met (each a \"Stock Metric\") either on or before the second or on or before the fourth anniversary of the grant date, as applicable. If a Stock Metric is met on or before the first anniversary of the grant date, then 50% of the RSUs vest on the first anniversary of the grant date and the remainder will vest on the second anniversary of the grant date. If a Stock Metric is achieved after the first anniversary of the grant date and on or before the fourth anniversary of the grant date, then 50% of the RSUs vest on the date that the Stock Metric is achieved and the remaining 50% of the RSUs vest on the first anniversary of the initial vesting date. Special vesting provisions apply in the case of a change in control transaction."}],"balance_after":26250,"derivative":{"expiration_date":"2027-03-29","underlying":"Common Stock","underlying_shares":26250},"source":{"system":"sec-edgar","filing":"0001209191-22-021781","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000120919122021781/doc4.xml","form_type":"4"}},{"id":2313008,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (right to buy)","published_at":"2022-03-31T16:52:14.000Z","date":"2022-03-29","kind":"grant","acquired":true,"shares":105000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% vest on the first anniversary of the date of grant, March 29, 2023; and the remaining 75% vest in 36 approximately equal monthly installments, with the options becoming fully vested on March 29, 2026."}],"balance_after":105000,"derivative":{"exercise_price":2.3,"expiration_date":"2032-03-29","underlying":"Common Stock","underlying_shares":105000},"source":{"system":"sec-edgar","filing":"0001209191-22-021781","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000120919122021781/doc4.xml","form_type":"4"}},{"id":2313007,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-03-31T16:52:14.000Z","date":"2022-03-30","kind":"sale","acquired":false,"shares":2285,"price":2.1674,"value":4952.509,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person and represents shares sold to cover tax withholding obligations in connection with the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.10 to $2.25, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within."}],"balance_after":76748,"source":{"system":"sec-edgar","filing":"0001209191-22-021781","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000120919122021781/doc4.xml","form_type":"4"}},{"id":2313006,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-03-31T16:52:14.000Z","date":"2022-03-29","kind":"grant","acquired":true,"shares":26250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of restricted stock units. The restricted stock units vest in four equal installments, assuming continuous service on each vesting date, as follows: March 29, 2023; March 29, 2024; March 29, 2025; and March 29, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 1,000 shares acquired under the Assembly Biosciences, Inc. 2018 Employee Stock Purchase Plan on November 14, 2021."}],"balance_after":79033,"source":{"system":"sec-edgar","filing":"0001209191-22-021781","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000120919122021781/doc4.xml","form_type":"4"}},{"id":2627226,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Fin. & Bus. Ops, PFO, PAO"}}],"security":"Common Stock","published_at":"2021-07-22T17:52:42.000Z","date":"2021-07-22","kind":"grant","acquired":true,"shares":10938,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of restricted stock units. The restricted stock units vest in two equal installments, assuming continuous service on each vesting date, as follows: July 22, 2022 and July 22, 2023."}],"balance_after":51783,"source":{"system":"sec-edgar","filing":"0001209191-21-047818","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000120919121047818/doc4.xml","form_type":"4"}},{"id":3403241,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Finance and Bus. Ops, PAO"}}],"security":"Stock Option (right to buy)","published_at":"2019-10-01T18:32:36.000Z","date":"2019-10-01","kind":"grant","acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% shall vest on the first anniversary of the date of grant, October 1, 2020; and the remaining 75% shall vest in 36 approximately equal monthly installments, with the options becoming fully vested on October 1, 2023."}],"balance_after":5000,"derivative":{"exercise_price":9.31,"expiration_date":"2029-10-01","underlying":"Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001209191-19-051378","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000120919119051378/doc4.xml","form_type":"4"}},{"id":3403240,"issuer":{"id":5216,"kind":"organization","name":"ASSEMBLY BIOSCIENCES, INC."},"owners":[{"id":89653,"kind":"person","name":"Samar Michael P.","position":1,"cik":"0001775910","reported_name":"Samar Michael P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Finance and Bus. Ops, PAO"}}],"security":"Common Stock","published_at":"2019-10-01T18:32:36.000Z","date":"2019-10-01","kind":"grant","acquired":true,"shares":2500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of restricted stock units. The restricted stock units vest in four equal installments, assuming continuous service on each vesting date, as follows: October 1, 2020; October 1, 2021; October 1, 2022; and October 1, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 827 shares acquired under the Assembly Biosciences, Inc. 2018 Employee Stock Purchase Plan on May 14, 2019."}],"balance_after":20327,"source":{"system":"sec-edgar","filing":"0001209191-19-051378","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1775910/000120919119051378/doc4.xml","form_type":"4"}}]}