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In exchange, the Reporting Person received a grant of 5,291 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (with the number of shares vesting on each vesting date will be rounded down to the nearest whole share, except with respect to the vesting dates on which all remaining unvested shares shall vest), provided the Reporting Person continues to serve as a director of or other service provider to the Issuer on each such vesting date."}],"balance_after":5291,"derivative":{"exercise_price":11.44,"expiration_date":"2034-03-11","underlying":"Common Stock","underlying_shares":5291},"source":{"system":"sec-edgar","filing":"0001104659-24-034035","document":"tm248737-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1755098/000110465924034035/tm248737-2_4seq1.xml","form_type":"4"}},{"id":1578779,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2024-03-13T22:10:23.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":5291,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 11, 2024, the Issuer cancelled, pursuant to the Issuer's option exchange program, certain eligible unexercised options with an exercise price greater than $15.00 granted to the Reporting Person. In exchange, the Reporting Person received a grant of 5,291 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (with the number of shares vesting on each vesting date will be rounded down to the nearest whole share, except with respect to the vesting dates on which all remaining unvested shares shall vest), provided the Reporting Person continues to serve as a director of or other service provider to the Issuer on each such vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The canceled stock option was granted on November 15, 2021 and provided for vesting in twelve equal month installments beginning on the on the last day of each month over a period from November 2021 to October 2022."}],"balance_after":0,"derivative":{"exercise_price":37.32,"expiration_date":"2031-11-15","underlying":"Common Stock","underlying_shares":5291},"source":{"system":"sec-edgar","filing":"0001104659-24-034035","document":"tm248737-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1755098/000110465924034035/tm248737-2_4seq1.xml","form_type":"4"}},{"id":1639459,"issuer":{"id":4989,"kind":"organization","name":"GERON CORP"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, CHIEF FINANCIAL OFFICER"}}],"security":"Employee Stock Option (Right to Buy)","published_at":"2024-02-16T21:08:29.000Z","date":"2024-02-14","kind":"grant","planned":false,"acquired":true,"shares":850000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This option vests in a series of 48 consecutive equal monthly installments commencing February 14, 2024, provided the optionee continues to provide service to the Company."}],"balance_after":850000,"derivative":{"exercise_price":2.1,"expiration_date":"2034-02-13","underlying":"Common Stock","underlying_shares":850000},"source":{"system":"sec-edgar","filing":"0001415889-24-004096","document":"form4-02162024_090217.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/886744/000141588924004096/form4-02162024_090217.xml","form_type":"4"}},{"id":1772860,"issuer":{"id":4989,"kind":"organization","name":"GERON CORP"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Financial Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-09-27T23:31:33.000Z","date":"2023-09-25","kind":"grant","planned":false,"acquired":true,"shares":1350000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This option vests as follows:168,750 shares on March 25, 2024, the remaining 1,181,250 shares in a series of 42 equal monthly installments commencing March 25, 2024, provided the optionee continues to provide services to the Company."}],"balance_after":1350000,"derivative":{"exercise_price":2.17,"expiration_date":"2033-09-24","underlying":"Common Stock","underlying_shares":1350000},"source":{"system":"sec-edgar","filing":"0001062993-23-018539","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/886744/000106299323018539/form4.xml","form_type":"4"}},{"id":1891635,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-05-16T20:32:28.000Z","date":"2023-05-15","kind":"grant","planned":false,"acquired":true,"shares":62500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The stock option vests in twelve equal installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest). The first eleven installments shall vest beginning on the last day of each month over a period from June, 2023 to April, 2024 and the last installment shall vest on the earlier of (i) the day before the 2024 Annual Meeting of Stockholders is held or (ii) May 31, 2024, provided that the Reporting Person continues to serve as a director of the Company on each such vesting date."}],"balance_after":62500,"derivative":{"exercise_price":0.42,"expiration_date":"2033-05-15","underlying":"Common Stock","underlying_shares":62500},"source":{"system":"sec-edgar","filing":"0001104659-23-061415","document":"tm2315836-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1755098/000110465923061415/tm2315836-3_4seq1.xml","form_type":"4"}},{"id":1893608,"issuer":{"id":5502,"kind":"organization","name":"Editas Medicine, Inc.","symbol":"EDIT"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2023-05-15T20:30:14.000Z","date":"2023-05-11","kind":"sale","planned":true,"acquired":false,"shares":949,"price":9.872,"value":9368.528,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Sale was effected pursuant to a durable automatic sales instruction plan adopted by the Reporting Person on December 30, 2019, and represents the sale of shares by the Issuer necessary to meet tax withholding obligations as a result of vesting in restricted stock units on May 10, 2023. The sale does not represent a discretionary trade by the Reporting Person."}],"balance_after":106610,"source":{"system":"sec-edgar","filing":"0001415889-23-007990","document":"form4-05152023_040503.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1755098/000141588923007990/form4-05152023_040503.xml","form_type":"4"}},{"id":1969249,"issuer":{"id":5502,"kind":"organization","name":"Editas Medicine, Inc.","symbol":"EDIT"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, CHIEF FINANCIAL OFFICER"}}],"security":"Stock Option (right to buy)","published_at":"2023-03-06T21:30:22.000Z","date":"2023-03-02","kind":"grant","acquired":true,"shares":94500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This option was granted on March 2, 2023 and is scheduled to vest over four years in equal monthly installments beginning on April 2, 2023 through March 2, 2027."}],"balance_after":94500,"derivative":{"exercise_price":8.72,"expiration_date":"2033-03-01","underlying":"Common Stock","underlying_shares":94500},"source":{"system":"sec-edgar","filing":"0001415889-23-004315","document":"form4-03062023_040309.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1755098/000141588923004315/form4-03062023_040309.xml","form_type":"4"}},{"id":1969248,"issuer":{"id":5502,"kind":"organization","name":"Editas Medicine, Inc.","symbol":"EDIT"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2023-03-06T21:30:22.000Z","date":"2023-03-03","kind":"sale","acquired":false,"shares":184,"price":8.89,"value":1635.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Sale was effected pursuant to a durable automatic sales instruction plan adopted by the Reporting Person on December 30, 2019, and represents the sale of shares by the Issuer necessary to meet tax withholding obligations as a result of vesting in restricted stock units on March 2, 2023. The sale does not represent a discretionary trade by the Reporting Person."}],"balance_after":107559,"source":{"system":"sec-edgar","filing":"0001415889-23-004315","document":"form4-03062023_040309.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1755098/000141588923004315/form4-03062023_040309.xml","form_type":"4"}},{"id":1969247,"issuer":{"id":5502,"kind":"organization","name":"Editas Medicine, Inc.","symbol":"EDIT"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2023-03-06T21:30:22.000Z","date":"2023-03-02","kind":"grant","acquired":true,"shares":31500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The common stock received by the Reporting person was in connection with the grant of a restricted stock unit award to the Reporting Person, for no consideration, and which is scheduled to vest over four years with 25% of the units vesting on March 2, 2024 and the remaining 75% of the units scheduled to vest in equal quarterly installments thereafter through March 2, 2027."}],"balance_after":107743,"source":{"system":"sec-edgar","filing":"0001415889-23-004315","document":"form4-03062023_040309.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1755098/000141588923004315/form4-03062023_040309.xml","form_type":"4"}},{"id":2013697,"issuer":{"id":5502,"kind":"organization","name":"Editas Medicine, Inc.","symbol":"EDIT"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2023-02-15T21:30:31.000Z","date":"2023-02-13","kind":"sale","acquired":false,"shares":4287,"price":9.6653,"value":41435.1411,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Sale was effected pursuant to a durable automatic sales instruction plan adopted by the Reporting Person on December 30, 2019, and represents the sale of shares by the Issuer necessary to meet tax withholding obligations as a result of vesting in restricted stock units on February 10, 2023. The sale does not represent a discretionary trade by the Reporting Person."}],"balance_after":76243,"source":{"system":"sec-edgar","filing":"0001415889-23-002603","document":"form4-02152023_040208.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1755098/000141588923002603/form4-02152023_040208.xml","form_type":"4"}},{"id":2055680,"issuer":{"id":5502,"kind":"organization","name":"Editas Medicine, Inc.","symbol":"EDIT"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2023-01-12T21:30:25.000Z","date":"2023-01-10","kind":"sale","acquired":false,"shares":1752,"price":8.1601,"value":14296.4952,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Sale was effected pursuant to a durable automatic sales instruction plan adopted by the Reporting Person on December 30,2019, and represents the sale of shares by the Issuer necessary to meet tax withholding obligations as a result of vesting in restricted stock units on January 9,2023. The sale does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $8.1600 to $8.1911. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request, to the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":80530,"source":{"system":"sec-edgar","filing":"0001415889-23-000875","document":"form4-01122023_040101.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1755098/000141588923000875/form4-01122023_040101.xml","form_type":"4"}},{"id":2079900,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-12-20T21:08:06.000Z","date":"2022-05-12","kind":"grant","acquired":true,"shares":62500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On June 24, 2022 the Reporting Person filed a Form 4 reporting a stock option grant which incorrectly stated an exercise price of $1.11, a transaction date of June 22, 2022 and an expiration date of June 22, 2032. This amendment is being filed to reflect the corrected exercise price of $1.07, transaction date of May 12, 2022 and expiration date of May 12, 2032."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The stock option vests in twelve equal month installments (rounded down to the nearest whole share on each vesting date except with respect to the final vesting date on which the remaining unvested portion shall vest) beginning on the on the last day of each month over a period from June, 2022 to May, 2023, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date."}],"balance_after":62500,"derivative":{"exercise_price":1.07,"expiration_date":"2032-05-12","underlying":"Common Stock","underlying_shares":62500},"source":{"system":"sec-edgar","filing":"0001104659-22-128635","document":"tm2232937-6_4aseq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1755098/000110465922128635/tm2232937-6_4aseq1.xml","form_type":"4/A","original_submission_date":"2022-06-24"}},{"id":2094629,"issuer":{"id":5502,"kind":"organization","name":"Editas Medicine, Inc.","symbol":"EDIT"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2022-12-06T21:30:37.000Z","date":"2022-12-05","kind":"sale","acquired":false,"shares":193,"price":10.23,"value":1974.39,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Sale was effected pursuant to a durable automatic sales instruction plan adopted by the Reporting Person on December 30, 2019, and represents the sale of shares by the Issuer necessary to meet tax withholding obligations as a result of vesting in restricted stock units on December 2, 2022. The sale does not represent a discretionary trade by the Reporting Person."}],"balance_after":82282,"source":{"system":"sec-edgar","filing":"0001415889-22-012132","document":"form4-12062022_041206.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1755098/000141588922012132/form4-12062022_041206.xml","form_type":"4"}},{"id":2163267,"issuer":{"id":5502,"kind":"organization","name":"Editas Medicine, Inc.","symbol":"EDIT"},"owners":[{"id":44245,"kind":"person","name":"ROBERTSON MICHELLE","position":1,"cik":"0001755098","reported_name":"ROBERTSON MICHELLE","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, CHIEF FINANCIAL OFFICER"}}],"security":"Common Stock","published_at":"2022-09-08T20:30:27.000Z","date":"2022-09-06","kind":"sale","acquired":false,"shares":192,"price":15.01,"value":2881.92,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Sale was effected pursuant to a durable automatic sales instruction plan adopted by the Reporting Person on December 30, 2019, and represents the sale of shares by the Issuer necessary to meet tax withholding obligations as a result of vesting in restricted stock units on September 2, 2022. 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