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Each RSU represents the contingent right to receive one share of Common Stock. The RSUs vest as to 33.3% of the RSUs on the first three anniversaries of June 18, 2024 (the \"RSU Grant Date\") such that the award is fully vested on June 18, 2027 (with the number of RSUs vesting on each vesting date rounded down to the nearest whole RSU, except with respect to the final vesting date on which all remaining unvested RSUs shall vest), provided that the Reporting Person continues to serve as an employee of or other service provider to the Issuer on each such vesting date."}],"balance_after":47385,"source":{"system":"sec-edgar","filing":"0001104659-24-073607","document":"tm2417704-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465924073607/tm2417704-4_4seq1.xml","form_type":"4"}},{"id":1545274,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":35606,"kind":"person","name":"Calkins 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In exchange, the Reporting Person received (i) in the case of the canceled options that were fully vested as of March 8, 2024, a grant of 5,413 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (the \"Grant Date\") and (ii) in the case of the canceled options there were unvested as of March 8, 2024, a grant of 1,175 stock options that will vest as to 25% on the first anniversary of the Grant Date and as to an additional 6.25% at the end of each successive three-month period following the first anniversary of the Grant Date until the fourth anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On March 11, 2024, pursuant to the Issuer's option exchange program, the Issuer canceled certain eligible unexercised options granted to the Reporting Person with an exercise price greater than $15. In exchange, the Reporting Person received (i) in the case of the canceled options that were fully vested as of March 8, 2024, a grant of 5,413 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (the \"Grant Date\") and (ii) in the case of the canceled options there were unvested as of March 8, 2024, a grant of 1,175 stock options that will vest as to 25% on the first anniversary of the Grant Date and as to an additional 6.25% at the end of each successive three-month period following the first anniversary of the Grant Date until the fourth anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer on the vesting date."}],"balance_after":1175,"derivative":{"exercise_price":11.44,"expiration_date":"2034-03-11","underlying":"Common Stock","underlying_shares":1175},"source":{"system":"sec-edgar","filing":"0001104659-24-034037","document":"tm248737-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465924034037/tm248737-3_4seq1.xml","form_type":"4"}},{"id":1578282,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":35606,"kind":"person","name":"Calkins Daniel","position":1,"cik":"0001951861","reported_name":"Calkins Daniel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (right to buy)","published_at":"2024-03-13T22:11:29.000Z","date":"2024-03-11","kind":"grant","planned":false,"acquired":true,"shares":5413,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 11, 2024, pursuant to the Issuer's option exchange program, the Issuer canceled certain eligible unexercised options granted to the Reporting Person with an exercise price greater than $15. In exchange, the Reporting Person received (i) in the case of the canceled options that were fully vested as of March 8, 2024, a grant of 5,413 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (the \"Grant Date\") and (ii) in the case of the canceled options there were unvested as of March 8, 2024, a grant of 1,175 stock options that will vest as to 25% on the first anniversary of the Grant Date and as to an additional 6.25% at the end of each successive three-month period following the first anniversary of the Grant Date until the fourth anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On March 11, 2024, pursuant to the Issuer's option exchange program, the Issuer canceled certain eligible unexercised options granted to the Reporting Person with an exercise price greater than $15. In exchange, the Reporting Person received (i) in the case of the canceled options that were fully vested as of March 8, 2024, a grant of 5,413 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (the \"Grant Date\") and (ii) in the case of the canceled options there were unvested as of March 8, 2024, a grant of 1,175 stock options that will vest as to 25% on the first anniversary of the Grant Date and as to an additional 6.25% at the end of each successive three-month period following the first anniversary of the Grant Date until the fourth anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer on the vesting date."}],"balance_after":5413,"derivative":{"exercise_price":11.44,"expiration_date":"2034-03-11","underlying":"Common Stock","underlying_shares":5413},"source":{"system":"sec-edgar","filing":"0001104659-24-034037","document":"tm248737-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465924034037/tm248737-3_4seq1.xml","form_type":"4"}},{"id":1578281,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":35606,"kind":"person","name":"Calkins Daniel","position":1,"cik":"0001951861","reported_name":"Calkins Daniel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (right to buy)","published_at":"2024-03-13T22:11:29.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":1875,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 11, 2024, pursuant to the Issuer's option exchange program, the Issuer canceled certain eligible unexercised options granted to the Reporting Person with an exercise price greater than $15. In exchange, the Reporting Person received (i) in the case of the canceled options that were fully vested as of March 8, 2024, a grant of 5,413 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (the \"Grant Date\") and (ii) in the case of the canceled options there were unvested as of March 8, 2024, a grant of 1,175 stock options that will vest as to 25% on the first anniversary of the Grant Date and as to an additional 6.25% at the end of each successive three-month period following the first anniversary of the Grant Date until the fourth anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The canceled option was granted on December 23, 2021 and provided for vesting as to 25% of the shares underlying the option on the first anniversary of the grant date and, thereafter, vesting as to 6.25% of the shares underlying the option at the end of each successive three-month period after such date until the fourth anniversary of the grant date."}],"balance_after":0,"derivative":{"exercise_price":27.72,"expiration_date":"2031-12-23","underlying":"Common Stock","underlying_shares":1875},"source":{"system":"sec-edgar","filing":"0001104659-24-034037","document":"tm248737-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465924034037/tm248737-3_4seq1.xml","form_type":"4"}},{"id":1578280,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":35606,"kind":"person","name":"Calkins Daniel","position":1,"cik":"0001951861","reported_name":"Calkins Daniel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (right to buy)","published_at":"2024-03-13T22:11:29.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":750,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 11, 2024, pursuant to the Issuer's option exchange program, the Issuer canceled certain eligible unexercised options granted to the Reporting Person with an exercise price greater than $15. In exchange, the Reporting Person received (i) in the case of the canceled options that were fully vested as of March 8, 2024, a grant of 5,413 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (the \"Grant Date\") and (ii) in the case of the canceled options there were unvested as of March 8, 2024, a grant of 1,175 stock options that will vest as to 25% on the first anniversary of the Grant Date and as to an additional 6.25% at the end of each successive three-month period following the first anniversary of the Grant Date until the fourth anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The canceled option was granted on January 4, 2021 and provided for vesting as to 25% of the shares underlying the option on the first anniversary of the grant date and, thereafter, vesting as to 6.25% of the shares underlying the option at the end of each successive three-month period after such date until the fourth anniversary of the grant date."}],"balance_after":0,"derivative":{"exercise_price":26.4,"expiration_date":"2031-01-04","underlying":"Common Stock","underlying_shares":750},"source":{"system":"sec-edgar","filing":"0001104659-24-034037","document":"tm248737-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465924034037/tm248737-3_4seq1.xml","form_type":"4"}},{"id":1578279,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":35606,"kind":"person","name":"Calkins Daniel","position":1,"cik":"0001951861","reported_name":"Calkins Daniel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (right to buy)","published_at":"2024-03-13T22:11:29.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":833,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 11, 2024, pursuant to the Issuer's option exchange program, the Issuer canceled certain eligible unexercised options granted to the Reporting Person with an exercise price greater than $15. In exchange, the Reporting Person received (i) in the case of the canceled options that were fully vested as of March 8, 2024, a grant of 5,413 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (the \"Grant Date\") and (ii) in the case of the canceled options there were unvested as of March 8, 2024, a grant of 1,175 stock options that will vest as to 25% on the first anniversary of the Grant Date and as to an additional 6.25% at the end of each successive three-month period following the first anniversary of the Grant Date until the fourth anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The canceled option was granted on April 1, 2020 and provided for vesting as to 25% of the shares underlying the option on the first anniversary of the grant date and, thereafter, vesting as to 6.25% of the shares underlying the option at the end of each successive three-month period after such date until the fourth anniversary of the grant date."}],"balance_after":0,"derivative":{"exercise_price":29.76,"expiration_date":"2030-04-01","underlying":"Common Stock","underlying_shares":833},"source":{"system":"sec-edgar","filing":"0001104659-24-034037","document":"tm248737-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465924034037/tm248737-3_4seq1.xml","form_type":"4"}},{"id":1578278,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":35606,"kind":"person","name":"Calkins Daniel","position":1,"cik":"0001951861","reported_name":"Calkins Daniel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (right to buy)","published_at":"2024-03-13T22:11:29.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":1666,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 11, 2024, pursuant to the Issuer's option exchange program, the Issuer canceled certain eligible unexercised options granted to the Reporting Person with an exercise price greater than $15. In exchange, the Reporting Person received (i) in the case of the canceled options that were fully vested as of March 8, 2024, a grant of 5,413 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (the \"Grant Date\") and (ii) in the case of the canceled options there were unvested as of March 8, 2024, a grant of 1,175 stock options that will vest as to 25% on the first anniversary of the Grant Date and as to an additional 6.25% at the end of each successive three-month period following the first anniversary of the Grant Date until the fourth anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The canceled option was granted on December 20, 2019 and provided for vesting as to 25% of the shares underlying the option on the first anniversary of the grant date and, thereafter, vesting as to 6.25% of the shares underlying the option at the end of each successive three-month period after such date until the fourth anniversary of the grant date."}],"balance_after":0,"derivative":{"exercise_price":15.96,"expiration_date":"2029-12-20","underlying":"Common Stock","underlying_shares":1666},"source":{"system":"sec-edgar","filing":"0001104659-24-034037","document":"tm248737-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465924034037/tm248737-3_4seq1.xml","form_type":"4"}},{"id":1578277,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":35606,"kind":"person","name":"Calkins Daniel","position":1,"cik":"0001951861","reported_name":"Calkins Daniel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (right to buy)","published_at":"2024-03-13T22:11:29.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":833,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 11, 2024, pursuant to the Issuer's option exchange program, the Issuer canceled certain eligible unexercised options granted to the Reporting Person with an exercise price greater than $15. In exchange, the Reporting Person received (i) in the case of the canceled options that were fully vested as of March 8, 2024, a grant of 5,413 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (the \"Grant Date\") and (ii) in the case of the canceled options there were unvested as of March 8, 2024, a grant of 1,175 stock options that will vest as to 25% on the first anniversary of the Grant Date and as to an additional 6.25% at the end of each successive three-month period following the first anniversary of the Grant Date until the fourth anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The canceled option was granted on June 21, 2019 and provided for vesting as to 50% of the shares underlying the option on the first anniversary of the grant date and, thereafter, vesting as to 12.5% of the shares underlying the option on each successive three month period after such date until the second anniversary of the grant date."}],"balance_after":0,"derivative":{"exercise_price":21.72,"expiration_date":"2029-06-21","underlying":"Common Stock","underlying_shares":833},"source":{"system":"sec-edgar","filing":"0001104659-24-034037","document":"tm248737-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465924034037/tm248737-3_4seq1.xml","form_type":"4"}},{"id":1578276,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":35606,"kind":"person","name":"Calkins Daniel","position":1,"cik":"0001951861","reported_name":"Calkins Daniel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (right to buy)","published_at":"2024-03-13T22:11:29.000Z","date":"2024-03-11","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":631,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On March 11, 2024, pursuant to the Issuer's option exchange program, the Issuer canceled certain eligible unexercised options granted to the Reporting Person with an exercise price greater than $15. In exchange, the Reporting Person received (i) in the case of the canceled options that were fully vested as of March 8, 2024, a grant of 5,413 stock options that will vest in two equal installments over a two-year period from March 11, 2024 (the \"Grant Date\") and (ii) in the case of the canceled options there were unvested as of March 8, 2024, a grant of 1,175 stock options that will vest as to 25% on the first anniversary of the Grant Date and as to an additional 6.25% at the end of each successive three-month period following the first anniversary of the Grant Date until the fourth anniversary of the Grant Date, subject to the Reporting Person's continued service to the Issuer on the vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The canceled option was granted on January 2, 2019 and provided for vesting as to 20% of the shares underlying the option on the first anniversary of the grant date and, thereafter, vesting as to 5.0% of the shares underlying the option at the end of each successive three-month period following the first anniversary of the grant date until the fifth anniversary of the grant date."}],"balance_after":0,"derivative":{"exercise_price":43.32,"expiration_date":"2029-01-02","underlying":"Common Stock","underlying_shares":631},"source":{"system":"sec-edgar","filing":"0001104659-24-034037","document":"tm248737-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465924034037/tm248737-3_4seq1.xml","form_type":"4"}},{"id":1682338,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":35606,"kind":"person","name":"Calkins Daniel","position":1,"cik":"0001951861","reported_name":"Calkins Daniel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common 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as to 25% of the shares on the first anniversary of January 27, 2023 (the \"Grant Date\") and as to an additional 6.25% of the shares at the end of each successive three-month period following the first anniversary of the Grant Date until the fourth anniversary of the Grant Date (with the number of shares vesting on each vesting date rounded down to the nearest whole share, except with respect to the final vesting date on which all remaining unvested shares shall vest), provided that the Reporting Person continues to serve as an employee of or other service provider to the Issuer on each such vesting date."}],"balance_after":165000,"derivative":{"exercise_price":0.66,"expiration_date":"2033-01-27","underlying":"Common 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shares sold by the Reporting Person to satisfy statutory withholding requirements in connection with the vesting of restricted stock units."}],"balance_after":98517,"source":{"system":"sec-edgar","filing":"0001104659-23-002260","document":"tm232492-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465923002260/tm232492-1_4seq1.xml","form_type":"4"}},{"id":2074798,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":35606,"kind":"person","name":"Calkins Daniel","position":1,"cik":"0001951861","reported_name":"Calkins Daniel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Vice President of Finance"}}],"security":"Common Stock","published_at":"2022-12-29T21:07:16.000Z","date":"2022-12-27","kind":"sale","acquired":false,"shares":1246,"price":0.33,"value":411.18,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sale reported on this Form 4 represents shares sold by the Reporting Person to satisfy statutory withholding requirements in connection with the vesting of restricted stock units."}],"balance_after":98591,"source":{"system":"sec-edgar","filing":"0001104659-22-130942","document":"tm2233608-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465922130942/tm2233608-1_4seq1.xml","form_type":"4"}}]}