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The RSUs vest as to 25% of the RSUs on the first anniversary of December 18, 2020 (the \"Grant Date\") and as to an additional 6.25% of the RSUs 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 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":994357,"source":{"system":"sec-edgar","filing":"0000904454-20-000830","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1716328/000090445420000830/edgar.xml","form_type":"4"}},{"id":3058780,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":38184,"kind":"person","name":"Stuglik Brian M","position":1,"cik":"0001716328","reported_name":"Stuglik Brian M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2020-08-13T15:53:32.000Z","date":"2020-08-11","kind":"grant","acquired":true,"shares":419581,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units granted to the Reporting Person under the Issuer's Amended and Restated 2012 Incentive Plan. Each restricted stock unit represents the contingent right to receive one share of Common Stock. The restricted stock units vest 50% on December 31, 2020 and 50% on August 11, 2021, 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":790581,"source":{"system":"sec-edgar","filing":"0000904454-20-000564","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1716328/000090445420000564/edgar.xml","form_type":"4"}},{"id":3087594,"issuer":{"id":5478,"kind":"organization","name":"PUMA BIOTECHNOLOGY, INC.","symbol":"PBYI"},"owners":[{"id":38184,"kind":"person","name":"Stuglik Brian M","position":1,"cik":"0001716328","reported_name":"Stuglik Brian M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"STOCK OPTION (RIGHT TO BUY)","published_at":"2020-07-08T01:33:03.000Z","date":"2020-07-05","kind":"grant","acquired":true,"shares":93953,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The vesting commencement date of the option is July 5, 2020 (\"Option Vesting Commencement Date\"). The option vests (i) with respect to one-third (1/3rd) of the shares subject thereto on the first anniversary of the Option Vesting Commencement Date and (ii) with respect to 1/36th of the shares subject thereto on each monthly anniversary of the Option Vesting Commencement Date thereafter, subject to the Reporting Person's continued service with the Issuer through the applicable vesting date."}],"balance_after":93953,"derivative":{"exercise_price":10.53,"expiration_date":"2030-07-04","underlying":"COMMON STOCK","underlying_shares":93953},"source":{"system":"sec-edgar","filing":"0001209191-20-041629","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1716328/000120919120041629/doc4.xml","form_type":"4"}},{"id":3192186,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":38184,"kind":"person","name":"Stuglik Brian M","position":1,"cik":"0001716328","reported_name":"Stuglik Brian M","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2020-03-31T00:58:01.000Z","date":"2020-03-27","kind":"grant","acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units granted to the Reporting Person under the Issuer's Amended and Restated 2012 Incentive Plan on March 27, 2020. Each restricted stock unit represents the contingent right to receive one share of Common Stock. The restricted stock units vest as to 100% of the shares on December 31, 2021, provided that the Reporting Person continues to serve as an employee of or other service provider to the Issuer on such vesting date."}],"balance_after":371000,"source":{"system":"sec-edgar","filing":"0001104659-20-040696","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1716328/000110465920040696/a4.xml","form_type":"4"}},{"id":3339180,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":38184,"kind":"person","name":"Stuglik Brian M","position":1,"cik":"0001716328","reported_name":"Stuglik Brian M","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2019-12-18T00:39:18.000Z","date":"2019-12-13","kind":"grant","acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests as to 50% of the shares on the first anniversary of December 13, 2019 (the \"Grant Date\") and as to an additional 12.5% of the shares at the end of each successive three-month period following the first anniversary of the Grant Date, 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":100000,"derivative":{"exercise_price":1.34,"expiration_date":"2029-12-13","underlying":"Common Stock","underlying_shares":100000},"source":{"system":"sec-edgar","filing":"0001104659-19-073505","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1716328/000110465919073505/a4.xml","form_type":"4"}},{"id":3452177,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":38184,"kind":"person","name":"Stuglik Brian M","position":1,"cik":"0001716328","reported_name":"Stuglik Brian M","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2019-07-31T23:42:56.000Z","date":"2019-07-29","kind":"grant","acquired":true,"shares":500000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests as to (a) 33 1/3% of the shares on the first anniversary of the Grant Date and (b) as to an additional 8.33% of the shares at the end of each successive three-month period following the first anniversary of the Grant Date until the third anniversary of the Grant Date, provided that the Reporting Person continues to serve as an employee of or other service provider to the Issuer on such vesting date."}],"balance_after":500000,"derivative":{"exercise_price":1.43,"expiration_date":"2029-07-29","underlying":"Common Stock","underlying_shares":500000},"source":{"system":"sec-edgar","filing":"0001104659-19-043091","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1716328/000110465919043091/a4.xml","form_type":"4"}},{"id":3452176,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":38184,"kind":"person","name":"Stuglik Brian M","position":1,"cik":"0001716328","reported_name":"Stuglik Brian M","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2019-07-31T23:42:56.000Z","date":"2019-07-29","kind":"grant","acquired":true,"shares":270000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units granted to the Reporting Person under the Issuer's Amended and Restated 2012 Incentive Plan on July 29, 2019 (the \"Grant Date\"). Each restricted stock unit represents the contingent right to receive one share of Common Stock. The restricted stock units vest as to 33 1/3% of the shares on the first anniversary of the Grant Date and as to an additional 8.33% of the shares at the end of each successive three-month period following the first anniversary of the Grant Date until the third anniversary of the Grant Date, provided that the Reporting Person continues to serve as an employee of or other service provider to the Issuer on such vesting date."}],"balance_after":270000,"source":{"system":"sec-edgar","filing":"0001104659-19-043091","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1716328/000110465919043091/a4.xml","form_type":"4"}},{"id":3478790,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":38184,"kind":"person","name":"Stuglik Brian M","position":1,"cik":"0001716328","reported_name":"Stuglik Brian 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each vesting date rounded down to the nearest whole share, except with respect to the final vesting date on which the remaining unvested portion shall vest), beginning on 7/21/2019 and ending on 06/21/2020, provided that the Reporting Person continues to serve as a director of the Issuer on each such vesting date."}],"balance_after":42397,"derivative":{"exercise_price":1.81,"expiration_date":"2029-06-21","underlying":"Common Stock","underlying_shares":42397},"source":{"system":"sec-edgar","filing":"0001104659-19-037506","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1716328/000110465919037506/a4.xml","form_type":"4"}},{"id":3801679,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":38184,"kind":"person","name":"Stuglik Brian M","position":1,"cik":"0001716328","reported_name":"Stuglik Brian 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