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Each restricted stock unit represents the right to receive one share of the Company's common stock. These restricted stock units vest in four substantially equal annual installments beginning on the one year anniversary of the date of grant."}],"balance_after":26250,"source":{"system":"sec-edgar","filing":"0000899243-21-042083","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1501796/000089924321042083/doc4.xml","form_type":"4"}},{"id":3907796,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":27106,"kind":"person","name":"Feder Julie B","position":1,"cik":"0001710237","reported_name":"Feder Julie B","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2018-06-04T21:55:25.000Z","date":"2018-04-06","kind":"grant","acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On January 5, 2018, the Reporting Person was granted an option to purchase 25,000 shares of common stock. The option vests based on the Issuer's satisfaction of certain performance milestones by June 30, 2018, by March 31, 2019, and within the first twenty-four (24) months after the achievement of certain net sales targets. 20% of the performance criteria was met on April 6, 2018, resulting in vesting of the option as to 5,000 shares."}],"balance_after":5000,"derivative":{"exercise_price":2.97,"exercise_date":"2018-04-06","expiration_date":"2028-01-05","underlying":"Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001104659-18-038052","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465918038052/a4.xml","form_type":"4"}},{"id":4102734,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":27106,"kind":"person","name":"Feder Julie B","position":1,"cik":"0001710237","reported_name":"Feder Julie B","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO, PFO and PAO"}}],"security":"Stock Option (Right to Buy)","published_at":"2018-01-09T22:44:51.000Z","date":"2018-01-05","kind":"grant","acquired":true,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"25% of this option will vest on January 1, 2019 and 6.25% of this option will vest at the end of each successive three-month period thereafter until January 1, 2022."}],"balance_after":25000,"derivative":{"exercise_price":2.97,"expiration_date":"2028-01-05","underlying":"Common Stock","underlying_shares":25000},"source":{"system":"sec-edgar","filing":"0001104659-18-001509","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465918001509/a4.xml","form_type":"4"}},{"id":4258900,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":27106,"kind":"person","name":"Feder Julie B","position":1,"cik":"0001710237","reported_name":"Feder Julie B","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CFO, PFO and PAO"}}],"security":"Stock Option (Right to Buy)","published_at":"2017-07-11T20:37:32.000Z","date":"2017-07-10","kind":"grant","acquired":true,"shares":370000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"25% of this option will vest on July 10, 2018 and 6.25% of this option will vest at the end of each successive three-month period thereafter until July 10, 2021."}],"balance_after":370000,"derivative":{"exercise_price":3.45,"expiration_date":"2027-07-10","underlying":"Common Stock","underlying_shares":370000},"source":{"system":"sec-edgar","filing":"0001104659-17-044509","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1526119/000110465917044509/a4.xml","form_type":"4"}}]}