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This transaction does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price in column 4 represents the weighted average price. The shares were sold in multiple transactions at prices ranging from $2.9006 to $3.025, inclusive. 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The 11,000 shares referenced in Footnote 2(b) were previously reported as covering 110,000 restricted stock units (which have now vested) and are beneficially owned by the Reporting Person. 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This transaction does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price in column 4 represents the weighted average price. The shares were sold in multiple transactions at prices ranging from $5.1828 to $5.1901, inclusive. 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Reporting Person to satisfy statutory withholding requirements in connection with the vesting of restricted stock units."}],"balance_after":571063,"source":{"system":"sec-edgar","filing":"0001104659-23-034515","document":"tm239927-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465923034515/tm239927-3_4seq1.xml","form_type":"4"}},{"id":2079506,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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six 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 December, 2022 to May, 2023. The options vest provided the Reporting Person continues to serve as a director of the Issuer on each such vesting date."}],"balance_after":153938,"derivative":{"exercise_price":0.45,"expiration_date":"2032-12-13","underlying":"Common Stock","underlying_shares":153938},"source":{"system":"sec-edgar","filing":"0001104659-22-127430","document":"tm2232815-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465922127430/tm2232815-2_4seq1.xml","form_type":"4"}},{"id":2153339,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-09-21T20:06:42.000Z","date":"2022-09-19","kind":"sale","acquired":false,"shares":1348,"price":1.13,"value":1523.24,"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":588554,"source":{"system":"sec-edgar","filing":"0001104659-22-101924","document":"tm2226273-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465922101924/tm2226273-1_4seq1.xml","form_type":"4"}},{"id":2223868,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-06-22T20:05:50.000Z","date":"2022-06-21","kind":"sale","acquired":false,"shares":1351,"price":1.14,"value":1540.14,"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":589902,"source":{"system":"sec-edgar","filing":"0001104659-22-073482","document":"tm2219034-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465922073482/tm2219034-1_4seq1.xml","form_type":"4"}},{"id":2267483,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-05-17T20:05:59.000Z","date":"2022-05-16","kind":"sale","acquired":false,"shares":16627,"price":1.03,"value":17125.81,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","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":591253,"source":{"system":"sec-edgar","filing":"0001104659-22-061934","document":"tm2215781-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465922061934/tm2215781-1_4seq1.xml","form_type":"4"}},{"id":2267482,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2022-05-17T20:05:59.000Z","date":"2022-05-14","kind":"grant","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents performance-based restricted stock units (\"PRSUs\") granted to the Reporting Person on June 24, 2021 under the Issuer's 2021 Equity Incentive Plan. Each PRSU represents the right to receive one share of Common Stock. On May 14, 2022 the Compensation Committee of the Issuer's Board of Directors certified that the PRSUs' performance criteria had been satisfied and the PRSUs vested in full."}],"balance_after":607880,"source":{"system":"sec-edgar","filing":"0001104659-22-061934","document":"tm2215781-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465922061934/tm2215781-1_4seq1.xml","form_type":"4"}},{"id":2319815,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common 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vests as to 25% of the shares on the first anniversary of December 15, 2021 (the \"Option 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 Option Grant Date until the fourth anniversary of the Option 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":301500,"derivative":{"exercise_price":2.36,"expiration_date":"2031-12-15","underlying":"Common 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(\"RSUs\") granted to the Reporting Person under the Issuer's 2021 Equity Incentive Plan. Each RSU represents the contingent right to receive one share of Common Stock. The RSUs vest as to 25% of the RSUs on the first anniversary of December 15, 2021 (the \"RSU 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 RSU Grant Date until the fourth anniversary of the RSU 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":584398,"source":{"system":"sec-edgar","filing":"0001104659-21-151112","document":"tm2135712-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465921151112/tm2135712-2_4seq1.xml","form_type":"4"}},{"id":2465404,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2021-12-17T21:02:01.000Z","date":"2021-08-12","kind":"tax_withholding","acquired":false,"shares":45329,"price":2.87,"value":130094.23,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The total reflects the disposition of 45,329 shares sold by the Issuer to satisfy statutory withholding requirements upon vesting of restricted stock units and additional reductions of 74,981 shares previously retired and 18,760 shares previously sold, in each case by the Issuer, to satisfy statutory withholding requirements upon vesting of restricted stock units. The total also reflects 3,333 shares purchased under the Issuer's Employee Stock Purchase Plan."}],"balance_after":435898,"source":{"system":"sec-edgar","filing":"0001104659-21-151112","document":"tm2135712-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465921151112/tm2135712-2_4seq1.xml","form_type":"4"}},{"id":2934269,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2020-12-22T18:33:14.000Z","date":"2020-12-18","kind":"grant","acquired":true,"shares":203776,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests as to 25% of the shares on the first anniversary of December 18, 2020 (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":203776,"derivative":{"exercise_price":2.2,"expiration_date":"2030-12-18","underlying":"Common Stock","underlying_shares":203776},"source":{"system":"sec-edgar","filing":"0000904454-20-000832","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000090445420000832/edgar.xml","form_type":"4"}},{"id":2934268,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-12-22T18:33:14.000Z","date":"2020-12-18","kind":"grant","acquired":true,"shares":67925,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted to the Reporting Person under the Issuer's Amended and Restated 2012 Incentive Plan. Each RSU represents the contingent right to receive one share of Common Stock. 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":571635,"source":{"system":"sec-edgar","filing":"0000904454-20-000832","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000090445420000832/edgar.xml","form_type":"4"}},{"id":3058353,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-08-13T16:01:20.000Z","date":"2020-08-11","kind":"grant","acquired":true,"shares":290210,"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. 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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":503710,"source":{"system":"sec-edgar","filing":"0000904454-20-000568","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000090445420000568/edgar.xml","form_type":"4"}},{"id":3191951,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2020-03-31T00:59:46.000Z","date":"2020-03-27","kind":"grant","acquired":true,"shares":62500,"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":213500,"source":{"system":"sec-edgar","filing":"0001104659-20-040698","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465920040698/a4.xml","form_type":"4"}},{"id":3338398,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2019-12-18T00:40:17.000Z","date":"2019-12-13","kind":"grant","acquired":true,"shares":125000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests as to 50% of the shares on the first anniversary of 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":125000,"derivative":{"exercise_price":1.34,"expiration_date":"2029-12-13","underlying":"Common Stock","underlying_shares":125000},"source":{"system":"sec-edgar","filing":"0001104659-19-073507","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465919073507/a4.xml","form_type":"4"}},{"id":3338397,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2019-12-18T00:40:17.000Z","date":"2019-12-13","kind":"grant","acquired":true,"shares":125000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests as to 25% of the shares on the first anniversary of December 13, 2019 (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":125000,"derivative":{"exercise_price":1.34,"expiration_date":"2029-12-13","underlying":"Common Stock","underlying_shares":125000},"source":{"system":"sec-edgar","filing":"0001104659-19-073507","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465919073507/a4.xml","form_type":"4"}},{"id":3478547,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2019-06-26T01:49:22.000Z","date":"2019-06-21","kind":"grant","acquired":true,"shares":250000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests as to 50% of the shares on the first anniversary of the date of grant 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 date of grant, 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":250000,"derivative":{"exercise_price":1.81,"expiration_date":"2029-06-21","underlying":"Common Stock","underlying_shares":250000},"source":{"system":"sec-edgar","filing":"0001104659-19-037504","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465919037504/a4.xml","form_type":"4"}},{"id":3478546,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert 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Each RSU represents the contingent right to receive one share of Common Stock. The RSUs vest as to 50% of the RSUs on the first anniversary of the date of grant and as to an additional 12.5% of the RSUs at the end of each successive three-month period following the first anniversary of the date of grant, 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":151000,"source":{"system":"sec-edgar","filing":"0001104659-19-037504","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000110465919037504/a4.xml","form_type":"4"}},{"id":3701652,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2019-01-07T21:45:58.000Z","date":"2019-01-03","kind":"grant","acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests as to: (a) 40% of the shares upon the date on which the closing price per share of the common stock is at least $10.00 on at least 20 (whether or not consecutive) of the prior 30 trading days, (b) 40% of the shares shall vest upon the date on which the closing price per share of the common stock is at least $15.00 on at least 20 (whether or not consecutive) of the prior 30 trading days, and (c) 20% of the shares shall vest upon the date on which the closing price per share of the common stock is at least $20.00 on at least 20 (whether or not consecutive) of the prior 30 trading days, 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":50000,"derivative":{"exercise_price":3.51,"expiration_date":"2029-01-03","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0000904454-19-000026","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000090445419000026/edgar.xml","form_type":"4"}},{"id":3701651,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to 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date."}],"balance_after":50000,"derivative":{"exercise_price":3.51,"expiration_date":"2029-01-03","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0000904454-19-000026","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000090445419000026/edgar.xml","form_type":"4"}},{"id":3829374,"issuer":{"id":5242,"kind":"organization","name":"Verastem, Inc.","symbol":"VSTM"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2018-08-30T20:50:43.000Z","date":"2018-08-28","kind":"grant","acquired":true,"shares":350000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests as to 25% of the shares on the first anniversary of the date of grant 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 date of grant until the fourth anniversary of the date of grant (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":350000,"derivative":{"exercise_price":9.43,"expiration_date":"2028-08-28","underlying":"Common 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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 on August 28, 2019, 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":51000,"source":{"system":"sec-edgar","filing":"0000904454-18-000543","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1504983/000090445418000543/edgar.xml","form_type":"4"}},{"id":3829709,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-08-30T20:04:15.000Z","date":"2018-08-29","kind":"sale","acquired":false,"shares":8889,"price":5.77,"value":51289.53,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (a) a deferred stock award of 40,000 restricted stock units with performance based vesting conditions, which shall vest in three equal installments on May 24, 2019, May 24, 2020 and May 24, 2021, contingent upon achievement of a performance condition tied to relative total shareholder return; (b) a deferred stock award of 40,000 restricted stock units which vest in four equal installments on January 1, 2019, 2020, 2021 and 2022; (c) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (d) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (e) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; and (f) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019."}],"balance_after":321169,"source":{"system":"sec-edgar","filing":"0001209191-18-048919","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118048919/doc4.xml","form_type":"4"}},{"id":3846334,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-08-13T20:10:19.000Z","date":"2018-08-03","kind":"tax_withholding","acquired":false,"shares":5170,"price":5.7,"value":29469.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares were disposed to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of certain restricted stock units previously granted to the Reporting Person on August 3, 2015."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) a deferred stock award of 40,000 restricted stock units with performance based vesting conditions, which shall vest in three equal installments on May 24, 2019, May 24, 2020 and May 24, 2021, contingent upon achievement of a performance condition tied to relative total shareholder return; (b) a deferred stock award of 40,000 restricted stock units which vest in four equal installments on January 1, 2019, 2020, 2021 and 2022; (c) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (d) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (e) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; (f) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019; and (g) 8,889 shares of common stock held by the Reporting Person."}],"balance_after":330058,"source":{"system":"sec-edgar","filing":"0001209191-18-046408","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118046408/doc4.xml","form_type":"4"}},{"id":3848745,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon 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share","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001209191-18-046028","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118046028/doc4.xml","form_type":"4"}},{"id":3848744,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock option (right to buy)","published_at":"2018-08-09T20:20:47.000Z","date":"2018-08-07","kind":"exercise","acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"The option vested in four equal annual installments on each of January 1, 2015, 2016, 2017 and 2018."}],"balance_after":0,"derivative":{"exercise_price":4.12,"expiration_date":"2024-05-30","underlying":"Common Stock, par value $0.01 per share","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001209191-18-046028","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118046028/doc4.xml","form_type":"4"}},{"id":3848743,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock option (right to buy)","published_at":"2018-08-09T20:20:47.000Z","date":"2018-08-07","kind":"exercise","acquired":false,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"The option vested in four equal annual installments on each of November 18, 2014, 2015, 2016 and 2017."}],"balance_after":0,"derivative":{"exercise_price":4.31,"expiration_date":"2023-11-18","underlying":"Common Stock, par value $0.01 per share","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001209191-18-046028","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118046028/doc4.xml","form_type":"4"}},{"id":3848742,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-08-09T20:20:47.000Z","date":"2018-08-07","kind":"sale","acquired":false,"shares":100015,"price":6.08,"value":608091.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.05 to $6.23, inclusive. The Reporting Person undertakes to provide to 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 the ranges set forth in this footnote (6)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above."}],"balance_after":349286,"source":{"system":"sec-edgar","filing":"0001209191-18-046028","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118046028/doc4.xml","form_type":"4"}},{"id":3848741,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-08-09T20:20:47.000Z","date":"2018-08-07","kind":"exercise","acquired":true,"shares":37500,"price":5.56,"value":208500.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 100,015 shares of common stock held by the Reporting Person."}],"balance_after":449301,"source":{"system":"sec-edgar","filing":"0001209191-18-046028","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118046028/doc4.xml","form_type":"4"}},{"id":3848740,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-08-09T20:20:47.000Z","date":"2018-08-07","kind":"exercise","acquired":true,"shares":20000,"price":4.12,"value":82400.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 62,515 shares of common stock held by the Reporting Person."}],"balance_after":411801,"source":{"system":"sec-edgar","filing":"0001209191-18-046028","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118046028/doc4.xml","form_type":"4"}},{"id":3848739,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-08-09T20:20:47.000Z","date":"2018-08-07","kind":"exercise","acquired":true,"shares":30000,"price":4.31,"value":129300.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) a deferred stock award of 40,000 restricted stock units with performance based vesting conditions, which shall vest in three equal installments on May 24, 2019, May 24, 2020 and May 24, 2021, contingent upon achievement of a performance condition tied to relative total shareholder return; (b) a deferred stock award of 40,000 restricted stock units which vest in four equal installments on January 1, 2019, 2020, 2021 and 2022; (c) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (d) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (e) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; (continued in footnote 3 below)"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continuation of footnote 2 above) (f) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019; (g) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (h) 42,515 shares of common stock held by the Reporting Person."}],"balance_after":391801,"source":{"system":"sec-edgar","filing":"0001209191-18-046028","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118046028/doc4.xml","form_type":"4"}},{"id":3857983,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock option (right to buy)","published_at":"2018-07-31T20:08:59.000Z","date":"2018-07-27","kind":"exercise","acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"The option vested in four equal annual installments on each of January 1, 2015, 2016, 2017 and 2018."}],"balance_after":20000,"derivative":{"exercise_price":4.12,"expiration_date":"2024-05-30","underlying":"Common Stock, par value $0.01 per share","underlying_shares":40000},"source":{"system":"sec-edgar","filing":"0001209191-18-044542","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118044542/doc4.xml","form_type":"4"}},{"id":3857982,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock option (right to buy)","published_at":"2018-07-31T20:08:59.000Z","date":"2018-07-27","kind":"exercise","acquired":false,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The option vested in four equal annual installments on each of November 18, 2014, 2015, 2016 and 2017."}],"balance_after":30000,"derivative":{"exercise_price":4.31,"expiration_date":"2023-11-18","underlying":"Common Stock, par value $0.01 per share","underlying_shares":60000},"source":{"system":"sec-edgar","filing":"0001209191-18-044542","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118044542/doc4.xml","form_type":"4"}},{"id":3857981,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-31T20:08:59.000Z","date":"2018-07-27","kind":"sale","acquired":false,"shares":62514,"price":5.54,"value":346327.56,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.50 to $5.70, inclusive. The Reporting Person undertakes to provide to 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 the ranges set forth in this footnote (5)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 12,515 shares of common stock held by the Reporting Person."}],"balance_after":361801,"source":{"system":"sec-edgar","filing":"0001209191-18-044542","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118044542/doc4.xml","form_type":"4"}},{"id":3857980,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert 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Person."}],"balance_after":424315,"source":{"system":"sec-edgar","filing":"0001209191-18-044542","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118044542/doc4.xml","form_type":"4"}},{"id":3857979,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-31T20:08:59.000Z","date":"2018-07-27","kind":"exercise","acquired":true,"shares":30000,"price":4.31,"value":129300.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) a deferred stock award of 40,000 restricted stock units with performance based vesting conditions, which shall vest in three equal installments on May 24, 2019, May 24, 2020 and May 24, 2021, contingent upon achievement of a performance condition tied to relative total shareholder return; (b) a deferred stock award of 40,000 restricted stock units which vest in four equal installments on January 1, 2019, 2020, 2021 and 2022; (c) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (d) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (e) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; (continued in footnote 3 below)"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continuation of footnote 2 above) (f) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019; (g) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (h) 55,029 shares of common stock held by the Reporting Person."}],"balance_after":404315,"source":{"system":"sec-edgar","filing":"0001209191-18-044542","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118044542/doc4.xml","form_type":"4"}},{"id":3861014,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-26T23:13:09.000Z","date":"2018-07-24","kind":"sale","acquired":false,"shares":5570,"price":5.25,"value":29242.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) a deferred stock award of 40,000 restricted stock units with performance based vesting conditions, which shall vest in three equal installments on May 24, 2019, May 24, 2020 and May 24, 2021, contingent upon achievement of a performance condition tied to relative total shareholder return; (b) a deferred stock award of 40,000 restricted stock units which vest in four equal installments on January 1, 2019, 2020, 2021 and 2022; (c) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (d) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (e) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; (continued in footnote 3 below)"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continuation of footnote 2 above) (f) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019; (g) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (h) 25,029 shares of common stock held by the Reporting Person."}],"balance_after":374315,"source":{"system":"sec-edgar","filing":"0001209191-18-044102","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118044102/doc4.xml","form_type":"4"}},{"id":3863009,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-23T20:54:04.000Z","date":"2018-07-23","kind":"sale","acquired":false,"shares":1465,"price":5.25,"value":7691.25,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 30,599 shares of common stock held by the Reporting Person."}],"balance_after":379885,"source":{"system":"sec-edgar","filing":"0001209191-18-043624","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118043624/doc4.xml","form_type":"4"}},{"id":3863008,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-23T20:54:04.000Z","date":"2018-07-19","kind":"sale","acquired":false,"shares":1100,"price":5.25,"value":5775.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) a deferred stock award of 40,000 restricted stock units with performance based vesting conditions, which shall vest in three equal installments on May 24, 2019, May 24, 2020 and May 24, 2021, contingent upon achievement of a performance condition tied to relative total shareholder return; (b) a deferred stock award of 40,000 restricted stock units which vest in four equal installments on January 1, 2019, 2020, 2021 and 2022; (c) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (d) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (e) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; (continued in footnote 3 below)"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continuation of footnote 2 above) (f) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019; (g) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (h) 32,064 shares of common stock held by the Reporting Person."}],"balance_after":381350,"source":{"system":"sec-edgar","filing":"0001209191-18-043624","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118043624/doc4.xml","form_type":"4"}},{"id":3867439,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock option (right to buy)","published_at":"2018-07-16T21:10:33.000Z","date":"2018-07-12","kind":"exercise","acquired":false,"shares":5828,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option vested in four equal annual installments on each of January 1, 2015, 2016, 2017 and 2018."}],"balance_after":40000,"derivative":{"exercise_price":4.12,"expiration_date":"2024-05-30","underlying":"Common Stock, par value $0.01 per share","underlying_shares":45828},"source":{"system":"sec-edgar","filing":"0001209191-18-042657","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042657/doc4.xml","form_type":"4"}},{"id":3867438,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-16T21:10:33.000Z","date":"2018-07-13","kind":"sale","acquired":false,"shares":1062,"price":5.25,"value":5575.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 33,164 shares of common stock held by the Reporting Person."}],"balance_after":382450,"source":{"system":"sec-edgar","filing":"0001209191-18-042657","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042657/doc4.xml","form_type":"4"}},{"id":3867437,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-16T21:10:33.000Z","date":"2018-07-12","kind":"sale","acquired":false,"shares":9145,"price":5.25,"value":48011.25,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 34,226 shares of common stock held by the Reporting Person."}],"balance_after":383512,"source":{"system":"sec-edgar","filing":"0001209191-18-042657","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042657/doc4.xml","form_type":"4"}},{"id":3867436,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-16T21:10:33.000Z","date":"2018-07-12","kind":"exercise","acquired":true,"shares":5828,"price":4.12,"value":24011.36,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) a deferred stock award of 40,000 restricted stock units with performance based vesting conditions, which shall vest in three equal installments on May 24, 2019, May 24, 2020 and May 24, 2021, contingent upon achievement of a performance condition tied to relative total shareholder return; (b) a deferred stock award of 40,000 restricted stock units which vest in four equal installments on January 1, 2019, 2020, 2021 and 2022; (c) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (d) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (e) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; (continued in footnote 3 below)"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continuation of footnote 2 above) (f) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019; (g) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (h) 43,371 shares of common stock held by the Reporting Person."}],"balance_after":392657,"source":{"system":"sec-edgar","filing":"0001209191-18-042657","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042657/doc4.xml","form_type":"4"}},{"id":3869532,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock option (right to buy)","published_at":"2018-07-12T01:45:17.000Z","date":"2018-07-11","kind":"exercise","acquired":false,"shares":54172,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F14","text":"The option vested in four equal annual installments on each of January 1, 2015, 2016, 2017 and 2018."}],"balance_after":45828,"derivative":{"exercise_price":4.12,"expiration_date":"2024-05-30","underlying":"Common Stock, par value $0.01 per share","underlying_shares":100000},"source":{"system":"sec-edgar","filing":"0001209191-18-042413","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042413/doc4.xml","form_type":"4"}},{"id":3869531,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"stock option (right to buy)","published_at":"2018-07-12T01:45:17.000Z","date":"2018-07-11","kind":"exercise","acquired":false,"shares":62100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F13","text":"The option vested in four equal annual installments on each of November 18, 2014, 2015, 2016 and 2017."}],"balance_after":60000,"derivative":{"exercise_price":4.31,"expiration_date":"2023-11-18","underlying":"Common Stock, par value $0.01 per share","underlying_shares":122100},"source":{"system":"sec-edgar","filing":"0001209191-18-042413","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042413/doc4.xml","form_type":"4"}},{"id":3869530,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock option (right to buy)","published_at":"2018-07-12T01:45:17.000Z","date":"2018-07-10","kind":"exercise","acquired":false,"shares":13700,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F13","text":"The option vested in four equal annual installments on each of November 18, 2014, 2015, 2016 and 2017."}],"balance_after":122100,"derivative":{"exercise_price":4.31,"expiration_date":"2023-11-18","underlying":"Common Stock, par value $0.01 per share","underlying_shares":135800},"source":{"system":"sec-edgar","filing":"0001209191-18-042413","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042413/doc4.xml","form_type":"4"}},{"id":3869529,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock option (right to buy)","published_at":"2018-07-12T01:45:17.000Z","date":"2018-07-09","kind":"exercise","acquired":false,"shares":14200,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F13","text":"The option vested in four equal annual installments on each of November 18, 2014, 2015, 2016 and 2017."}],"balance_after":135800,"derivative":{"exercise_price":4.31,"expiration_date":"2023-11-18","underlying":"Common Stock, par value $0.01 per share","underlying_shares":150000},"source":{"system":"sec-edgar","filing":"0001209191-18-042413","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042413/doc4.xml","form_type":"4"}},{"id":3869528,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-12T01:45:17.000Z","date":"2018-07-11","kind":"sale","acquired":false,"shares":141300,"price":5.23,"value":738999.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.20 to $5.30, inclusive. The Reporting Person undertakes to provide to 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 the ranges set forth in this footnote (11)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F12","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 37,543 shares of common stock held by the Reporting Person."}],"balance_after":386829,"source":{"system":"sec-edgar","filing":"0001209191-18-042413","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042413/doc4.xml","form_type":"4"}},{"id":3869527,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-12T01:45:17.000Z","date":"2018-07-11","kind":"exercise","acquired":true,"shares":54172,"price":4.12,"value":223188.64,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F10","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 178,843 shares of common stock held by the Reporting Person."}],"balance_after":528129,"source":{"system":"sec-edgar","filing":"0001209191-18-042413","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042413/doc4.xml","form_type":"4"}},{"id":3869526,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-12T01:45:17.000Z","date":"2018-07-11","kind":"exercise","acquired":true,"shares":62100,"price":4.31,"value":267651.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F9","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 124,671 shares of common stock held by the Reporting Person."}],"balance_after":473957,"source":{"system":"sec-edgar","filing":"0001209191-18-042413","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042413/doc4.xml","form_type":"4"}},{"id":3869525,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-12T01:45:17.000Z","date":"2018-07-10","kind":"sale","acquired":false,"shares":13700,"price":5.38,"value":73706.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.275 to $5.45, inclusive. The Reporting Person undertakes to provide to 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 the ranges set forth in this footnote (7)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 62,571 shares of common stock held by the Reporting Person."}],"balance_after":411857,"source":{"system":"sec-edgar","filing":"0001209191-18-042413","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042413/doc4.xml","form_type":"4"}},{"id":3869524,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-12T01:45:17.000Z","date":"2018-07-10","kind":"exercise","acquired":true,"shares":13700,"price":4.31,"value":59047.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 76,271 shares of common stock held by the Reporting Person."}],"balance_after":425557,"source":{"system":"sec-edgar","filing":"0001209191-18-042413","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042413/doc4.xml","form_type":"4"}},{"id":3869523,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-12T01:45:17.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":14200,"price":5.41,"value":76822.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"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 $5.40 to $5.55, inclusive. The Reporting Person undertakes to provide to 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 the ranges set forth in this footnote (4)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes the awards referenced in clauses (a) through (g) of footnotes (2) and (3) above plus 62,571 shares of common stock held by the Reporting Person."}],"balance_after":411857,"source":{"system":"sec-edgar","filing":"0001209191-18-042413","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042413/doc4.xml","form_type":"4"}},{"id":3869522,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-07-12T01:45:17.000Z","date":"2018-07-09","kind":"exercise","acquired":true,"shares":14200,"price":4.31,"value":61202.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The option exercises and sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) a deferred stock award of 40,000 restricted stock units with performance based vesting conditions, which shall vest in three equal installments on May 24, 2019, May 24, 2020 and May 24, 2021, contingent upon achievement of a performance condition tied to relative total shareholder return; (b) a deferred stock award of 40,000 restricted stock units which vest in four equal installments on January 1, 2019, 2020, 2021 and 2022; (c) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (d) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (e) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; (continued in footnote 3 below)"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continuation of footnote 2 above) (f) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019; (g) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (h) 76,771 shares of common stock held by the Reporting Person."}],"balance_after":426057,"source":{"system":"sec-edgar","filing":"0001209191-18-042413","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118042413/doc4.xml","form_type":"4"}},{"id":3915786,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-05-29T20:08:58.000Z","date":"2018-05-24","kind":"grant","acquired":true,"shares":40000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents a deferred stock award of 40,000 restricted stock units with performance based vesting conditions. These restricted stock units shall vest in three equal annual installments on May 24, 2019, May 24, 2020 and May 24, 2021, and are linked to the achievement of a relative total shareholder return of the Issuer's common stock from May 24, 2018 to the earlier of (i) May 24, 2019 or (ii) upon a change of control (measured relative to the NASDAQ Biotechnology index and based on the 20-day trading average price before each such date). The target number of these restricted stock units that may be earned is reported above; the maximum amount is 150% of the number reported."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes (a) a deferred stock award of 40,000 restricted stock units with performance based vesting conditions, which shall vest in three equal installments on May 24, 2019, May 24, 2020 and May 24, 2021, contingent upon achievement of a performance condition tied to relative total shareholder return; and (b) all awards and common stock held by the Reporting Person as described in footnote 2 above."}],"balance_after":411857,"source":{"system":"sec-edgar","filing":"0001209191-18-033771","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118033771/doc4.xml","form_type":"4"}},{"id":3915785,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-05-29T20:08:58.000Z","date":"2018-05-24","kind":"grant","acquired":true,"shares":40000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a deferred stock award of 40,000 restricted stock units which shall vest in four equal installments on January 1, 2019, 2020, 2021 and 2022."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) a deferred stock award of 40,000 restricted stock units which vest in four equal installments on January 1, 2019, 2020, 2021 and 2022; (b) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (c) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (d) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; (e) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019; (f) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (g) 62,571 shares of common stock held by the Reporting Person."}],"balance_after":371857,"source":{"system":"sec-edgar","filing":"0001209191-18-033771","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118033771/doc4.xml","form_type":"4"}},{"id":3942847,"issuer":{"id":7369,"kind":"organization","name":"HARVARD BIOSCIENCE INC"},"owners":[{"id":28521,"kind":"person","name":"Gagnon Robert E.","position":1,"cik":"0001504983","reported_name":"Gagnon Robert E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-05-08T20:19:02.000Z","date":"2018-05-06","kind":"tax_withholding","acquired":false,"shares":26081,"price":5,"value":130405.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares were disposed to satisfy the Reporting Person's tax withholding obligation in connection with deferred stock awards previously granted to the Reporting Person which vested on May 6, 2018."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (b) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (c) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; (d) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019; (e) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (f) 62,571 shares of common stock held by the Reporting Person."}],"balance_after":331857,"source":{"system":"sec-edgar","filing":"0001209191-18-028568","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1123494/000120919118028568/doc4.xml","form_type":"4"}}],"next_cursor":"2018-05-08T20:19:02.000000Z,3942847"}