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Merger Agreement, at the Effective Time, each option to purchase shares of Common Stock (\"Stock Option\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such Stock Option, an amount in cash (less any applicable withholding taxes) equal to (i) the total number of shares of Common Stock subject to such Stock Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Common Stock under such Stock Option."}],"balance_after":0,"derivative":{"exercise_price":11.21,"expiration_date":"2028-06-20","underlying":"Common Stock","underlying_shares":18000},"source":{"system":"sec-edgar","filing":"0001104659-24-014718","document":"tm245865-15_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/855654/000110465924014718/tm245865-15_4seq1.xml","form_type":"4"}},{"id":1650482,"issuer":{"id":94428,"kind":"organization","name":"ImmunoGen, Inc.","symbol":"IMGN"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2024-02-12T16:48:14.000Z","date":"2024-02-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":10000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Pursuant to the Merger Agreement, at the Effective Time, each option to purchase shares of Common Stock (\"Stock Option\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such Stock Option, an amount in cash (less any applicable withholding taxes) equal to (i) the total number of shares of Common Stock subject to such Stock Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Common Stock under such Stock Option."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Pursuant to the Merger Agreement, at the Effective Time, each option to purchase shares of Common Stock (\"Stock Option\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such Stock Option, an amount in cash (less any applicable withholding taxes) equal to (i) the total number of shares of Common Stock subject to such Stock Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Common Stock under such Stock Option."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Pursuant to the Merger Agreement, at the Effective Time, each option to purchase shares of Common Stock (\"Stock Option\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such Stock Option, an amount in cash (less any applicable withholding taxes) equal to (i) the total number of shares of Common Stock subject to such Stock Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Common Stock under such Stock Option."}],"balance_after":0,"derivative":{"exercise_price":4.64,"expiration_date":"2027-06-13","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001104659-24-014718","document":"tm245865-15_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/855654/000110465924014718/tm245865-15_4seq1.xml","form_type":"4"}},{"id":1650481,"issuer":{"id":94428,"kind":"organization","name":"ImmunoGen, Inc.","symbol":"IMGN"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson 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Merger Consideration over the applicable exercise price per share of Common Stock under such Stock Option."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Pursuant to the Merger Agreement, at the Effective Time, each option to purchase shares of Common Stock (\"Stock Option\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such Stock Option, an amount in cash (less any applicable withholding taxes) equal to (i) the total number of shares of Common Stock subject to such Stock Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Common Stock under such Stock Option."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Pursuant to the Merger Agreement, at the Effective Time, each option to purchase shares of Common Stock (\"Stock Option\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such Stock Option, an amount in cash (less any applicable withholding taxes) equal to (i) the total number of shares of Common Stock subject to such Stock Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Common Stock under such Stock Option."}],"balance_after":0,"derivative":{"exercise_price":1.84,"expiration_date":"2026-12-09","underlying":"Common 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Effective Time, each deferred share unit (\"DSU\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such DSU, an amount in cash (less any applicable withholding taxes) equal to (i) the number of shares of Common Stock subject to such DSU immediately prior to the Effective Time, multiplied by (ii) the Merger Consideration."},{"field":"kind","element":"transactionCoding","label":"F3","text":"Pursuant to the Merger Agreement, at the Effective Time, each deferred share unit (\"DSU\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such DSU, an amount in cash (less any applicable withholding taxes) equal to (i) the number of shares of Common Stock subject to such DSU immediately prior to the Effective Time, multiplied by (ii) the Merger Consideration."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Pursuant to the Merger Agreement, at the Effective Time, each deferred share unit (\"DSU\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such DSU, an amount in cash (less any applicable withholding taxes) equal to (i) the number of shares of Common Stock subject to such DSU immediately prior to the Effective Time, multiplied by (ii) the Merger Consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to the Merger Agreement, at the Effective Time, each deferred share unit (\"DSU\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such DSU, an amount in cash (less any applicable withholding taxes) equal to (i) the number of shares of Common Stock subject to such DSU immediately prior to the Effective Time, multiplied by (ii) the Merger Consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Pursuant to the Merger Agreement, at the Effective Time, each deferred share unit (\"DSU\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such DSU, an amount in cash (less any applicable withholding taxes) equal to (i) the number of shares of Common Stock subject to such DSU immediately prior to the Effective Time, multiplied by (ii) the Merger Consideration."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":74954},"source":{"system":"sec-edgar","filing":"0001104659-24-014718","document":"tm245865-15_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855654/000110465924014718/tm245865-15_4seq1.xml","form_type":"4"}},{"id":1650479,"issuer":{"id":94428,"kind":"organization","name":"ImmunoGen, Inc.","symbol":"IMGN"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2024-02-12T16:48:14.000Z","date":"2024-02-12","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":13090,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated November 30, 2023, by and among the Issuer, AbbVie Inc., a Delaware corporation (\"AbbVie\"), Athene Subsidiary LLC, a Delaware limited liability company and wholly owned subsidiary of AbbVie (\"Intermediate Sub\"), and Athene Merger Sub Inc., a Massachusetts corporation and wholly owned subsidiary of Intermediate Sub (\"Purchaser\"), pursuant to which Purchaser merged with and into the Issuer with the Issuer continuing as the surviving corporation (the \"Merger\")."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"At the effective time of the Merger (the \"Effective Time\"), each restricted stock unit (\"RSU\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such RSU, an amount in cash (less any applicable withholding taxes) equal to (i) the number of shares of common stock, par value $.01 per share, of the Issuer (\"Common Stock\") subject to such RSU immediately prior to the Effective Time, multiplied by (ii) $31.26, without interest (the \"Merger Consideration\")."},{"field":"kind","element":"transactionCoding","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated November 30, 2023, by and among the Issuer, AbbVie Inc., a Delaware corporation (\"AbbVie\"), Athene Subsidiary LLC, a Delaware limited liability company and wholly owned subsidiary of AbbVie (\"Intermediate Sub\"), and Athene Merger Sub Inc., a Massachusetts corporation and wholly owned subsidiary of Intermediate Sub (\"Purchaser\"), pursuant to which Purchaser merged with and into the Issuer with the Issuer continuing as the surviving corporation (the \"Merger\")."},{"field":"kind","element":"transactionCoding","label":"F2","text":"At the effective time of the Merger (the \"Effective Time\"), each restricted stock unit (\"RSU\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such RSU, an amount in cash (less any applicable withholding taxes) equal to (i) the number of shares of common stock, par value $.01 per share, of the Issuer (\"Common Stock\") subject to such RSU immediately prior to the Effective Time, multiplied by (ii) $31.26, without interest (the \"Merger Consideration\")."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated November 30, 2023, by and among the Issuer, AbbVie Inc., a Delaware corporation (\"AbbVie\"), Athene Subsidiary LLC, a Delaware limited liability company and wholly owned subsidiary of AbbVie (\"Intermediate Sub\"), and Athene Merger Sub Inc., a Massachusetts corporation and wholly owned subsidiary of Intermediate Sub (\"Purchaser\"), pursuant to which Purchaser merged with and into the Issuer with the Issuer continuing as the surviving corporation (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"At the effective time of the Merger (the \"Effective Time\"), each restricted stock unit (\"RSU\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such RSU, an amount in cash (less any applicable withholding taxes) equal to (i) the number of shares of common stock, par value $.01 per share, of the Issuer (\"Common Stock\") subject to such RSU immediately prior to the Effective Time, multiplied by (ii) $31.26, without interest (the \"Merger Consideration\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated November 30, 2023, by and among the Issuer, AbbVie Inc., a Delaware corporation (\"AbbVie\"), Athene Subsidiary LLC, a Delaware limited liability company and wholly owned subsidiary of AbbVie (\"Intermediate Sub\"), and Athene Merger Sub Inc., a Massachusetts corporation and wholly owned subsidiary of Intermediate Sub (\"Purchaser\"), pursuant to which Purchaser merged with and into the Issuer with the Issuer continuing as the surviving corporation (the \"Merger\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"At the effective time of the Merger (the \"Effective Time\"), each restricted stock unit (\"RSU\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such RSU, an amount in cash (less any applicable withholding taxes) equal to (i) the number of shares of common stock, par value $.01 per share, of the Issuer (\"Common Stock\") subject to such RSU immediately prior to the Effective Time, multiplied by (ii) $31.26, without interest (the \"Merger Consideration\")."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated November 30, 2023, by and among the Issuer, AbbVie Inc., a Delaware corporation (\"AbbVie\"), Athene Subsidiary LLC, a Delaware limited liability company and wholly owned subsidiary of AbbVie (\"Intermediate Sub\"), and Athene Merger Sub Inc., a Massachusetts corporation and wholly owned subsidiary of Intermediate Sub (\"Purchaser\"), pursuant to which Purchaser merged with and into the Issuer with the Issuer continuing as the surviving corporation (the \"Merger\")."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"At the effective time of the Merger (the \"Effective Time\"), each restricted stock unit (\"RSU\") granted prior to the date of the Merger Agreement that was outstanding immediately prior to the Effective Time was canceled, and the Reporting Person was entitled to receive (without interest), in consideration of the cancellation of such RSU, an amount in cash (less any applicable withholding taxes) equal to (i) the number of shares of common stock, par value $.01 per share, of the Issuer (\"Common Stock\") subject to such RSU immediately prior to the Effective Time, multiplied by (ii) $31.26, without interest (the \"Merger Consideration\")."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":13090},"source":{"system":"sec-edgar","filing":"0001104659-24-014718","document":"tm245865-15_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855654/000110465924014718/tm245865-15_4seq1.xml","form_type":"4"}},{"id":1722808,"issuer":{"id":94428,"kind":"organization","name":"ImmunoGen, Inc.","symbol":"IMGN"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson 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on June 11, 2023 pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This option was granted on 11/11/2014 and is fully vested as of the transaction date."}],"balance_after":0,"derivative":{"exercise_price":10.1,"expiration_date":"2024-11-11","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001415889-23-015908","document":"form4-12062023_021230.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/855654/000141588923015908/form4-12062023_021230.xml","form_type":"4"}},{"id":1722806,"issuer":{"id":94428,"kind":"organization","name":"ImmunoGen, Inc.","symbol":"IMGN"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson 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These shares were sold in multiple transactions at prices ranging from $28.80 to $29.25, 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 these ranges."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001415889-23-015908","document":"form4-12062023_021230.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/855654/000141588923015908/form4-12062023_021230.xml","form_type":"4"}},{"id":1722805,"issuer":{"id":94428,"kind":"organization","name":"ImmunoGen, Inc.","symbol":"IMGN"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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the Effective Time, each option to purchase shares of Company Common Stock granted under an Issuer equity plan (each, a \"Company Stock Option\") that was then outstanding that has an exercise price per share of Company Common Stock that is greater than $3.00 was cancelled for no consideration."}],"balance_after":0,"derivative":{"exercise_price":15.17,"expiration_date":"2026-03-30","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0000899243-23-019363","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1178711/000089924323019363/doc4.xml","form_type":"4"}},{"id":1775674,"issuer":{"id":109529,"kind":"organization","name":"Paratek Pharmaceuticals, Inc.","symbol":"PRTK"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson 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Merger."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-019363","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1178711/000089924323019363/doc4.xml","form_type":"4"}},{"id":1775668,"issuer":{"id":109529,"kind":"organization","name":"Paratek Pharmaceuticals, Inc.","symbol":"PRTK"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-09-21T13:21:47.000Z","date":"2023-09-21","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":59000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger (the \"Merger Agreement\"), dated as of June 6, 2023, by and among the Issuer, Resistance Acquisition, Inc. (\"Parent\"), and Resistance Merger Sub, Inc., a wholly owned subsidiary of Parent (\"Merger Sub\"), pursuant to which Merger Sub merged with and into Issuer with the Issuer being the surviving corporation (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"(Continued from Footnote 1) Pursuant to the Merger Agreement, as of the effective time of the Merger (the \"Effective Time\"), each issued and outstanding share of common stock of the Issuer (\"Company Common Stock\") was cancelled and retired and automatically converted into the right to receive (x) $2.15, payable to the holder thereof in cash, without interest (the \"Cash Consideration\") but subject to reduction for any applicable withholding taxes payable in respect thereof and (y) one (1) contractual contingent value right  (a \"CVR Payment\") that represents the right to receive $0.85 upon satisfaction of certain conditions set forth in a Contingent Value Rights Agreement, dated September 21, 2023, by and between Parent and Equiniti Trust Company, LLC."}],"balance_after":20000,"source":{"system":"sec-edgar","filing":"0000899243-23-019363","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1178711/000089924323019363/doc4.xml","form_type":"4"}},{"id":1781459,"issuer":{"id":94428,"kind":"organization","name":"ImmunoGen, Inc.","symbol":"IMGN"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2023-09-14T17:31:30.000Z","date":"2023-09-13","kind":"exercise","planned":false,"acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effected pursuant to a trading plan adopted on June 11, 2023 pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This option was granted on 11/12/2013 and is fully vested as of the transaction date."}],"balance_after":0,"derivative":{"exercise_price":14.7,"expiration_date":"2023-11-12","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001415889-23-013292","document":"form4-09142023_090924.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/855654/000141588923013292/form4-09142023_090924.xml","form_type":"4"}},{"id":1781458,"issuer":{"id":94428,"kind":"organization","name":"ImmunoGen, Inc.","symbol":"IMGN"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-09-14T17:31:30.000Z","date":"2023-09-13","kind":"exercise","planned":false,"acquired":false,"shares":10000,"price":16.08,"value":160800.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effected pursuant to a trading plan adopted on June 11, 2023 pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.00 to $16.17, 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 these ranges."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001415889-23-013292","document":"form4-09142023_090924.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855654/000141588923013292/form4-09142023_090924.xml","form_type":"4"}},{"id":1781457,"issuer":{"id":94428,"kind":"organization","name":"ImmunoGen, Inc.","symbol":"IMGN"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-09-14T17:31:30.000Z","date":"2023-09-13","kind":"exercise","planned":false,"acquired":true,"shares":10000,"price":14.7,"value":147000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effected pursuant to a trading plan adopted on June 11, 2023 pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended."}],"balance_after":10000,"source":{"system":"sec-edgar","filing":"0001415889-23-013292","document":"form4-09142023_090924.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855654/000141588923013292/form4-09142023_090924.xml","form_type":"4"}},{"id":1853410,"issuer":{"id":94428,"kind":"organization","name":"ImmunoGen, Inc.","symbol":"IMGN"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-06-16T16:45:53.000Z","date":"2023-06-14","kind":"grant","planned":false,"acquired":true,"shares":19597,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The stock options were issued pursuant to the Issuer's Compensation Policy for Non-Employee Directors, as amended, and the 2018 Employee, Director and Consultant Equity Incentive Plan, as amended."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The stock options vest ratably on each of 9/1/23, 12/1/23, 3/1/24, and 6/1/24, contingent upon the individual remaining a director as of each vesting date."}],"balance_after":19597,"derivative":{"exercise_price":17.72,"expiration_date":"2033-06-14","underlying":"Common Stock","underlying_shares":19597},"source":{"system":"sec-edgar","filing":"0001415889-23-009948","document":"form4-06162023_080650.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/855654/000141588923009948/form4-06162023_080650.xml","form_type":"4"}},{"id":1853409,"issuer":{"id":94428,"kind":"organization","name":"ImmunoGen, Inc.","symbol":"IMGN"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2023-06-16T16:45:53.000Z","date":"2023-06-14","kind":"grant","planned":false,"acquired":true,"shares":13090,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The restricted stock units (\"RSUs\") were issued pursuant to the Issuer's Compensation Policy for Non-Employee Directors, as amended, and the 2018 Employee, Director and Consultant Equity Incentive Plan, as amended. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The restricted stock units (\"RSUs\") were issued pursuant to the Issuer's Compensation Policy for Non-Employee Directors, as amended, and the 2018 Employee, Director and Consultant Equity Incentive Plan, as amended. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest on the one-year anniversary of the date of grant, contingent upon the individual remaining a director as of the vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest on the one-year anniversary of the date of grant, contingent upon the individual remaining a director as of the vesting date."}],"balance_after":13090,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":13090},"source":{"system":"sec-edgar","filing":"0001415889-23-009948","document":"form4-06162023_080650.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/855654/000141588923009948/form4-06162023_080650.xml","form_type":"4"}},{"id":1969564,"issuer":{"id":5673,"kind":"organization","name":"ENANTA PHARMACEUTICALS INC"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-03-06T22:19:12.000Z","date":"2023-03-02","kind":"grant","acquired":true,"shares":10800,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Such option will become exercisable monthly in substantially equal installments over one year, beginning from the date of grant (March 2, 2023), with the final monthly installment vesting on the nearest trading day on the Nasdaq Global Select Market preceding the 2024 annual meeting of stockholders."}],"balance_after":10800,"derivative":{"exercise_price":47.72,"expiration_date":"2033-03-02","underlying":"Common Stock","underlying_shares":10800},"source":{"system":"sec-edgar","filing":"0001062993-23-006093","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1177648/000106299323006093/form4.xml","form_type":"4"}},{"id":2025003,"issuer":{"id":109529,"kind":"organization","name":"Paratek Pharmaceuticals, Inc.","symbol":"PRTK"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-02-09T21:43:33.000Z","date":"2023-02-08","kind":"grant","acquired":true,"shares":20000,"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 Paratek Pharmaceuticals, Inc. 2015 Equity Incentive Plan. Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock. 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The RSUs vest in equal annual installments over a three-year period, with each installment vesting upon the earlier of (i) the anniversary of the grant date of June 27, 2022 or (ii) the Issuer's annual general meeting of shareholders in such year."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share."}],"balance_after":93750,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":93750},"source":{"system":"sec-edgar","filing":"0001562180-22-005404","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/897448/000156218022005404/primarydocument.xml","form_type":"4"}},{"id":2219614,"issuer":{"id":5970,"kind":"organization","name":"AMARIN CORP PLC\\UK"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2022-06-30T00:06:54.000Z","date":"2022-06-27","kind":"grant","acquired":true,"shares":115919,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On June 27, 2022, the Reporting Person was granted an option to purchase 115,919 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the \"Plan\"). 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The DSUs vested in full on June 21, 2019 and will be settled solely in shares of the Company's common stock upon the earliest to occur of: (i) the reporting person's termination of service on the Company's Board of Directors and (ii) the occurrence of a \"change in control\" (as defined in the applicable award agreement) that constitutes a \"change in the ownership or effective control of\" the Company or \"a change in the ownership of a substantial portion of the assets of\" the Company, in each case, as determined under Section 409A of the Internal Revenue Code of 1986, as amended, and the regulations issued thereunder."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On June 21, 2018, the reporting person was granted 6,667 DSUs. 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These shares were sold in multiple transactions at prices ranging from $20.00 to $20.25, 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 range."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-19-012806","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/897448/000120919119012806/doc4.xml","form_type":"4"}},{"id":3639914,"issuer":{"id":5970,"kind":"organization","name":"AMARIN CORP PLC\\UK"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary 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The RSUs vest in equal annual installments over a three-year period, with each installment vesting upon the earlier of (i) the anniversary of the grant date of May 14, 2018 or (ii) the Issuer's annual general meeting of shareholders in such year."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Not applicable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share."}],"balance_after":31153,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":31153},"source":{"system":"sec-edgar","filing":"0001209191-18-053474","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/897448/000120919118053474/doc4.xml","form_type":"4"}},{"id":3803057,"issuer":{"id":5970,"kind":"organization","name":"AMARIN CORP PLC\\UK"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2018-10-02T23:08:32.000Z","date":"2018-05-14","kind":"grant","acquired":true,"shares":46973,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On May 14, 2018, the Reporting Person was granted an option to purchase 46,973 Ordinary Shares under the Amarin Corporation plc 2011 Stock Incentive Plan (the \"Plan\"). The option shall vest and become exercisable in a single annual installment upon the earlier of (i) the anniversary of the grant date of May 14, 2018 or (ii) the Issuer's annual general meeting of shareholders in 2019."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share."}],"balance_after":46973,"derivative":{"exercise_price":3.21,"expiration_date":"2028-05-14","underlying":"Ordinary Shares","underlying_shares":46973},"source":{"system":"sec-edgar","filing":"0001209191-18-053474","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/897448/000120919118053474/doc4.xml","form_type":"4"}},{"id":3883000,"issuer":{"id":5702,"kind":"organization","name":"EyePoint, Inc."},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Employee Stock Option (right to buy)","published_at":"2018-06-26T18:14:45.000Z","date":"2018-06-21","kind":"grant","acquired":true,"shares":40000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option becomes exercisable in two equal annual installments beginning on June 21, 2019."}],"balance_after":40000,"derivative":{"exercise_price":1.95,"expiration_date":"2028-06-21","underlying":"Common Stock","underlying_shares":40000},"source":{"system":"sec-edgar","filing":"0000899243-18-018100","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1508596/000089924318018100/doc4.xml","form_type":"4"}},{"id":3882999,"issuer":{"id":5702,"kind":"organization","name":"EyePoint, Inc."},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Stock Units","published_at":"2018-06-26T18:14:45.000Z","date":"2018-06-21","kind":"grant","acquired":true,"shares":6667,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each deferred stock unit represents the right to receive one share of the common stock of EyePoint Pharmaceuticals, Inc. 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The stock option shall vest as to 1/12 of the shares subject to the stock option on the one-month anniversary following February 14, 2018, and on the same calendar date of each successive month thereafter until fully vested, subject to the Reporting Person's continued service with the Issuer through each vesting date."}],"balance_after":5000,"derivative":{"exercise_price":14.15,"expiration_date":"2028-02-14","underlying":"Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000904454-18-000201","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1178711/000090445418000201/edgar.xml","form_type":"4"}},{"id":4052258,"issuer":{"id":109529,"kind":"organization","name":"Paratek Pharmaceuticals, Inc.","symbol":"PRTK"},"owners":[{"id":36325,"kind":"person","name":"Peterson Kristine","position":1,"cik":"0001508596","reported_name":"Peterson Kristine","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-02-16T17:22:26.000Z","date":"2018-02-14","kind":"grant","acquired":true,"shares":7500,"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 Paratek Pharmaceuticals, Inc. 2015 Equity Incentive Plan, pursuant to the Paratek Pharmaceuticals, Inc. 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