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(\"Merger Sub\"), a wholly owned subsidiary of Parent, pursuant to which, at 12:01 a.m. EST on December 14, 2023, the effective time of the Merger (the \"Effective Time\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit granted in August 2023 (each, a \"Company August 2023 PSU\") that was unvested as of immediately prior to the Effective Time, was cancelled and converted into the right to receive a Parent cash-based award with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company August 2023 PSU, based on target performance."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit granted in August 2023 (each, a \"Company August 2023 PSU\") that was unvested as of immediately prior to the Effective Time, was cancelled and converted into the right to receive a Parent cash-based award with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company August 2023 PSU, based on target performance."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit granted in August 2023 (each, a \"Company August 2023 PSU\") that was unvested as of immediately prior to the Effective Time, was cancelled and converted into the right to receive a Parent cash-based award with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company August 2023 PSU, based on target performance."}],"balance_after":0,"derivative":{"underlying":"Common stock","underlying_shares":7930},"source":{"system":"sec-edgar","filing":"0000950170-23-070873","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000095017023070873/ownership.xml","form_type":"4"}},{"id":1709894,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Performance Stock Units","published_at":"2023-12-15T18:29:19.000Z","date":"2023-12-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":13217,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit granted in August 2023 (each, a \"Company August 2023 PSU\") that was unvested as of immediately prior to the Effective Time, was cancelled and converted into the right to receive a Parent cash-based award with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company August 2023 PSU, based on target performance."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the disposition of shares of common stock, par value $0.001 per share (\"Common Stock\"), of Seagen Inc. (\"Issuer\"), or of equity awards in respect of such Common Stock, as applicable, in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of March 12, 2023 (the \"Merger Agreement\"), by and among the Issuer, Pfizer Inc. (\"Parent\") and Aris Merger Sub, Inc. (\"Merger Sub\"), a wholly owned subsidiary of Parent, pursuant to which, at 12:01 a.m. EST on December 14, 2023, the effective time of the Merger (the \"Effective Time\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit granted in August 2023 (each, a \"Company August 2023 PSU\") that was unvested as of immediately prior to the Effective Time, was cancelled and converted into the right to receive a Parent cash-based award with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company August 2023 PSU, based on target performance."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit granted in August 2023 (each, a \"Company August 2023 PSU\") that was unvested as of immediately prior to the Effective Time, was cancelled and converted into the right to receive a Parent cash-based award with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company August 2023 PSU, based on target performance."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit granted in August 2023 (each, a \"Company August 2023 PSU\") that was unvested as of immediately prior to the Effective Time, was cancelled and converted into the right to receive a Parent cash-based award with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company August 2023 PSU, based on target performance."}],"balance_after":0,"derivative":{"underlying":"Common stock","underlying_shares":13217},"source":{"system":"sec-edgar","filing":"0000950170-23-070873","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000095017023070873/ownership.xml","form_type":"4"}},{"id":1709893,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Performance Stock Units","published_at":"2023-12-15T18:29:19.000Z","date":"2023-12-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":5286,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F7","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit granted in August 2023 (each, a \"Company August 2023 PSU\") that was unvested as of immediately prior to the Effective Time, was cancelled and converted into the right to receive a Parent cash-based award with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company August 2023 PSU, based on target performance."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the disposition of shares of common stock, par value $0.001 per share (\"Common Stock\"), of Seagen Inc. (\"Issuer\"), or of equity awards in respect of such Common Stock, as applicable, in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of March 12, 2023 (the \"Merger Agreement\"), by and among the Issuer, Pfizer Inc. (\"Parent\") and Aris Merger Sub, Inc. (\"Merger Sub\"), a wholly owned subsidiary of Parent, pursuant to which, at 12:01 a.m. EST on December 14, 2023, the effective time of the Merger (the \"Effective Time\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit granted in August 2023 (each, a \"Company August 2023 PSU\") that was unvested as of immediately prior to the Effective Time, was cancelled and converted into the right to receive a Parent cash-based award with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company August 2023 PSU, based on target performance."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit granted in August 2023 (each, a \"Company August 2023 PSU\") that was unvested as of immediately prior to the Effective Time, was cancelled and converted into the right to receive a Parent cash-based award with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company August 2023 PSU, based on target performance."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit granted in August 2023 (each, a \"Company August 2023 PSU\") that was unvested as of immediately prior to the Effective Time, was cancelled and converted into the right to receive a Parent cash-based award with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company August 2023 PSU, based on target performance."}],"balance_after":0,"derivative":{"underlying":"Common stock","underlying_shares":5286},"source":{"system":"sec-edgar","filing":"0000950170-23-070873","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000095017023070873/ownership.xml","form_type":"4"}},{"id":1709892,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Performance Stock Units","published_at":"2023-12-15T18:29:19.000Z","date":"2023-12-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":3965,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the disposition of shares of common stock, par value $0.001 per share (\"Common Stock\"), of Seagen Inc. (\"Issuer\"), or of equity awards in respect of such Common Stock, as applicable, in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of March 12, 2023 (the \"Merger Agreement\"), by and among the Issuer, Pfizer Inc. (\"Parent\") and Aris Merger Sub, Inc. (\"Merger Sub\"), a wholly owned subsidiary of Parent, pursuant to which, at 12:01 a.m. EST on December 14, 2023, the effective time of the Merger (the \"Effective Time\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."}],"balance_after":0,"derivative":{"underlying":"Common stock","underlying_shares":3965},"source":{"system":"sec-edgar","filing":"0000950170-23-070873","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000095017023070873/ownership.xml","form_type":"4"}},{"id":1709891,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Performance Stock Units","published_at":"2023-12-15T18:29:19.000Z","date":"2023-12-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":6608,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the disposition of shares of common stock, par value $0.001 per share (\"Common Stock\"), of Seagen Inc. (\"Issuer\"), or of equity awards in respect of such Common Stock, as applicable, in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of March 12, 2023 (the \"Merger Agreement\"), by and among the Issuer, Pfizer Inc. (\"Parent\") and Aris Merger Sub, Inc. (\"Merger Sub\"), a wholly owned subsidiary of Parent, pursuant to which, at 12:01 a.m. EST on December 14, 2023, the effective time of the Merger (the \"Effective Time\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."}],"balance_after":0,"derivative":{"underlying":"Common stock","underlying_shares":6608},"source":{"system":"sec-edgar","filing":"0000950170-23-070873","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000095017023070873/ownership.xml","form_type":"4"}},{"id":1709890,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Performance Stock Units","published_at":"2023-12-15T18:29:19.000Z","date":"2023-12-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2644,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the disposition of shares of common stock, par value $0.001 per share (\"Common Stock\"), of Seagen Inc. (\"Issuer\"), or of equity awards in respect of such Common Stock, as applicable, in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of March 12, 2023 (the \"Merger Agreement\"), by and among the Issuer, Pfizer Inc. (\"Parent\") and Aris Merger Sub, Inc. (\"Merger Sub\"), a wholly owned subsidiary of Parent, pursuant to which, at 12:01 a.m. EST on December 14, 2023, the effective time of the Merger (the \"Effective Time\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding performance-based restricted stock unit (each, a \"Company PSU\"), other than any Company Products PSU or any Company August 2023 PSU (each, as defined below), was cancelled and converted into the right to receive cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company PSU, based on the greater of the target and actual performance. Amounts are shown here based on actual performance."}],"balance_after":0,"derivative":{"underlying":"Common stock","underlying_shares":2644},"source":{"system":"sec-edgar","filing":"0000950170-23-070873","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000095017023070873/ownership.xml","form_type":"4"}},{"id":1709889,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2023-12-15T18:29:19.000Z","date":"2023-12-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":39650,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding Company RSU granted after March 12, 2023 that was unvested as of immediately prior to the Effective Time (each, a \"Post-Signing Company RSU\") was cancelled and converted into the right to receive a Parent cash-based award subject to service-based vesting requirements with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Post-Signing Company RSU."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the disposition of shares of common stock, par value $0.001 per share (\"Common Stock\"), of Seagen Inc. (\"Issuer\"), or of equity awards in respect of such Common Stock, as applicable, in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of March 12, 2023 (the \"Merger Agreement\"), by and among the Issuer, Pfizer Inc. (\"Parent\") and Aris Merger Sub, Inc. (\"Merger Sub\"), a wholly owned subsidiary of Parent, pursuant to which, at 12:01 a.m. EST on December 14, 2023, the effective time of the Merger (the \"Effective Time\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding Company RSU granted after March 12, 2023 that was unvested as of immediately prior to the Effective Time (each, a \"Post-Signing Company RSU\") was cancelled and converted into the right to receive a Parent cash-based award subject to service-based vesting requirements with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Post-Signing Company RSU."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding Company RSU granted after March 12, 2023 that was unvested as of immediately prior to the Effective Time (each, a \"Post-Signing Company RSU\") was cancelled and converted into the right to receive a Parent cash-based award subject to service-based vesting requirements with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Post-Signing Company RSU."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding Company RSU granted after March 12, 2023 that was unvested as of immediately prior to the Effective Time (each, a \"Post-Signing Company RSU\") was cancelled and converted into the right to receive a Parent cash-based award subject to service-based vesting requirements with respect to an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Post-Signing Company RSU."}],"balance_after":0,"derivative":{"underlying":"Common stock","underlying_shares":39650},"source":{"system":"sec-edgar","filing":"0000950170-23-070873","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000095017023070873/ownership.xml","form_type":"4"}},{"id":1709888,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Restricted Stock Units","published_at":"2023-12-15T18:29:19.000Z","date":"2023-12-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":80541,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Pursuant to the Merger Agreement, at the Effective Time, each outstanding restricted stock unit (each, a \"Company RSU\"), other than any Post-Signing Company RSU (as defined below), was cancelled and converted into the right to receive an amount in cash equal to the product of (i) the Merger Consideration, multiplied by (ii) the number of shares of Common Stock then subject to such Company RSU."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the disposition of shares of common stock, par value $0.001 per share (\"Common Stock\"), of Seagen Inc. (\"Issuer\"), or of equity awards in respect of such Common Stock, as applicable, in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of March 12, 2023 (the \"Merger Agreement\"), by and among the Issuer, Pfizer Inc. (\"Parent\") and Aris Merger Sub, Inc. 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(\"Merger Sub\"), a wholly owned subsidiary of Parent, pursuant to which, at 12:01 a.m. EST on December 14, 2023, the effective time of the Merger (the \"Effective Time\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Pursuant to the Merger Agreement, each outstanding option, whether or not then vested, was cancelled in exchange for the right to receive an amount in cash equal to the product of (i) the excess, if any, of the Merger Consideration over the per-share exercise price of such option, multiplied by (ii) the number of shares of Common Stock then subject to such option."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to the Merger Agreement, each outstanding option, whether or not then vested, was cancelled in exchange for the right to receive an amount in cash equal to the product of (i) the excess, if any, of the Merger Consideration over the per-share exercise price of such option, multiplied by (ii) the number of shares of Common Stock then subject to such option."}],"balance_after":0,"derivative":{"exercise_price":137.96,"expiration_date":"2032-11-09","underlying":"Common stock","underlying_shares":224000},"source":{"system":"sec-edgar","filing":"0000950170-23-070873","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000095017023070873/ownership.xml","form_type":"4"}},{"id":1709886,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Options (Right to Buy)","published_at":"2023-12-15T18:29:19.000Z","date":"2023-12-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":240451,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the disposition of shares of common stock, par value $0.001 per share (\"Common Stock\"), of Seagen Inc. 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(\"Merger Sub\"), a wholly owned subsidiary of Parent, pursuant to which, at 12:01 a.m. EST on December 14, 2023, the effective time of the Merger (the \"Effective Time\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Pursuant to the Merger Agreement, each outstanding option, whether or not then vested, was cancelled in exchange for the right to receive an amount in cash equal to the product of (i) the excess, if any, of the Merger Consideration over the per-share exercise price of such option, multiplied by (ii) the number of shares of Common Stock then subject to such option."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to the Merger Agreement, each outstanding option, whether or not then vested, was cancelled in exchange for the right to receive an amount in cash equal to the product of (i) the excess, if any, of the Merger Consideration over the per-share exercise price of such option, multiplied by (ii) the number of shares of Common Stock then subject to such option."}],"balance_after":0,"derivative":{"exercise_price":137.96,"expiration_date":"2032-11-09","underlying":"Common stock","underlying_shares":240451},"source":{"system":"sec-edgar","filing":"0000950170-23-070873","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000095017023070873/ownership.xml","form_type":"4"}},{"id":1709885,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Stock Options (Right to Buy)","published_at":"2023-12-15T18:29:19.000Z","date":"2023-12-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2896,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the disposition of shares of common stock, par value $0.001 per share (\"Common Stock\"), of Seagen Inc. 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(\"Merger Sub\"), a wholly owned subsidiary of Parent, pursuant to which, at 12:01 a.m. EST on December 14, 2023, the effective time of the Merger (the \"Effective Time\"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a subsidiary of Parent (the \"Merger\")."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Pursuant to the Merger Agreement, each outstanding option, whether or not then vested, was cancelled in exchange for the right to receive an amount in cash equal to the product of (i) the excess, if any, of the Merger Consideration over the per-share exercise price of such option, multiplied by (ii) the number of shares of Common Stock then subject to such option."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to the Merger Agreement, each outstanding option, whether or not then vested, was cancelled in exchange for the right to receive an amount in cash equal to the product of (i) the excess, if any, of the Merger Consideration over the per-share exercise price of such option, multiplied by (ii) the number of shares of Common Stock then subject to such option."}],"balance_after":0,"derivative":{"exercise_price":137.96,"expiration_date":"2032-11-09","underlying":"Common stock","underlying_shares":2896},"source":{"system":"sec-edgar","filing":"0000950170-23-070873","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000095017023070873/ownership.xml","form_type":"4"}},{"id":1709884,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2023-12-15T18:29:19.000Z","date":"2023-12-14","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":16407,"price":229,"value":3757203.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the disposition of shares of common stock, par value $0.001 per share (\"Common Stock\"), of Seagen Inc. 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The written agreement, adopted December 14, 2022, provides that, if the filer is in possession of material, nonpublic information as of the date of grant of such stock units, then the Sell-to-Cover Trading Arrangement becomes a binding contract as of the first date thereafter on which the filer is not in possession of material, nonpublic information."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Amount of securities beneficially owned following reported transactions includes restricted stock units subject to vesting."}],"balance_after":136598,"source":{"system":"sec-edgar","filing":"0001203311-23-000123","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000120331123000123/edgardoc.xml","form_type":"4"}},{"id":1804230,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2023-08-17T21:14:02.000Z","date":"2023-08-15","kind":"grant","planned":false,"acquired":true,"shares":39650,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These shares represent restricted stock units and will be settled in common stock upon vesting. 50% of the reporting person's annual equity award was granted in the form of performance stock units, which are not reflected here, and will be treated the same as these restricted stock units in the event the transaction with Pfizer closes."},{"field":"date","element":"transactionDate","label":"F2","text":"Shares shall vest at a rate of 25% on each anniversary of August 15, 2023 until all shares are fully vested at the end of four years."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Amount of securities beneficially owned following reported transactions includes restricted stock units subject to vesting and 179 shares acquired under the Amended and Restated 2000 Employee Stock Purchase Plan on July 31, 2023."}],"balance_after":147218,"source":{"system":"sec-edgar","filing":"0001203311-23-000085","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000120331123000085/edgardoc.xml","form_type":"4"}},{"id":2118608,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Non-Qualified Stock Option (Right to Buy)","published_at":"2022-11-14T17:45:53.000Z","date":"2022-11-09","kind":"grant","acquired":true,"shares":400000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Options are subject to performance vesting in tranches tied to price targets for shares of the Issuer's common stock generally achievable on specified timelines on or before December 31, 2028 or an earlier change of control of the Issuer. Each such tranche will time-vest 1/3 on the date of performance vesting, 1/3 on the 9 month anniversary of performance vesting and 1/3 on the 18 month anniversary of performance vesting."}],"balance_after":400000,"derivative":{"exercise_price":137.96,"expiration_date":"2032-11-09","underlying":"Common Stock","underlying_shares":400000},"source":{"system":"sec-edgar","filing":"0000899243-22-035727","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1060736/000089924322035727/doc4.xml","form_type":"4"}},{"id":2118607,"issuer":{"id":13956,"kind":"organization","name":"Seagen Inc.","symbol":"SGEN"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Non-Qualified Stock Option 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The vested shares subject to such option shall be exercisable upon the effectiveness of the Issuer's registration statement on Form S-8, registering the shares of the Issuer's 2022 Equity Incentive Plan with the U.S. Securities and Exchange Commission."}],"balance_after":125000,"derivative":{"exercise_price":1.75,"expiration_date":"2032-07-12","underlying":"Common Stock","underlying_shares":125000},"source":{"system":"sec-edgar","filing":"0000899243-22-026138","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1854270/000089924322026138/doc4.xml","form_type":"4"}},{"id":2218705,"issuer":{"id":108468,"kind":"organization","name":"Evelo Biosciences, Inc.","symbol":"EVLO"},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David 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The shares of Class B common stock had no expiration date."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Each share that Dynamics Sponsor LLC, a Delaware limited liability company (the \"Sponsor\"), held as record holder of Class B common stock, par value $0.0001, automatically converted into one share of Class A common stock, par value $0.0001, at the closing of the Issuer's initial business combination on June 8, 2022, and, pursuant to the Issuer's amended certificate of incorporation which came into effect on such date, shares of Class A common stock became shares of common stock (without class designation), par value $0.0001, of the Issuer at such time. The shares of Class B common stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share that Dynamics Sponsor LLC, a Delaware limited liability company (the \"Sponsor\"), held as record holder of Class B common stock, par value $0.0001, automatically converted into one share of Class A common stock, par value $0.0001, at the closing of the Issuer's initial business combination on June 8, 2022, and, pursuant to the Issuer's amended certificate of incorporation which came into effect on such date, shares of Class A common stock became shares of common stock (without class designation), par value $0.0001, of the Issuer at such time. The shares of Class B common stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share that Dynamics Sponsor LLC, a Delaware limited liability company (the \"Sponsor\"), held as record holder of Class B common stock, par value $0.0001, automatically converted into one share of Class A common stock, par value $0.0001, at the closing of the Issuer's initial business combination on June 8, 2022, and, pursuant to the Issuer's amended certificate of incorporation which came into effect on such date, shares of Class A common stock became shares of common stock (without class designation), par value $0.0001, of the Issuer at such time. The shares of Class B common stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share that Dynamics Sponsor LLC, a Delaware limited liability company (the \"Sponsor\"), held as record holder of Class B common stock, par value $0.0001, automatically converted into one share of Class A common stock, par value $0.0001, at the closing of the Issuer's initial business combination on June 8, 2022, and, pursuant to the Issuer's amended certificate of incorporation which came into effect on such date, shares of Class A common stock became shares of common stock (without class designation), par value $0.0001, of the Issuer at such time. The shares of Class B common stock had no expiration date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F1","text":"Each share that Dynamics Sponsor LLC, a Delaware limited liability company (the \"Sponsor\"), held as record holder of Class B common stock, par value $0.0001, automatically converted into one share of Class A common stock, par value $0.0001, at the closing of the Issuer's initial business combination on June 8, 2022, and, pursuant to the Issuer's amended certificate of incorporation which came into effect on such date, shares of Class A common stock became shares of common stock (without class designation), par value $0.0001, of the Issuer at such time. The shares of Class B common stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Each share that Dynamics Sponsor LLC, a Delaware limited liability company (the \"Sponsor\"), held as record holder of Class B common stock, par value $0.0001, automatically converted into one share of Class A common stock, par value $0.0001, at the closing of the Issuer's initial business combination on June 8, 2022, and, pursuant to the Issuer's amended certificate of incorporation which came into effect on such date, shares of Class A common stock became shares of common stock (without class designation), par value $0.0001, of the Issuer at such time. The shares of Class B common stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Upon the consummation of the business combination described in footnote 1, the Sponsor distributed 123,252 shares of common stock of the Issuer to David Epstein."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":112519},"source":{"system":"sec-edgar","filing":"0000950103-22-010425","document":"dp175101_4-epstein.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1854270/000095010322010425/dp175101_4-epstein.xml","form_type":"4"}},{"id":2236348,"issuer":{"id":7935,"kind":"organization","name":"Senti Biosciences Holdings, Inc."},"owners":[{"id":1546,"kind":"person","name":"Epstein David R","position":1,"cik":"0001445826","reported_name":"Epstein David R","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-11T01:22:43.000Z","date":"2022-06-08","kind":"grant","acquired":true,"shares":112519,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Prior to the distribution described in footnote 2, the Sponsor was the record holder of these shares. The Sponsor is governed by a board of managers consisting of Omid Farokhzad and Mostafa Ronaghi who held an economic interest therein. Any action by the Sponsor with respect to Issuer or the shares reported above, including voting and dispositive decisions, requires unanimous approval of the managers. The shares reported were attributable to Mr. Epstein's equity ownership interest of the Sponsor."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share that Dynamics Sponsor LLC, a Delaware limited liability company (the \"Sponsor\"), held as record holder of Class B common stock, par value $0.0001, automatically converted into one share of Class A common stock, par value $0.0001, at the closing of the Issuer's initial business combination on June 8, 2022, and, pursuant to the Issuer's amended certificate of incorporation which came into effect on such date, shares of Class A common stock became shares of common stock (without class designation), par value $0.0001, of the Issuer at such time. 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