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Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1388876},"source":{"system":"sec-edgar","filing":"0001193125-26-085888","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/1860059/000119312526085888/ownership.xml","form_type":"4"}},{"id":874455,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63978,"kind":"organization","name":"Flagship Pioneering, LLC","position":2,"cik":"0001400240","reported_name":"Flagship Pioneering, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63979,"kind":"organization","name":"Flagship VentureLabs VI Manager LLC","position":3,"cik":"0001860060","reported_name":"Flagship VentureLabs VI Manager LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63980,"kind":"organization","name":"Flagship Pioneering Fund VI General Partner LLC","position":4,"cik":"0001724957","reported_name":"Flagship Pioneering Fund VI General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63981,"kind":"organization","name":"Flagship Pioneering Fund VII General Partner LLC","position":5,"cik":"0001805917","reported_name":"Flagship Pioneering Fund VII General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63982,"kind":"organization","name":"Nutritional Health LTP Fund General Partner LLC","position":6,"cik":"0001780951","reported_name":"Nutritional Health LTP Fund General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63983,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","position":7,"cik":"0001826217","reported_name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63984,"kind":"organization","name":"FPN General Partner LLC","position":8,"cik":"0001860059","reported_name":"FPN General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series C Preferred Stock","published_at":"2026-03-02T17:52:09.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":1265822,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Flagship Pioneering Special Opportunities Fund II, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. 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Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities held by Flagship Pioneering Special Opportunities Fund II, L.P. (\"Flagship Opportunities Fund II\"). Flagship Pioneering Special Opportunities Fund II General Partner LLC (\"Flagship Opportunities Fund II GP\") is the general partner of Flagship Opportunities Fund II. Flagship Pioneering is the manager of Flagship Opportunities Fund II GP. 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Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities held by Flagship Pioneering Fund VII, L.P. (\"Flagship Fund VII\"). 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(\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Securities held by FPN II, L.P. (\"FPN II Fund\"). FPN General Partner LLC (\"FPN GP\") is the general partner of FPN II Fund. Flagship Pioneering is the manager of FPN GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1388876},"source":{"system":"sec-edgar","filing":"0001193125-26-085888","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1860059/000119312526085888/ownership.xml","form_type":"4"}},{"id":874452,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63978,"kind":"organization","name":"Flagship Pioneering, LLC","position":2,"cik":"0001400240","reported_name":"Flagship Pioneering, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63979,"kind":"organization","name":"Flagship VentureLabs VI Manager LLC","position":3,"cik":"0001860060","reported_name":"Flagship VentureLabs VI Manager LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63980,"kind":"organization","name":"Flagship Pioneering Fund VI General Partner LLC","position":4,"cik":"0001724957","reported_name":"Flagship Pioneering Fund VI General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63981,"kind":"organization","name":"Flagship Pioneering Fund VII General Partner LLC","position":5,"cik":"0001805917","reported_name":"Flagship Pioneering Fund VII General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63982,"kind":"organization","name":"Nutritional Health LTP Fund General Partner LLC","position":6,"cik":"0001780951","reported_name":"Nutritional Health LTP Fund General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63983,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","position":7,"cik":"0001826217","reported_name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63984,"kind":"organization","name":"FPN General Partner LLC","position":8,"cik":"0001860059","reported_name":"FPN General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Preferred Stock","published_at":"2026-03-02T17:52:09.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":2953586,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Flagship Pioneering Special Opportunities Fund II, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities held by Flagship Pioneering Special Opportunities Fund II, L.P. (\"Flagship Opportunities Fund II\"). Flagship Pioneering Special Opportunities Fund II General Partner LLC (\"Flagship Opportunities Fund II GP\") is the general partner of Flagship Opportunities Fund II. Flagship Pioneering is the manager of Flagship Opportunities Fund II GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1944427},"source":{"system":"sec-edgar","filing":"0001193125-26-085888","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1860059/000119312526085888/ownership.xml","form_type":"4"}},{"id":874451,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63978,"kind":"organization","name":"Flagship Pioneering, LLC","position":2,"cik":"0001400240","reported_name":"Flagship Pioneering, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63979,"kind":"organization","name":"Flagship VentureLabs VI Manager LLC","position":3,"cik":"0001860060","reported_name":"Flagship VentureLabs VI Manager LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63980,"kind":"organization","name":"Flagship Pioneering Fund VI General Partner LLC","position":4,"cik":"0001724957","reported_name":"Flagship Pioneering Fund VI General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63981,"kind":"organization","name":"Flagship Pioneering Fund VII General Partner LLC","position":5,"cik":"0001805917","reported_name":"Flagship Pioneering Fund VII General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63982,"kind":"organization","name":"Nutritional Health LTP Fund General Partner LLC","position":6,"cik":"0001780951","reported_name":"Nutritional Health LTP Fund General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63983,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","position":7,"cik":"0001826217","reported_name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63984,"kind":"organization","name":"FPN General Partner LLC","position":8,"cik":"0001860059","reported_name":"FPN General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Preferred Stock","published_at":"2026-03-02T17:52:09.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":1265822,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Flagship Pioneering Fund VII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities held by Flagship Pioneering Fund VII, L.P. (\"Flagship Fund VII\"). Flagship Pioneering Fund VII General Partner LLC (\"Flagship Fund VII GP\") is the general partner of Flagship Fund VII. Flagship Pioneering is the manager of Flagship Fund VII GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":833325},"source":{"system":"sec-edgar","filing":"0001193125-26-085888","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1860059/000119312526085888/ownership.xml","form_type":"4"}},{"id":874450,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63978,"kind":"organization","name":"Flagship Pioneering, LLC","position":2,"cik":"0001400240","reported_name":"Flagship Pioneering, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63979,"kind":"organization","name":"Flagship VentureLabs VI Manager LLC","position":3,"cik":"0001860060","reported_name":"Flagship VentureLabs VI Manager LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63980,"kind":"organization","name":"Flagship Pioneering Fund VI General Partner LLC","position":4,"cik":"0001724957","reported_name":"Flagship Pioneering Fund VI General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63981,"kind":"organization","name":"Flagship Pioneering Fund VII General Partner LLC","position":5,"cik":"0001805917","reported_name":"Flagship Pioneering Fund VII General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63982,"kind":"organization","name":"Nutritional Health LTP Fund General Partner LLC","position":6,"cik":"0001780951","reported_name":"Nutritional Health LTP Fund General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63983,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","position":7,"cik":"0001826217","reported_name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63984,"kind":"organization","name":"FPN General Partner LLC","position":8,"cik":"0001860059","reported_name":"FPN General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Preferred Stock","published_at":"2026-03-02T17:52:09.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":843881,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Flagship Pioneering Fund VI, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into shares of the Issuer's Common Stock on a one-for-1.5190 basis upon the closing of the Issuer's initial public offering on March 2, 2026. The Preferred Stock had no expiration date."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":555550},"source":{"system":"sec-edgar","filing":"0001193125-26-085888","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1860059/000119312526085888/ownership.xml","form_type":"4"}},{"id":874449,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63978,"kind":"organization","name":"Flagship Pioneering, LLC","position":2,"cik":"0001400240","reported_name":"Flagship Pioneering, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63979,"kind":"organization","name":"Flagship VentureLabs VI Manager LLC","position":3,"cik":"0001860060","reported_name":"Flagship VentureLabs VI Manager LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63980,"kind":"organization","name":"Flagship Pioneering Fund VI General Partner LLC","position":4,"cik":"0001724957","reported_name":"Flagship Pioneering Fund VI General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63981,"kind":"organization","name":"Flagship Pioneering Fund VII General Partner LLC","position":5,"cik":"0001805917","reported_name":"Flagship Pioneering Fund VII General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63982,"kind":"organization","name":"Nutritional Health LTP Fund General Partner LLC","position":6,"cik":"0001780951","reported_name":"Nutritional Health LTP Fund General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63983,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","position":7,"cik":"0001826217","reported_name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63984,"kind":"organization","name":"FPN General Partner LLC","position":8,"cik":"0001860059","reported_name":"FPN General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2026-03-02T17:52:09.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":1500000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Nutritional Health LTP Fund, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities held by Nutritional Health LTP Fund, L.P. (\"Nutritional LTP\"). Nutritional Health LTP Fund General Partner LLC (\"Nutritional LTP GP\") is the general partner of Nutritional LTP. Flagship Pioneering is the manager of Nutritional LTP GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":987491},"source":{"system":"sec-edgar","filing":"0001193125-26-085888","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1860059/000119312526085888/ownership.xml","form_type":"4"}},{"id":874448,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63978,"kind":"organization","name":"Flagship Pioneering, LLC","position":2,"cik":"0001400240","reported_name":"Flagship Pioneering, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63979,"kind":"organization","name":"Flagship VentureLabs VI Manager LLC","position":3,"cik":"0001860060","reported_name":"Flagship VentureLabs VI Manager LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63980,"kind":"organization","name":"Flagship Pioneering Fund VI General Partner LLC","position":4,"cik":"0001724957","reported_name":"Flagship Pioneering Fund VI General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63981,"kind":"organization","name":"Flagship Pioneering Fund VII General Partner LLC","position":5,"cik":"0001805917","reported_name":"Flagship Pioneering Fund VII General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63982,"kind":"organization","name":"Nutritional Health LTP Fund General Partner LLC","position":6,"cik":"0001780951","reported_name":"Nutritional Health LTP Fund General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63983,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","position":7,"cik":"0001826217","reported_name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63984,"kind":"organization","name":"FPN General Partner LLC","position":8,"cik":"0001860059","reported_name":"FPN General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2026-03-02T17:52:09.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":17016215,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Flagship Pioneering Fund VII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities held by Flagship Pioneering Fund VII, L.P. (\"Flagship Fund VII\"). Flagship Pioneering Fund VII General Partner LLC (\"Flagship Fund VII GP\") is the general partner of Flagship Fund VII. Flagship Pioneering is the manager of Flagship Fund VII GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":11202248},"source":{"system":"sec-edgar","filing":"0001193125-26-085888","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1860059/000119312526085888/ownership.xml","form_type":"4"}},{"id":874447,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63978,"kind":"organization","name":"Flagship Pioneering, LLC","position":2,"cik":"0001400240","reported_name":"Flagship Pioneering, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63979,"kind":"organization","name":"Flagship VentureLabs VI Manager LLC","position":3,"cik":"0001860060","reported_name":"Flagship VentureLabs VI Manager LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63980,"kind":"organization","name":"Flagship Pioneering Fund VI General Partner LLC","position":4,"cik":"0001724957","reported_name":"Flagship Pioneering Fund VI General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63981,"kind":"organization","name":"Flagship Pioneering Fund VII General Partner LLC","position":5,"cik":"0001805917","reported_name":"Flagship Pioneering Fund VII General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63982,"kind":"organization","name":"Nutritional Health LTP Fund General Partner LLC","position":6,"cik":"0001780951","reported_name":"Nutritional Health LTP Fund General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63983,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","position":7,"cik":"0001826217","reported_name":"Flagship Pioneering Special Opportunities Fund II General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":63984,"kind":"organization","name":"FPN General Partner LLC","position":8,"cik":"0001860059","reported_name":"FPN General Partner LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2026-03-02T17:52:09.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":18483785,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Flagship Pioneering Fund VI, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into shares of the Issuer's Common Stock on a one-for-1.5190 basis upon the closing of the Issuer's initial public offering on March 2, 2026. 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Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities held by Flagship Pioneering Fund VII, L.P. (\"Flagship Fund VII\"). Flagship Pioneering Fund VII General Partner LLC (\"Flagship Fund VII GP\") is the general partner of Flagship Fund VII. Flagship Pioneering is the manager of Flagship Fund VII GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1666651},"source":{"system":"sec-edgar","filing":"0001193125-26-085855","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1805916/000119312526085855/ownership.xml","form_type":"4"}},{"id":875735,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64110,"kind":"organization","name":"Flagship VentureLabs VI LLC","position":2,"cik":"0001725008","reported_name":"Flagship VentureLabs VI LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64111,"kind":"organization","name":"Flagship Pioneering Fund VI, L.P.","position":3,"cik":"0001716926","reported_name":"Flagship Pioneering Fund VI, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64112,"kind":"organization","name":"Flagship Pioneering Fund VII, L.P.","position":4,"cik":"0001805916","reported_name":"Flagship Pioneering Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64113,"kind":"organization","name":"Nutritional Health LTP Fund, L.P.","position":5,"cik":"0001780956","reported_name":"Nutritional Health LTP Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64114,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II, L.P.","position":6,"cik":"0001761283","reported_name":"Flagship Pioneering Special Opportunities Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64115,"kind":"organization","name":"FPN II, L.P.","position":7,"cik":"0001918834","reported_name":"FPN II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Preferred Stock","published_at":"2026-03-02T17:42:42.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":2109704,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By FPN II, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Securities held by FPN II, L.P. (\"FPN II Fund\"). FPN General Partner LLC (\"FPN GP\") is the general partner of FPN II Fund. Flagship Pioneering is the manager of FPN GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1388876},"source":{"system":"sec-edgar","filing":"0001193125-26-085855","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1805916/000119312526085855/ownership.xml","form_type":"4"}},{"id":875734,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64110,"kind":"organization","name":"Flagship VentureLabs VI LLC","position":2,"cik":"0001725008","reported_name":"Flagship VentureLabs VI LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64111,"kind":"organization","name":"Flagship Pioneering Fund VI, L.P.","position":3,"cik":"0001716926","reported_name":"Flagship Pioneering Fund VI, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64112,"kind":"organization","name":"Flagship Pioneering Fund VII, L.P.","position":4,"cik":"0001805916","reported_name":"Flagship Pioneering Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64113,"kind":"organization","name":"Nutritional Health LTP Fund, L.P.","position":5,"cik":"0001780956","reported_name":"Nutritional Health LTP Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64114,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II, L.P.","position":6,"cik":"0001761283","reported_name":"Flagship Pioneering Special Opportunities Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64115,"kind":"organization","name":"FPN II, L.P.","position":7,"cik":"0001918834","reported_name":"FPN II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Preferred Stock","published_at":"2026-03-02T17:42:42.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":2953586,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Flagship Pioneering Special Opportunities Fund II, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities held by Flagship Pioneering Special Opportunities Fund II, L.P. (\"Flagship Opportunities Fund II\"). Flagship Pioneering Special Opportunities Fund II General Partner LLC (\"Flagship Opportunities Fund II GP\") is the general partner of Flagship Opportunities Fund II. Flagship Pioneering is the manager of Flagship Opportunities Fund II GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1944427},"source":{"system":"sec-edgar","filing":"0001193125-26-085855","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1805916/000119312526085855/ownership.xml","form_type":"4"}},{"id":875733,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64110,"kind":"organization","name":"Flagship VentureLabs VI LLC","position":2,"cik":"0001725008","reported_name":"Flagship VentureLabs VI LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64111,"kind":"organization","name":"Flagship Pioneering Fund VI, L.P.","position":3,"cik":"0001716926","reported_name":"Flagship Pioneering Fund VI, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64112,"kind":"organization","name":"Flagship Pioneering Fund VII, L.P.","position":4,"cik":"0001805916","reported_name":"Flagship Pioneering Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64113,"kind":"organization","name":"Nutritional Health LTP Fund, L.P.","position":5,"cik":"0001780956","reported_name":"Nutritional Health LTP Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64114,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II, L.P.","position":6,"cik":"0001761283","reported_name":"Flagship Pioneering Special Opportunities Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64115,"kind":"organization","name":"FPN II, L.P.","position":7,"cik":"0001918834","reported_name":"FPN II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Preferred Stock","published_at":"2026-03-02T17:42:42.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":1265822,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Flagship Pioneering Fund VII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Securities held by Flagship Pioneering Fund VII, L.P. (\"Flagship Fund VII\"). Flagship Pioneering Fund VII General Partner LLC (\"Flagship Fund VII GP\") is the general partner of Flagship Fund VII. Flagship Pioneering is the manager of Flagship Fund VII GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":833325},"source":{"system":"sec-edgar","filing":"0001193125-26-085855","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1805916/000119312526085855/ownership.xml","form_type":"4"}},{"id":875732,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64110,"kind":"organization","name":"Flagship VentureLabs VI LLC","position":2,"cik":"0001725008","reported_name":"Flagship VentureLabs VI LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64111,"kind":"organization","name":"Flagship Pioneering Fund VI, L.P.","position":3,"cik":"0001716926","reported_name":"Flagship Pioneering Fund VI, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64112,"kind":"organization","name":"Flagship Pioneering Fund VII, L.P.","position":4,"cik":"0001805916","reported_name":"Flagship Pioneering Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64113,"kind":"organization","name":"Nutritional Health LTP Fund, L.P.","position":5,"cik":"0001780956","reported_name":"Nutritional Health LTP Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64114,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II, L.P.","position":6,"cik":"0001761283","reported_name":"Flagship Pioneering Special Opportunities Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64115,"kind":"organization","name":"FPN II, L.P.","position":7,"cik":"0001918834","reported_name":"FPN II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Preferred Stock","published_at":"2026-03-02T17:42:42.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":843881,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Flagship Pioneering Fund VI, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into shares of the Issuer's Common Stock on a one-for-1.5190 basis upon the closing of the Issuer's initial public offering on March 2, 2026. The Preferred Stock had no expiration date."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":555550},"source":{"system":"sec-edgar","filing":"0001193125-26-085855","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1805916/000119312526085855/ownership.xml","form_type":"4"}},{"id":875731,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64110,"kind":"organization","name":"Flagship VentureLabs VI LLC","position":2,"cik":"0001725008","reported_name":"Flagship VentureLabs VI LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64111,"kind":"organization","name":"Flagship Pioneering Fund VI, L.P.","position":3,"cik":"0001716926","reported_name":"Flagship Pioneering Fund VI, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64112,"kind":"organization","name":"Flagship Pioneering Fund VII, L.P.","position":4,"cik":"0001805916","reported_name":"Flagship Pioneering Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64113,"kind":"organization","name":"Nutritional Health LTP Fund, L.P.","position":5,"cik":"0001780956","reported_name":"Nutritional Health LTP Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64114,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II, L.P.","position":6,"cik":"0001761283","reported_name":"Flagship Pioneering Special Opportunities Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64115,"kind":"organization","name":"FPN II, L.P.","position":7,"cik":"0001918834","reported_name":"FPN II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2026-03-02T17:42:42.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":1500000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Nutritional Health LTP Fund, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities held by Nutritional Health LTP Fund, L.P. (\"Nutritional LTP\"). Nutritional Health LTP Fund General Partner LLC (\"Nutritional LTP GP\") is the general partner of Nutritional LTP. Flagship Pioneering is the manager of Nutritional LTP GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":987491},"source":{"system":"sec-edgar","filing":"0001193125-26-085855","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1805916/000119312526085855/ownership.xml","form_type":"4"}},{"id":875730,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64110,"kind":"organization","name":"Flagship VentureLabs VI LLC","position":2,"cik":"0001725008","reported_name":"Flagship VentureLabs VI LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64111,"kind":"organization","name":"Flagship Pioneering Fund VI, L.P.","position":3,"cik":"0001716926","reported_name":"Flagship Pioneering Fund VI, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64112,"kind":"organization","name":"Flagship Pioneering Fund VII, L.P.","position":4,"cik":"0001805916","reported_name":"Flagship Pioneering Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64113,"kind":"organization","name":"Nutritional Health LTP Fund, L.P.","position":5,"cik":"0001780956","reported_name":"Nutritional Health LTP Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64114,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II, L.P.","position":6,"cik":"0001761283","reported_name":"Flagship Pioneering Special Opportunities Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64115,"kind":"organization","name":"FPN II, L.P.","position":7,"cik":"0001918834","reported_name":"FPN II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2026-03-02T17:42:42.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":false,"shares":17016215,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Flagship Pioneering Fund VII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. 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(\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Securities held by Flagship Pioneering Special Opportunities Fund II, L.P. (\"Flagship Opportunities Fund II\"). Flagship Pioneering Special Opportunities Fund II General Partner LLC (\"Flagship Opportunities Fund II GP\") is the general partner of Flagship Opportunities Fund II. Flagship Pioneering is the manager of Flagship Opportunities Fund II GP. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":2777752,"source":{"system":"sec-edgar","filing":"0001193125-26-085855","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1805916/000119312526085855/ownership.xml","form_type":"4"}},{"id":875722,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64110,"kind":"organization","name":"Flagship VentureLabs VI LLC","position":2,"cik":"0001725008","reported_name":"Flagship VentureLabs VI LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64111,"kind":"organization","name":"Flagship Pioneering Fund VI, L.P.","position":3,"cik":"0001716926","reported_name":"Flagship Pioneering Fund VI, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64112,"kind":"organization","name":"Flagship Pioneering Fund VII, L.P.","position":4,"cik":"0001805916","reported_name":"Flagship Pioneering Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64113,"kind":"organization","name":"Nutritional Health LTP Fund, L.P.","position":5,"cik":"0001780956","reported_name":"Nutritional Health LTP Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64114,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II, L.P.","position":6,"cik":"0001761283","reported_name":"Flagship Pioneering Special Opportunities Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64115,"kind":"organization","name":"FPN II, L.P.","position":7,"cik":"0001918834","reported_name":"FPN II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-03-02T17:42:42.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":true,"shares":987491,"ownership":{"direct":false,"nature":"By Nutritional Health LTP Fund, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Securities held by Nutritional Health LTP Fund, L.P. (\"Nutritional LTP\"). Nutritional Health LTP Fund General Partner LLC (\"Nutritional LTP GP\") is the general partner of Nutritional LTP. Flagship Pioneering is the manager of Nutritional LTP GP. 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Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."}],"balance_after":13702224,"source":{"system":"sec-edgar","filing":"0001193125-26-085855","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1805916/000119312526085855/ownership.xml","form_type":"4"}},{"id":875720,"issuer":{"id":1553,"kind":"organization","name":"Generate Biomedicines, Inc.","symbol":"GENB"},"owners":[{"id":44731,"kind":"person","name":"Afeyan Noubar","position":1,"cik":"0001222012","reported_name":"AFEYAN NOUBAR","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64110,"kind":"organization","name":"Flagship VentureLabs VI LLC","position":2,"cik":"0001725008","reported_name":"Flagship VentureLabs VI LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64111,"kind":"organization","name":"Flagship Pioneering Fund VI, L.P.","position":3,"cik":"0001716926","reported_name":"Flagship Pioneering Fund VI, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64112,"kind":"organization","name":"Flagship Pioneering Fund VII, L.P.","position":4,"cik":"0001805916","reported_name":"Flagship Pioneering Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64113,"kind":"organization","name":"Nutritional Health LTP Fund, L.P.","position":5,"cik":"0001780956","reported_name":"Nutritional Health LTP Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64114,"kind":"organization","name":"Flagship Pioneering Special Opportunities Fund II, L.P.","position":6,"cik":"0001761283","reported_name":"Flagship Pioneering Special Opportunities Fund II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":64115,"kind":"organization","name":"FPN II, L.P.","position":7,"cik":"0001918834","reported_name":"FPN II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-03-02T17:42:42.000Z","date":"2026-03-02","kind":"exercise","planned":false,"acquired":true,"shares":12723940,"ownership":{"direct":false,"nature":"By Flagship Pioneering Fund VI, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Securities held by Flagship Pioneering Fund VI, L.P. (\"Flagship Fund VI\"). Flagship Pioneering Fund VI General Partner LLC (\"Flagship Fund VI GP\") is the general partner of Flagship Fund VI. Flagship Pioneering, LLC (\"Flagship Pioneering\") is the manager of Flagship Fund VI GP. Noubar B. Afeyan, Ph.D. is the ultimate control person of Flagship Pioneering. Each of the Reporting Persons disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, if any."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Each share of Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock (collectively, the \"Preferred Stock\") automatically converted into shares of the Issuer's Common Stock on a one-for-1.5190 basis upon the closing of the Issuer's initial public offering on March 2, 2026. The Preferred Stock had no expiration date."}],"balance_after":12723940,"source":{"system":"sec-edgar","filing":"0001193125-26-085855","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1805916/000119312526085855/ownership.xml","form_type":"4"}}]}