{"filing":{"accession_number":"0001628280-26-062043","cik":"0000730272","ticker":"RGEN","company_name":"REPLIGEN CORP","form":"8-K","filing_date":"2026-09-15","report_date":"2026-09-10","primary_document":"rgen-20260910.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/730272/000162828026062043/rgen-20260910.htm"},"events":[{"id":33599,"run_id":30900,"accession_number":"0001628280-26-062043","anchor_item_number":"5.02","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"Karen A. Dawes, a board member with over twenty years of service, is retiring from the Repligen Board of Directors effective September 30, 2026. The disclosure centers on her departure from the board, not on any appointment or compensation arrangement. Board departures of long-tenured directors are material to investors as they affect governance composition and continuity.","company_name":"REPLIGEN CORP","ticker":"RGEN","filing_date":"2026-09-15","form":"8-K","submitted_at":null,"items":[{"id":37084,"accession_number":"0001628280-26-062043","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Karen A. Dawes, a board member with over twenty years of service, is retiring from the Repligen Board of Directors effective September 30, 2026. The disclosure centers on her departure from the board, not on any appointment or compensation arrangement. Board departures of long-tenured directors are material to investors as they affect governance composition and continuity.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-15T20:04:54.680132+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":37084,"accession_number":"0001628280-26-062043","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Karen A. Dawes, a board member with over twenty years of service, is retiring from the Repligen Board of Directors effective September 30, 2026. The disclosure centers on her departure from the board, not on any appointment or compensation arrangement. Board departures of long-tenured directors are material to investors as they affect governance composition and continuity.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-15T20:04:54.680132+00:00","company_name":"REPLIGEN CORP","ticker":"RGEN","filing_date":"2026-09-15"}]}