secwatch.observer — SEC 8-K summary ====================================== Issuer: REPLIGEN CORP (RGEN) CIK: 0000730272 Form: 8-K Filed at: 2026-09-15T20:04:13+00:00 Accession: 0001628280-26-062043 Event type: leadership Sentiment: neutral Materiality: 0.30 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Repligen director Karen A. Dawes to retire from board effective Sept 30, 2026 ----------------------------------------------------------------------------- - Karen A. Dawes retiring from Repligen board after over 20 years of service, effective Sept 30, 2026. - Retirement not due to disagreement with company operations, policies, or procedures. - Dawes cites completed CEO transition and confidence in leadership team and future growth. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/730272/000162828026062043/0001628280-26-062043-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/730272/000162828026062043/rgen-20260910.htm HTML page: https://secwatch.observer/filing/0001628280-26-062043 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer