{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-161728","form_type":"8-K","ticker":"RGEN","cik":"0000730272","company_name":"REPLIGEN CORP","filed_at":"2024-06-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:21.856650+00:00","generated_at":"2026-06-01T04:28:42.505581+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Repligen appoints Olivier Loeillot as CEO effective Sept 1, 2024; Hunt becomes Executive Chair","bullets":["Loeillot receives $750K base salary, 85% target bonus, and a $5M equity award (50% RSUs, 25% options, 25% PSUs).","Hunt to serve as Executive Chair through March 2026, then advisor to March 2027; base salary $440K, 52.5% bonus.","Severance: Loeillot gets 1.5x salary for termination without cause; 2.0x salary plus bonus for change-in-control.","Karen Dawes appointed Lead Independent Director, effective Sept 1, 2024; Board composition otherwise unchanged.","Loeillot elected to the Board effective on the transition date."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-161728","json":"https://secwatch.observer/filing/0001193125-24-161728.json","markdown":"https://secwatch.observer/filing/0001193125-24-161728.md","text":"https://secwatch.observer/filing/0001193125-24-161728.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/730272/000119312524161728/0001193125-24-161728-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/730272/000119312524161728/d844408d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T04:28:42.505581+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"0e535bf159","claim":"Tony J. Hunt changed role as Executive Chair at REPLIGEN CORP.","evidence_excerpt":"Tony J. Hunt, who will serve as Executive Chair of the Repligen board of directors","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/730272/000119312524161728/0001193125-24-161728-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"will serve as"},{"label":"Role","value":"Executive Chair"}],"fact_type":"executive_change"},{"claim_id":"31be5f54c4","claim":"Olivier Loeillot was appointed as President and Chief Executive Officer at REPLIGEN CORP.","evidence_excerpt":"Repligen has appointed Olivier Loeillot, Repligen’s President and Chief Commercial Officer, to the role of President and Chief Executive Officer, as successor to Tony J. Hunt, who will serve as Executive Chair of the Repligen board of directors (the “Board”), with such transition to be effective September 1, 2024","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/730272/000119312524161728/0001193125-24-161728-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"President and Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"938f4343c1","claim":"Karen A. Dawes was appointed as Lead Independent Director at REPLIGEN CORP.","evidence_excerpt":"appointed Karen A. Dawes, the Board’s current Chair, to the role of Lead Independent Director","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/730272/000119312524161728/0001193125-24-161728-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Lead Independent Director"}],"fact_type":"executive_change"},{"claim_id":"d9122493c3","claim":"Olivier Loeillot was elected as Member of the Board at REPLIGEN CORP.","evidence_excerpt":"the Board elected Mr. Loeillot as a member of the Board","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/730272/000119312524161728/0001193125-24-161728-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"Member of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}