{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-070768","form_type":"8-K","ticker":"RGEN","cik":"0000730272","company_name":"REPLIGEN CORP","filed_at":"2024-03-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:26.788741+00:00","generated_at":"2026-06-04T14:11:49.016161+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Repligen appoints Maggie A. Pax to Board of Directors, expanding to nine members","bullets":["Pax elected to board effective March 18, 2024; board expands from eight to nine members.","Pax brings 25+ years in life sciences, including Thermo Fisher VP Strategy and Innovation (2016-2020).","Pax received initial option valued at $215,000 vesting over three years, plus pro-rata equity awards.","Pax is independent under Nasdaq standards; no committee assignments yet.","Pax also serves on boards of Alimera Sciences, Jellagen, and BioPorto U.S. subsidiary."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-070768","json":"https://secwatch.observer/filing/0001193125-24-070768.json","markdown":"https://secwatch.observer/filing/0001193125-24-070768.md","text":"https://secwatch.observer/filing/0001193125-24-070768.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/730272/000119312524070768/0001193125-24-070768-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/730272/000119312524070768/d768236d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T14:11:49.016161+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":"fb4b4071e5","claim":"Margaret A. Pax was elected as Director at REPLIGEN CORP.","evidence_excerpt":"the Board elected Margaret A. Pax to the Board, effective immediately (the “Effective Date”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/730272/000119312524070768/0001193125-24-070768-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}