{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-385380","form_type":"8-K","ticker":"RGEN","cik":"0000730272","company_name":"REPLIGEN CORP","filed_at":"2026-09-08T21:26:46+00:00","discovered_at":"2026-09-08T21:28:03.552925+00:00","generated_at":"2026-09-08T21:28:09.806330+00:00","sec_items":["8.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Repligen-BioLife merger clears HSR waiting period; stockholder vote set for Oct 5","bullets":["HSR waiting period for Repligen's acquisition of BioLife expired Sept 3, 2026 at 11:59 PM ET.","Deal terms: BioLife shareholders receive $11.25 cash plus 0.1442 Repligen shares per share.","Special BioLife stockholder meeting scheduled Oct 5, 2026 at 9:00 AM ET to vote on merger.","Closing still subject to BioLife stockholder adoption and other customary conditions.","Merger agreement originally signed July 21, 2026; Repligen to acquire all BioLife stock."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-385380","json":"https://secwatch.observer/filing/0001193125-26-385380.json","markdown":"https://secwatch.observer/filing/0001193125-26-385380.md","text":"https://secwatch.observer/filing/0001193125-26-385380.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/730272/000119312526385380/0001193125-26-385380-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/730272/000119312526385380/d131600d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-08T21:28:09.806330+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}