{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-265002","form_type":"8-K","ticker":"RGEN","cik":"0000730272","company_name":"REPLIGEN CORP","filed_at":"2021-09-03T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.642338+00:00","generated_at":"2026-06-29T05:56:13.500981+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"medium","headline":"Repligen extends Cytiva supply agreement for ligand manufacture through 2025","bullets":["Long-term supply agreement with Cytiva Sweden AB extended through 2025.","Covers contract manufacture of Cytiva ligands at Repligen's Waltham, MA and Lund, Sweden facilities.","No financial terms or volume commitments disclosed in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-265002","json":"https://secwatch.observer/filing/0001193125-21-265002.json","markdown":"https://secwatch.observer/filing/0001193125-21-265002.md","text":"https://secwatch.observer/filing/0001193125-21-265002.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/730272/000119312521265002/0001193125-21-265002-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/730272/000119312521265002/d168793d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T05:56:13.500981+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"}