{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-001024","form_type":"8-K","ticker":"RGEN","cik":"0000730272","company_name":"REPLIGEN CORP","filed_at":"2022-01-04T23:59:59+00:00","discovered_at":"2026-05-14T18:04:09.594118+00:00","generated_at":"2026-06-27T21:09:42.235443+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Repligen promotes James Bylund to Chief Operating Officer effective Jan 1, 2022","bullets":["James Bylund promoted from SVP, Operations & IT to COO and principal operating officer, effective Jan 1, 2022.","Bylund joined Repligen in March 2020; prior 10 years at Thermo Fisher as VP & GM of Single Use Technologies.","He also held leadership roles at Fiserv (9 years) and Eli Lilly (7 years); holds B.S. from Utah State and MBA from Indiana."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-001024","json":"https://secwatch.observer/filing/0001193125-22-001024.json","markdown":"https://secwatch.observer/filing/0001193125-22-001024.md","text":"https://secwatch.observer/filing/0001193125-22-001024.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/730272/000119312522001024/0001193125-22-001024-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/730272/000119312522001024/d245127d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T21:09:42.235443+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":"f39b351f6d","claim":"James Bylund changed role as Chief Operating Officer at REPLIGEN CORP.","evidence_excerpt":"On January 3, 2022, Repligen Corporation (the “ Company ”) promoted James Bylund, the Company’s current Senior Vice President, Operations and Information Technologies, to the role of Chief Operating Officer of the Company, effective January 1, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/730272/000119312522001024/0001193125-22-001024-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"promoted"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}