{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-044871","form_type":"8-K","ticker":"AVTR","cik":"0001722482","company_name":"Avantor, Inc.","filed_at":"2025-10-14T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.253757+00:00","generated_at":"2026-05-17T03:55:14.572650+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Avantor chairman Jonathan Peacock to step down Dec 31, 2025; Gregory Summe to succeed","bullets":["Jonathan Peacock informed Avantor he will step down as chairman and board member effective December 31, 2025.","Peacock's departure is not due to any disagreement with the company's operations, policies or practices.","Current board member Gregory L. Summe will serve as chairman from January 1, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-044871","json":"https://secwatch.observer/filing/0001628280-25-044871.json","markdown":"https://secwatch.observer/filing/0001628280-25-044871.md","text":"https://secwatch.observer/filing/0001628280-25-044871.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1722482/000162828025044871/0001628280-25-044871-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1722482/000162828025044871/avtr-20251010.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T03:55:14.572650+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"}