{"schema_version":"secwatch.filing_event.v1","accession":"0000731766-24-000340","form_type":"8-K","ticker":"UNH","cik":"0000731766","company_name":"UNITEDHEALTH GROUP INC","filed_at":"2024-12-04T23:59:59+00:00","discovered_at":"2026-05-14T18:03:10.940011+00:00","generated_at":"2026-05-29T09:08:59.510141+00:00","sec_items":["8.01","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"UnitedHealth Group announces death of UnitedHealthcare CEO Brian Thompson","bullets":["Brian Thompson, CEO of UnitedHealthcare, passed away on December 4, 2024.","UnitedHealth Group expresses deep sadness and shock; working with NYPD.","No replacement or interim CEO named in the filing.","Thompson was described as a highly respected colleague and friend."],"urls":{"canonical":"https://secwatch.observer/filing/0000731766-24-000340","json":"https://secwatch.observer/filing/0000731766-24-000340.json","markdown":"https://secwatch.observer/filing/0000731766-24-000340.md","text":"https://secwatch.observer/filing/0000731766-24-000340.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/731766/000073176624000340/0000731766-24-000340-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/731766/000073176624000340/unh-20241204.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T09:08:59.510141+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"}