{"schema_version":"secwatch.filing_event.v1","accession":"0000731766-25-000150","form_type":"8-K","ticker":"UNH","cik":"0000731766","company_name":"UNITEDHEALTH GROUP INC","filed_at":"2025-05-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.127013+00:00","generated_at":"2026-05-20T23:12:34.224688+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"UnitedHealth director Andrew Witty resigns from board, won't seek re-election","bullets":["Board accepted Andrew Witty's resignation as a director, effective May 20, 2025.","Witty will not stand for re-election at the 2025 annual shareholder meeting on June 2, 2025.","No reason for the resignation was disclosed in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0000731766-25-000150","json":"https://secwatch.observer/filing/0000731766-25-000150.json","markdown":"https://secwatch.observer/filing/0000731766-25-000150.md","text":"https://secwatch.observer/filing/0000731766-25-000150.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/731766/000073176625000150/0000731766-25-000150-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/731766/000073176625000150/unh-20250520.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T23:12:34.224688+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":"7d1d9c5f6f","claim":"Andrew Witty resigned as director at UNITEDHEALTH GROUP INC.","evidence_excerpt":"the Board of Directors of UnitedHealth Group Incorporated (the “Company”) accepted Andrew Witty’s resignation as a director of the Company, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/731766/000073176625000150/0000731766-25-000150-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}