{"schema_version":"secwatch.filing_event.v1","accession":"0000731766-23-000061","form_type":"8-K","ticker":"UNH","cik":"0000731766","company_name":"UNITEDHEALTH GROUP INC","filed_at":"2023-11-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:31.860378+00:00","generated_at":"2026-06-08T22:52:09.712147+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Charlie Baker appointed to UnitedHealth Group Board of Directors effective Oct 30, 2023","bullets":["Charles D. Baker (former Massachusetts governor, former CEO of Harvard Pilgrim Health Care) appointed independent director.","Also appointed to Audit and Finance Committee and Health and Clinical Practice Policies Committee.","Baker currently president of NCAA; previously served 10 years as CEO of Harvard Pilgrim Health Care.","Appointment effective October 30, 2023, announced November 3, 2023.","No arrangements or understandings with any other person regarding appointment."],"urls":{"canonical":"https://secwatch.observer/filing/0000731766-23-000061","json":"https://secwatch.observer/filing/0000731766-23-000061.json","markdown":"https://secwatch.observer/filing/0000731766-23-000061.md","text":"https://secwatch.observer/filing/0000731766-23-000061.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/731766/000073176623000061/0000731766-23-000061-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/731766/000073176623000061/unh-20231103.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-08T22:52:09.712147+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":"75461864d7","claim":"Charles D. Baker was appointed as independent director at UNITEDHEALTH GROUP INC.","evidence_excerpt":"On November 3, 2023, UnitedHealth Group Incorporated (“the “Company”) issued a press release announcing the appointment of Charles D. Baker to serve as an independent director of the Company, effective October 30, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/731766/000073176623000061/0000731766-23-000061-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"independent director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}