{"schema_version":"secwatch.filing_event.v1","accession":"0000731766-26-000274","form_type":"8-K","ticker":"UNH","cik":"0000731766","company_name":"UNITEDHEALTH GROUP INC","filed_at":"2026-11-09T21:33:53+00:00","discovered_at":"2026-11-09T21:35:00.254828+00:00","generated_at":"2026-11-09T21:35:13.511418+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"UnitedHealth adds Madeline Bell, ex-CEO of Children's Hospital of Philadelphia, to board","bullets":["Madeline S. Bell appointed independent director of UnitedHealth Group (NYSE: UNH), effective November 3, 2026; announced November 9, 2026.","Bell spent four decades at Children's Hospital of Philadelphia, starting as a pediatric staff nurse in 1983, serving as COO 2007-2015 and president/CEO 2015 until retiring last month.","She has not yet been assigned to any board committees; will be paid under UNH's standard non-employee director program and given its standard indemnification agreement.","Bell currently serves on Comcast's board and previously chaired the Federal Reserve Bank of Philadelphia's Board of Directors.","CEO Stephen J. Hemsley said her clinician and pediatric health system experience will bring an important perspective to the Board."],"urls":{"canonical":"https://secwatch.observer/filing/0000731766-26-000274","json":"https://secwatch.observer/filing/0000731766-26-000274.json","markdown":"https://secwatch.observer/filing/0000731766-26-000274.md","text":"https://secwatch.observer/filing/0000731766-26-000274.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/731766/000073176626000274/0000731766-26-000274-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/731766/000073176626000274/unh-20261103.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-11-09T21:35:13.511418+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":"952f33bc8f","claim":"Madeline Bell was appointed as Independent Director at UNITEDHEALTH GROUP INC.","evidence_excerpt":"On November 9, 2026, UnitedHealth Group Incorporated (the “Company”) issued a press release announcing the appointment of Madeline Bell to serve as an independent director of the Company, effective November 3, 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/731766/000073176626000274/0000731766-26-000274-index.htm","confidence":0.95,"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"}