{"schema_version":"secwatch.filing_event.v1","accession":"0000731766-24-000026","form_type":"8-K","ticker":"UNH","cik":"0000731766","company_name":"UNITEDHEALTH GROUP INC","filed_at":"2024-02-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:26.793172+00:00","generated_at":"2026-06-06T07:29:24.989163+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"UnitedHealth Group President and COO Dirk McMahon to retire April 1, 2024","bullets":["Dirk McMahon (age 64) notified the company on Feb 6, 2024 of his retirement effective April 1, 2024.","He served as President and COO for over 20 years, contributing to growth at UnitedHealthcare and Optum.","Equity awards that qualify for retirement treatment will continue to vest according to their terms.","No replacement for the President and COO position has been announced in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0000731766-24-000026","json":"https://secwatch.observer/filing/0000731766-24-000026.json","markdown":"https://secwatch.observer/filing/0000731766-24-000026.md","text":"https://secwatch.observer/filing/0000731766-24-000026.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/731766/000073176624000026/0000731766-24-000026-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/731766/000073176624000026/unh-20240206.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-06T07:29:24.989163+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":"c5242eac9a","claim":"Dirk McMahon retired as President and Chief Operating Officer at UNITEDHEALTH GROUP INC.","evidence_excerpt":"On February 6, 2024, Dirk McMahon (age 64), President and Chief Operating Officer of UnitedHealth Group Incorporated (the “Company”), notified the Company of his decision to retire, effective April 1, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/731766/000073176624000026/0000731766-24-000026-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"President and Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}