{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-256098","form_type":"8-K","ticker":"THC","cik":"0000070318","company_name":"TENET HEALTHCARE CORP","filed_at":"2022-10-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:53.294668+00:00","generated_at":"2026-06-23T06:09:19.077606+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Executive Chairman Rittenmeyer resigns due to health; J. Robert Kerrey appointed Chairman","bullets":["Ronald A. Rittenmeyer resigned as Executive Chairman and Board member effective Oct 1, 2022 due to personal health reasons.","Board appointed J. Robert Kerrey, former Lead Director, as Chairman; Board reduced to ten directors.","Letter agreement treats resignation as disability termination under Rittenmeyer's employment agreement.","Senator Kerrey has served on Board since 2001, currently Managing Director at Allen & Company."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-256098","json":"https://secwatch.observer/filing/0001193125-22-256098.json","markdown":"https://secwatch.observer/filing/0001193125-22-256098.md","text":"https://secwatch.observer/filing/0001193125-22-256098.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/70318/000119312522256098/0001193125-22-256098-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/70318/000119312522256098/d403443d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-23T06:09:19.077606+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":"0fa3961fd0","claim":"J. Robert Kerrey was appointed as Chairman of the Board at TENET HEALTHCARE CORP.","evidence_excerpt":"The Board appointed J. Robert Kerrey as Chairman of the Board effective as of October 1, 2022, and reduced the number of authorized directors on the Board to ten.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/70318/000119312522256098/0001193125-22-256098-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"},{"claim_id":"6b9c43137f","claim":"Ronald A. Rittenmeyer resigned as Executive Chairman at TENET HEALTHCARE CORP.","evidence_excerpt":"Ronald A. Rittenmeyer, who had served as the Executive Chairman of Tenet Healthcare Corporation (the “Company”) and as a member of the board of directors of the Company (the “Board”), resigned due to personal health reasons effective as of October 1, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/70318/000119312522256098/0001193125-22-256098-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Executive Chairman"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}