{"schema_version":"secwatch.filing_event.v1","accession":"0000927066-23-000070","form_type":"8-K","ticker":"DVA","cik":"0000927066","company_name":"DAVITA INC.","filed_at":"2023-03-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.623515+00:00","generated_at":"2026-06-17T22:47:43.475503+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"DaVita CAO John Winstel to step down, effective no later than Sept 5, 2023","bullets":["John Winstel notified DaVita on March 15, 2023 of his decision to step down as Chief Accounting Officer.","Transition period expected to end no later than September 5, 2023; Winstel will continue in role until then or until a successor is named.","Departure not due to any disagreement with the Company or its independent registered public accounting firm.","Company has commenced a search for Winstel's successor."],"urls":{"canonical":"https://secwatch.observer/filing/0000927066-23-000070","json":"https://secwatch.observer/filing/0000927066-23-000070.json","markdown":"https://secwatch.observer/filing/0000927066-23-000070.md","text":"https://secwatch.observer/filing/0000927066-23-000070.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/927066/000092706623000070/0000927066-23-000070-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/927066/000092706623000070/dva-20230315.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T22:47:43.475503+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":"fb072741f7","claim":"John Winstel departed as Chief Accounting Officer at DAVITA INC..","evidence_excerpt":"On March 15, 2023, John Winstel, Chief Accounting Officer of DaVita Inc. (the “Company”) notified the Company of his decision to step down from his position, with an expected transition period to end no later than September 5, 2023 (the “Effective Date”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/927066/000092706623000070/0000927066-23-000070-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"stepped down"},{"label":"Role","value":"Chief Accounting Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}