{"schema_version":"secwatch.filing_event.v1","accession":"0001071739-21-000217","form_type":"8-K","ticker":"CNC","cik":"0001071739","company_name":"CENTENE CORP","filed_at":"2021-10-08T23:59:59+00:00","discovered_at":"2026-05-14T18:04:11.371549+00:00","generated_at":"2026-06-28T21:43:08.182511+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"David L. Steward retires from Centene Board after 18 years, effective Oct 6","bullets":["David L. Steward notified Centene of his retirement on Oct 5; effective Oct 6, 2021.","Steward served on the Board since 2003; departure is not due to any dispute.","Recent board refresh includes Gen. Lori Robinson (2019), Dallas, Trubeck (2020), and Sarah London as Vice Chairman (Sept 2021)."],"urls":{"canonical":"https://secwatch.observer/filing/0001071739-21-000217","json":"https://secwatch.observer/filing/0001071739-21-000217.json","markdown":"https://secwatch.observer/filing/0001071739-21-000217.md","text":"https://secwatch.observer/filing/0001071739-21-000217.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1071739/000107173921000217/0001071739-21-000217-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1071739/000107173921000217/cnc-20211005.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T21:43:08.182511+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":"bee453efcd","claim":"David L. Steward retired as Director at CENTENE CORP.","evidence_excerpt":"On October 5, 2021, David L. Steward notified Centene Corporation (the “Company”) of his intention to retire from the Board of Directors, effective October 6, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1071739/000107173921000217/0001071739-21-000217-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}