{"schema_version":"secwatch.filing_event.v1","accession":"0000920148-25-000123","form_type":"8-K","ticker":"LH","cik":"0000920148","company_name":"LABCORP HOLDINGS INC.","filed_at":"2025-12-15T23:59:59+00:00","discovered_at":"2026-05-14T18:02:42.607459+00:00","generated_at":"2026-05-16T13:19:15.723589+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Labcorp EVP, President of Diagnostics Labs & COO Mark Schroeder to retire April 1, 2026","bullets":["Mark Schroeder notified Labcorp of retirement effective April 1, 2026.","Schroeder serves as EVP, President of Diagnostics Laboratories and COO.","No successor has been announced; search process not disclosed."],"urls":{"canonical":"https://secwatch.observer/filing/0000920148-25-000123","json":"https://secwatch.observer/filing/0000920148-25-000123.json","markdown":"https://secwatch.observer/filing/0000920148-25-000123.md","text":"https://secwatch.observer/filing/0000920148-25-000123.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/920148/000092014825000123/0000920148-25-000123-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/920148/000092014825000123/lh-20251209.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T13:19:15.723589+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}