{"schema_version":"secwatch.filing_event.v1","accession":"0001022079-23-000056","form_type":"8-K","ticker":"DGX","cik":"0001022079","company_name":"QUEST DIAGNOSTICS INC","filed_at":"2023-03-07T23:59:59+00:00","discovered_at":"2026-05-14T18:03:43.538235+00:00","generated_at":"2026-06-18T09:13:06.969217+00:00","sec_items":["8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Quest CEO James Davis elected Chairman of Board effective April 1","bullets":["James E. Davis, CEO and President, elected Chairman effective April 1, 2023.","Davis succeeds Stephen H. Rusckowski, who has been Chairman since Jan 2017.","Board combined roles stating it is in best interest of shareholders; Lead Independent Director Tim Ring remains.","Rusckowski remains Chairman through March 31, 2023; Davis became CEO on Nov 1, 2022."],"urls":{"canonical":"https://secwatch.observer/filing/0001022079-23-000056","json":"https://secwatch.observer/filing/0001022079-23-000056.json","markdown":"https://secwatch.observer/filing/0001022079-23-000056.md","text":"https://secwatch.observer/filing/0001022079-23-000056.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1022079/000102207923000056/0001022079-23-000056-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1022079/000102207923000056/dgx-20230303.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T09:13:06.969217+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"}