{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-25-037980","form_type":"8-K","ticker":"VMC","cik":"0001396009","company_name":"Vulcan Materials CO","filed_at":"2025-10-14T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.299572+00:00","generated_at":"2026-05-17T03:52:00.977600+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Vulcan Materials names Ronnie Pruitt CEO effective Jan. 1, 2026; Hill becomes Executive Chairman","bullets":["Ronnie Pruitt, current COO, elected CEO effective Jan. 1, 2026; also expected to join the Board.","J. Thomas Hill steps down as CEO but remains Executive Chairman of the Board.","Succession follows a comprehensive planning process; compensation terms to be disclosed later.","Pruitt has 30+ years in building materials, joined Vulcan via 2021 U.S. Concrete acquisition."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-25-037980","json":"https://secwatch.observer/filing/0001140361-25-037980.json","markdown":"https://secwatch.observer/filing/0001140361-25-037980.md","text":"https://secwatch.observer/filing/0001140361-25-037980.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1396009/000114036125037980/0001140361-25-037980-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1396009/000114036125037980/ef20056957_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T03:52:00.977600+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"}