{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-25-045396","form_type":"8-K","ticker":"VMC","cik":"0001396009","company_name":"Vulcan Materials CO","filed_at":"2025-12-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:39.300221+00:00","generated_at":"2026-05-16T13:20:36.672614+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Vulcan Materials CSO Stanley Bass to retire April 30, 2026","bullets":["Stanley G. Bass, Chief Strategy Officer, notified Vulcan of retirement effective April 30, 2026.","Board approved proration of his base salary through April 30, 2026.","Short-term and long-term incentive opportunities as % of base salary unchanged for 2026.","No successor named in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-25-045396","json":"https://secwatch.observer/filing/0001140361-25-045396.json","markdown":"https://secwatch.observer/filing/0001140361-25-045396.md","text":"https://secwatch.observer/filing/0001140361-25-045396.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1396009/000114036125045396/0001140361-25-045396-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1396009/000114036125045396/ef20061182_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T13:20:36.672614+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"}