{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-24-052805","form_type":"8-K","ticker":"MLM","cik":"0000916076","company_name":"MARTIN MARIETTA MATERIALS INC","filed_at":"2024-05-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:22.436095+00:00","generated_at":"2026-06-02T23:39:34.641591+00:00","sec_items":["1.04"],"event_type":"regulatory","sentiment":"negative","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Martin Marietta receives MSHA 107(a) order at Red Canyon Quarry over fall-protection violation","bullets":["On May 1, 2024, MSHA issued a 107(a) order at Martin Marietta's Red Canyon Quarry in Colorado Springs, CO.","A truck driver sat on the trailer edge without fall protection, violating company policies and exposing him to fall risk.","Corrective action was taken immediately; no injuries occurred and the order has been terminated."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-24-052805","json":"https://secwatch.observer/filing/0000950170-24-052805.json","markdown":"https://secwatch.observer/filing/0000950170-24-052805.md","text":"https://secwatch.observer/filing/0000950170-24-052805.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/916076/000095017024052805/0000950170-24-052805-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/916076/000095017024052805/mlm-20240501.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-02T23:39:34.641591+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"}