secwatch.observer — SEC 8-K summary ====================================== Issuer: MARTIN MARIETTA MATERIALS INC (MLM) CIK: 0000916076 Form: 8-K Filed at: 2023-05-26T23:59:59+00:00 Accession: 0000950170-23-024429 Event type: regulatory Sentiment: negative Materiality: 0.15 Item codes: 1.04 LLM model: deepseek-v4-flash:cloud@v2 Martin Marietta receives MSHA section 107(a) order at Stamper Underground Mine for lack of fall protection -------------------------------------------------------------------------------- - Order issued May 23, 2023, at Stamper Underground Mine in Kansas City, Missouri. - Maintenance personnel worked 12 feet off ground without fall protection. - Corrective action taken, order terminated; no injuries reported. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/916076/000095017023024429/0000950170-23-024429-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/916076/000095017023024429/mlm-20230523.htm HTML page: https://secwatch.observer/filing/0000950170-23-024429 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer