{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-24-014932","form_type":"8-K","ticker":"MLM","cik":"0000916076","company_name":"MARTIN MARIETTA MATERIALS INC","filed_at":"2024-02-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:27.277356+00:00","generated_at":"2026-06-06T02:56:47.557306+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Martin Marietta posts record FY23 revenue $6.78B, EPS $19.32; acquires two aggregates businesses, divests Texas ops","bullets":["Full-year 2023 revenue $6.78B (+10% YoY); diluted EPS $19.32 vs $13.70 (+41%).","Q4 revenue $1.61B (+8.9%); EPS $4.63 vs $3.01 (+53.8%).","Full-year Adjusted EBITDA $2.13B (+33%); aggregates unit profitability +46.4%.","Acquired Albert Frei & Sons (Colorado) Jan 12, 2024; agreed to buy BWI Southeast (~1B tons reserves) Feb 11, 2024.","FY24 Adj. EBITDA guidance $2.14-2.34B ($2.37B pro forma); $324M returned to shareholders in 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-24-014932","json":"https://secwatch.observer/filing/0000950170-24-014932.json","markdown":"https://secwatch.observer/filing/0000950170-24-014932.md","text":"https://secwatch.observer/filing/0000950170-24-014932.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/916076/000095017024014932/0000950170-24-014932-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/916076/000095017024014932/mlm-20240214.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-06T02:56:47.557306+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":[{"claim_id":"4ec8fd04d3202db8f5ef41c54f64277c280c1cc8","claim":"MARTIN MARIETTA MATERIALS INC reported financial results for the fourth quarter and year ended December 31, 2023.","evidence_excerpt":"On February 14, 2024, the Company announced financial results for the fourth quarter and year ended December 31, 2023.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/916076/000095017024014932/0000950170-24-014932-index.htm","confidence":0.8,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the fourth quarter and year ended December 31, 2023"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}