{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-017447","form_type":"8-K","ticker":"MLM","cik":"0000916076","company_name":"MARTIN MARIETTA MATERIALS INC","filed_at":"2023-05-04T23:59:59+00:00","discovered_at":"2026-05-14T18:03:42.792395+00:00","generated_at":"2026-06-15T23:51:02.738558+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 Q1 earnings beat with record revenues, adj. EBITDA $324M; guidance at high end","bullets":["Q1 total revenues $1.354B (+10% YoY); EPS $2.16 vs $0.39; record aggregates gross profit per ton $5.70.","Aggregates pricing +22.6% (record); volume -0.8% due to California weather; gross margin expanded 1250bps to 26.1%.","Cement pricing +32.2% (record); shipments -6.8% due to Texas weather; gross profit +75.4% to $47.1M, gross margin 28.0%.","2023 guidance: adjusted EBITDA $1.8-1.9B (consistent with high end); aggregates ASP growth 13-15%.","Terminated sale of Tehachapi cement plant to CalPortland; divested California cement import operations on May 3, 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-017447","json":"https://secwatch.observer/filing/0000950170-23-017447.json","markdown":"https://secwatch.observer/filing/0000950170-23-017447.md","text":"https://secwatch.observer/filing/0000950170-23-017447.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/916076/000095017023017447/0000950170-23-017447-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/916076/000095017023017447/mlm-20230504.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-15T23:51:02.738558+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":"4d651f7d964dc91e05321188c8148a470c73a68c","claim":"MARTIN MARIETTA MATERIALS INC reported first quarter ended March 31, 2023 results: revenue Total revenues ... $ 1,354.1 ... $ 1,230.8, net income Net earnings from continuing operations attributable to Martin Marietta $ 134.3 $ 24.5, EPS Earnings per diluted share from continuing operations $ 2.16 $ 0.39. Guidance reaffirmed.","evidence_excerpt":"2023. First-Quarter Highlights (Financial highlights are for continuing operations) Quarter Ended March 31, (In millions, except per share) 2023 2022 % Change Total revenues 1 $ 1,354.1 $ 1,230.8 10.0% Gross profit $ 302.8 $ 156.1 94.0% Earnings from operations $ 196.1 $ 59.9 227.4% Net earnings from continuing operations attributable to Martin Marietta $ 134.3 $","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/916076/000095017023017447/0000950170-23-017447-index.htm","confidence":0.95,"family_label":"Earnings Releases","details":[{"label":"Period","value":"first quarter ended March 31, 2023"},{"label":"Revenue","value":"Total revenues ... $ 1,354.1 ... $ 1,230.8"},{"label":"Net income","value":"Net earnings from continuing operations attributable to Martin Marietta $ 134.3 $ 24.5"},{"label":"EPS","value":"Earnings per diluted share from continuing operations $ 2.16 $ 0.39"},{"label":"Guidance","value":"reaffirmed"},{"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"}