{"schema_version":"secwatch.filing_event.v1","accession":"0000950157-26-000770","form_type":"8-K","ticker":"MLM","cik":"0000916076","company_name":"MARTIN MARIETTA MATERIALS INC","filed_at":"2026-06-29T21:27:36+00:00","discovered_at":"2026-06-29T21:28:00.613374+00:00","generated_at":"2026-06-29T21:28:34.812568+00:00","sec_items":["1.01","3.02","8.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":1.0,"calibrated_materiality_score":1.0,"confidence":"high","headline":"Martin Marietta to acquire Lhoist North America for $13.5B in cash and stock","bullets":["Total consideration $13.5B: $7B cash + $6.5B in new MLM shares (10,953,543 shares at 15-day VWAP).","LNA Holding to receive 10,953,543 newly issued MLM shares and $7B cash.","Transaction closing expected by Oct 31, 2026, extendable to June 15, 2027; subject to HSR and regulatory approvals.","Termination fee of $350M payable by MLM if regulatory clearances not obtained by extended long-stop date.","LNA Holding will hold ~15% of MLM post-close, get board seat and observer rights, shares locked up 12-24 months."],"urls":{"canonical":"https://secwatch.observer/filing/0000950157-26-000770","json":"https://secwatch.observer/filing/0000950157-26-000770.json","markdown":"https://secwatch.observer/filing/0000950157-26-000770.md","text":"https://secwatch.observer/filing/0000950157-26-000770.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/916076/000095015726000770/0000950157-26-000770-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/916076/000095015726000770/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T21:28:34.812568+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"}