secwatch.observer — SEC 8-K summary
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Issuer:     MARTIN MARIETTA MATERIALS INC (MLM)
CIK:        0000916076
Form:       8-K
Filed at:   2026-06-29T11:43:18+00:00
Accession:  0000950157-26-000758
Event type: m_and_a
Sentiment:  positive
Materiality: 0.90
Item codes: 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Martin Marietta to acquire Lhoist North America for $13.5B in cash and stock
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- Enterprise value $13.5B: $7B cash + $6.5B stock; expected close H2 2026 subject to regulatory approvals.
- LNA 2025A gross sales $1.8B, Adj. EBITDA $786M (45% margin), 94% free cash flow conversion.
- Expected ~$85M annual run-rate cost synergies within 2 years; deal accretive to earnings and margins in first year.
- LNA controls >2B tons limestone reserves (200+ years useful life), #1 U.S. lime producer.
- Berghmans family to own ~15% of MLM post-deal and appoint one director and one observer.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/916076/000095015726000758/0000950157-26-000758-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/916076/000095015726000758/form8-k.htm
  HTML page:      https://secwatch.observer/filing/0000950157-26-000758

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer