8-K current report · filed Jun 29, 2026

Martin Marietta Materials (MLM) 8-K Current Report: June 29, 2026

Item 7.01Item EX-99.1MLM overview

Short answer

Martin Marietta Materials (MLM) filed an 8-K current report with the SEC on June 29, 2026 reporting Item 7.01 (Regulation FD Disclosure), Item EX-99.1 (Exhibit EX-99.2). Exhibits 99.1 and 99.2 contain the substantive Regulation FD disclosure and should be reviewed for transaction details.

Martin Marietta Materials 8-K event analysis

AI summary of each reported item and its exhibits

Item 7.01 · Regulation FD Disclosure

  • Exhibits 99.1 and 99.2 contain the substantive Regulation FD disclosure and should be reviewed for transaction details
  • Disclosure indicates a pending transaction exposed to closing conditions and potential regulatory approval
  • Key risks include management distraction, global economic conditions, industry weakness, and business uncertainty
  • Information furnished under Regulation FD, limiting Exchange Act Section 18 liability and incorporation by reference

Item EX-99.1 · Exhibit EX-99.2

  • $13.5B Lhoist North America combination creates the nation’s leading lime and limestone platform
  • Consideration includes $7.0B cash and $6.5B Martin Marietta stock, with regulatory approvals required
  • LNA generated $1.8B sales and $786M Adjusted EBITDA in 2025, implying approximately 15x Adjusted EBITDA
  • Approximately $85M annual run-rate cost synergies expected, with earnings and margin accretion projected in the first full year
  • Closing leverage expected at 3.7x, with target below 2.5x within 24 months; Berghmans family expected to own approximately 15% post-close

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