8-K current report · filed Aug 10, 2026

Martin Marietta Materials (MLM) 8-K Current Report: August 10, 2026

Item 8.01Item EX-99.1MLM overview

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Martin Marietta Materials (MLM) filed an 8-K current report with the SEC on August 10, 2026 reporting Item 8.01 (Other Events), Item EX-99.1 (Exhibit EX-99.1). All regulatory approvals received for Lhoist North America acquisition, removing a major closing hurdle.

Martin Marietta Materials 8-K event analysis

AI summary of each reported item and its exhibits

Item 8.01 · Other Events

  • All regulatory approvals received for Lhoist North America acquisition, removing a major closing hurdle
  • Transaction expected to close in Q3 2026, subject to remaining customary conditions
  • Acquisition adds LNA’s audited 2025 and 2024 financial statements to the filing record
  • Pro forma statements show expected combined financial profile as of June 30, 2026
  • Investor focus: closing timing, integration execution, debt covenant compliance and potential acquisition synergies

Item EX-99.1 · Exhibit EX-99.1

  • SEC-compliant financials support Martin Marietta’s proposed acquisition of Lhoist North America under the June 27, 2026 Securities Sale Agreement
  • 2025 sales $1.754B, operating income $683.0M, and net income $513.8M, indicating a highly profitable lime and limestone business
  • 2025 operating cash flow $556.3M supported $150.7M capital spending and $500.0M dividends
  • Debt totaled $955.6M at December 31, 2025, including $892.1M long-term debt and $63.5M current maturities
  • Restatement primarily reflects SEC reporting uplift, including $104.2M goodwill adjustment and 2025 net income reduction of $3.2M for commodity derivative treatment

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