Martin Marietta Materials SEC filings, summarized
We read every Martin Marietta Materials 8-K filing and insider trade the night it hits SEC EDGAR, and turn it into a two-minute plain-English summary.
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Recent filings
Martin Marietta Completes Combination With Lhoist North America
Martin Marietta completed its previously announced combination with Lhoist North America, a Lhoist Group subsidiary, on August 21, 2026, and announced the…
Martin Marietta completes combination with Lhoist North America
Martin Marietta completed its combination with Lhoist North America, a Lhoist Group subsidiary, on August 21, 2026, adding lime and industrial mineral…
Martin Marietta completes combination with Lhoist North America
Martin Marietta completed its combination with Lhoist North America, a Lhoist Group subsidiary, on August 21, 2026, expanding its lime and industrial…
Martin Marietta completes combination with Lhoist North America
Martin Marietta Materials completed its previously announced combination with Lhoist North America, a Lhoist Group subsidiary, on August 21, 2026. The deal…
Martin Marietta Completes Lhoist North America Combination
Martin Marietta Materials completed its combination with Lhoist North America on August 21, 2026, and entered into shareholder and registration rights…
Martin Marietta files legal opinions for notes offering
Martin Marietta Materials filed legal opinions from Robinson, Bradshaw & Hinson, P.A. and Cravath, Swaine & Moore LLP in connection with its notes offering.…
Martin Marietta Issues $5.5 Billion of Notes for Lhoist Acquisition
On August 14, 2026, Martin Marietta issued $5.5 billion of senior unsecured notes with interest rates ranging from 4.850% to 6.375% and maturities from 2029…
Martin Marietta Discloses Material Agreement, Refers to Item 2.03
Martin Marietta Materials disclosed that information about a material definitive agreement is included by reference to Item 2.03 of the same filing. The…
Martin Marietta Prices $5.5 Billion Debt Offering to Fund Lhoist Acquisition
Martin Marietta priced $5.5 billion of senior notes across five maturities from 2029 to 2056, with coupon rates ranging from 4.850% to 6.375%. The notes,…
Martin Marietta Prices $5.5 Billion Debt Offering to Fund Lhoist Deal
Martin Marietta entered an underwriting agreement with Goldman Sachs, J.P. Morgan, Deutsche Bank and Truist for five senior note tranches totaling $5.5…
Martin Marietta clears regulatory approvals for $13.5 billion Lhoist deal
Martin Marietta Materials received all required regulatory approvals on August 5, 2026, clearing a key condition for its planned acquisition of Lhoist North…
Martin Marietta receives approvals for $13.5 billion Lhoist North America deal
Martin Marietta said August 5, 2026, that it received all required regulatory approvals to acquire Lhoist North America from Belgium-based LNA Holding SRL…
Martin Marietta Promotes Michael Petro to CFO With $5 Million Equity Grant
Martin Marietta Materials promoted Michael J. Petro to executive vice president and chief financial officer on August 4, 2026. His compensation includes a…
Martin Marietta raises 2026 revenue guidance after record second-quarter sales
Martin Marietta reported second-quarter 2026 revenue of $1.947 billion, up 21% from a year earlier, while adjusted EBITDA rose 13% to $638 million and…
Martin Marietta raises 2026 revenue guidance after record second-quarter sales
Martin Marietta reported second-quarter 2026 revenue of $1.947 billion, up 21% from $1.609 billion a year earlier, while adjusted EBITDA rose 13% to $638…
Martin Marietta ($MLM) filed Item 9.01 exhibits: Equity & Asset Exchange Agreement with Quikrete Holdings…
Martin Marietta ($MLM) filed Item 9.01 exhibits: Equity & Asset Exchange Agreement with Quikrete Holdings (dated Aug 3, 2025; incorporated by reference to…
Feb 23, 2026: Martin Marietta ($MLM) announced the Transaction has closed and released a press release +…
Feb 23, 2026: Martin Marietta ($MLM) announced the Transaction has closed and released a press release + investor presentation, furnished as Exhibits 99.1 &…
Martin Marietta ($MLM) completed an asset exchange with Quikrete on Feb 23, 2026 (Exchange Agreement dated…
Martin Marietta ($MLM) completed an asset exchange with Quikrete on Feb 23, 2026 (Exchange Agreement dated Aug 3, 2025). MLM transferred its Midlothian…
On Feb 11, 2026 Martin Marietta ($MLM) received an MSHA Section 107(a) order at its Kokomo Quarry (Kokomo,…
On Feb 11, 2026 Martin Marietta ($MLM) received an MSHA Section 107(a) order at its Kokomo Quarry (Kokomo, IN) after a miner on a ~10-ft elevated crusher…
Martin Marietta ($MLM) filed an 8-K on Feb 11, 2026 attaching Exhibit 99.1 — a press release announcing Q4…
Martin Marietta ($MLM) filed an 8-K on Feb 11, 2026 attaching Exhibit 99.1 — a press release announcing Q4 and full-year results for the period ended Dec…