Welcome to our dedicated page for Martin Mari Mat SEC filings (Ticker: MLM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to U.S. Securities and Exchange Commission filings for Martin Marietta Materials, Inc. (NYSE: MLM), an American-based S&P 500 company and supplier of aggregates, cement, ready mixed concrete, asphalt, and magnesia specialties. Through these filings, investors can review the company’s official disclosures on its building materials and Magnesia Specialties businesses, financing arrangements and strategic plans.
Martin Marietta’s periodic reports on Forms 10-K and 10-Q, referenced in company communications, contain detailed information on its aggregates-led building materials operations, magnesia and dolomitic lime products, geographic footprint across 28 states, Canada and The Bahamas, and risk factors affecting construction-related demand. Current reports on Form 8-K, several of which are summarized here, disclose material events such as quarterly earnings announcements, preliminary financial results, strategic asset exchanges with Quikrete Holdings, Inc., and the acquisition of Premier Magnesia, LLC.
Other 8-K filings describe amendments to the company’s senior unsecured revolving credit facility and trade receivables securitization facility, including extensions of maturity dates and key terms. These documents help investors understand Martin Marietta’s liquidity, capital structure and access to credit. Filings also cover items such as executive appointments and investor presentations related to the company’s Strategic Operating Analysis and Review plans, including SOAR 2030.
On Stock Titan, Martin Marietta’s SEC filings are updated as they are posted to EDGAR. AI-powered summaries can help explain the contents of lengthy reports, highlight changes from prior filings and point out items such as quarterly results, guidance updates and major financing or portfolio transactions, allowing users to navigate MLM’s regulatory history more efficiently.
Martin Marietta Materials, Inc. filed a Form S-3 shelf registration to register debt securities, common stock, preferred stock and warrants for sale from time to time after the effective date. The prospectus permits offerings on a continuous or delayed basis and states net proceeds will be used for general corporate purposes.
The prospectus notes the company is authorized to issue up to 100,000,000 shares of common stock and 10,000,000 shares of preferred stock, and that 60,309,739 shares of common stock were issued and outstanding as of December 31, 2025. Distribution methods listed include underwritten offerings, at-the-market sales, private placements and other means described in prospectus supplements.
Martin Marietta Materials presents itself as a leading U.S. aggregates-led building materials and magnesia products company, operating about 400 quarries, mines and distribution yards across 28 states, Canada and The Bahamas. Aggregates generated 88% of reportable segment gross profit in 2025, underscoring the core focus on stone, sand and gravel used in infrastructure, nonresidential and residential construction.
The company reshaped its portfolio with major 2024–2025 transactions. It sold its South Texas cement and related ready-mix operations to CRH for $2.1 billion in cash, recording a pretax gain of $1.3 billion, and used proceeds to help fund the $2.05 billion Blue Water Industries Southeast aggregates acquisition. Additional bolt-on aggregates deals in South Florida, Southern California, West Texas and Minnesota further deepened its footprint.
In 2025 Martin Marietta also bought Premier Magnesia, expanding its Specialties segment, and signed an asset-exchange agreement with QUIKRETE that would add aggregates facilities producing about 20 million tons annually while divesting its Midlothian cement plant and most remaining Texas ready-mix assets, which are classified as held for sale and reported as discontinued operations. Management highlights roughly 85 years of average aggregates reserves and emphasizes exposure to public infrastructure demand, balanced by detailed risk disclosures around construction cyclicality, weather, regulation, climate transition and integration of acquisitions.
Martin Marietta Materials reported equity compensation activity for SVP and CFO Michael J. Petro. He acquired 1,724 shares of common stock at no cost through the settlement of previously granted performance share units. These units were granted on February 24, 2023, and tied to performance goals measured from January 1, 2023 through December 31, 2025.
On February 17, 2026, the company’s Management Development and Compensation Committee certified the achievement of the applicable performance goals and approved settlement of the grant. On the same date, 758 shares were disposed of at $666.53 per share to cover tax obligations, a tax-withholding disposition rather than an open-market sale. Following these transactions, Petro directly holds 11,772.6026 common shares.
Martin Marietta Materials senior vice president and CIO Jason Paul Flynn reported equity compensation activity involving company common stock. He acquired 222 shares at no cost as a grant and award settlement, increasing his direct holdings as part of long-term incentive compensation.
These 222 shares reflect the settlement of previously granted performance share units tied to goals measured from January 1, 2023 through December 31, 2025, which were certified and approved for settlement on February 17, 2026. In a separate tax-withholding disposition, 107 shares were delivered at a price of $666.53 per share to cover tax obligations, leaving him with 4,514 directly owned shares after the transactions.
Martin Marietta Materials Chairman, President and CEO C. Howard Nye reported equity compensation activity in the form of common stock. He acquired 22,365 shares at $0.00 per share as a grant/award, reflecting settlement of performance share units previously granted under the company’s stock-based award plan.
On the same date, 9,717 shares of common stock were disposed of at $666.53 per share to satisfy tax obligations through a tax-withholding disposition. Following these transactions, Nye directly owned 164,524 common shares, and an additional 70,400 shares were held indirectly through the Charles Howard Nye Irrevocable Trust.
Martin Marietta Materials senior vice president, controller and chief accounting officer Robert J. Cardin reported equity compensation activity in company common stock. He acquired 1,869 shares at no cost through the settlement of previously granted performance share units, increasing his direct holdings before tax withholding.
On the same date, 822 shares were disposed of to satisfy tax obligations related to this award, leaving him with 12,113 directly owned shares afterward. The performance share units were granted in February 2023 and vested based on achievement of performance goals over the 2023–2025 period, with goals certified and settlement approved on February 17, 2026.
Martin Marietta Materials, Inc. reported a mine safety event at its Kokomo Quarry in Indiana. On February 11, 2026, the Mine Safety and Health Administration issued a section 107(a) order after a miner was seen standing on a crusher platform about 10 feet above ground without being properly anchored, despite wearing fall protection.
The company states that corrective action was taken, no one was injured, and the MSHA order has been terminated. This describes a resolved safety compliance incident rather than an ongoing shutdown or continuing violation.
Martin Marietta Materials reported record 2025 aggregates and specialties results while lapping a large 2024 divestiture gain. Full-year revenues from continuing operations rose to $6.15 billion from $5.66 billion and gross profit increased to $1.89 billion from $1.64 billion. Adjusted EBITDA from continuing operations grew to $2.07 billion from $1.77 billion.
Net earnings from continuing operations attributable to Martin Marietta declined to $990 million from $1.82 billion, reflecting a prior-year nonrecurring divestiture gain rather than weaker operations. Aggregates shipments rose to 198.5 million tons with average selling price up to $23.30 per ton, lifting gross profit per ton by 12%.
Cash from operations reached $1.79 billion, funding $807 million of capital spending and $647 million of dividends and share repurchases. The company outlined 2026 guidance with revenues of $6.42–$6.78 billion, Adjusted EBITDA from continuing operations of $2.16–$2.31 billion, and modest aggregates volume and pricing growth.
Martin Marietta Materials, Inc. reported a change in the expected closing date of its previously announced asset exchange with Quikrete Holdings, Inc. The company had originally anticipated closing the transaction in the fourth quarter of 2025, subject to customary closing conditions. It now expects the asset exchange to close in the first quarter of 2026, still dependent on satisfaction of the remaining customary closing conditions. The update is being provided as a Regulation FD disclosure and is not incorporated into other securities law filings unless specifically referenced.
Martin Marietta Materials, Inc. entered into a new amendment to its existing $800,000,000 five-year senior unsecured revolving credit facility with a bank syndicate led by JPMorgan Chase Bank. The amendment, called Loan Modification No. 4 and Extension Agreement, primarily extends the maturity date of loans under the credit facility to December 21, 2030. This keeps a large committed credit line in place for a longer period, supporting the company’s access to liquidity on an unsecured basis through the new maturity date.