Martin Marietta Materials EVP and CHRO Donald A. McCunniff reported a tax-related share disposition under a benefit transaction. On February 23, 2026, he disposed of 192 shares of common stock at $683.60 per share to satisfy tax withholding obligations. After this transaction, his reported direct holdings totaled 4,558 shares of Martin Marietta Materials common stock.
Martin Marietta Materials senior vice president and CIO Jason Paul Flynn reported two tax-related share dispositions under an equity award. On February 23, 177 shares of common stock were withheld at $683.60 per share, and on February 24, 30 shares were withheld at $696.85 per share. After these transactions, he directly owned 5,494 common shares.
Martin Marietta Materials senior vice president, controller and chief accounting officer Robert J. Cardin reported two tax-related share dispositions. On February 24, he disposed of 103 common shares at $696.85 per share to satisfy tax withholding obligations. On February 23, he similarly disposed of 209 shares at $683.60 per share for tax withholding. Following these transactions, he directly held 12,459 common shares.
Petro Michael J reported acquisition or exercise transactions in this Form 4 filing.
Martin Marietta Materials reported that Senior Vice President and Chief Financial Officer Michael J. Petro received an equity compensation grant of 931 shares of common stock on February 20, 2026. These shares were awarded as restricted stock units under the company’s Amended and Restated Stock-Based Award Plan and carry no purchase price.
The award vests in equal installments over three years from the grant date, meaning Petro earns the shares gradually over time as he continues in his role. Following this grant, his directly held common stock position increased to 12,703.6026 shares, reflecting ongoing alignment of executive compensation with shareholder interests through stock-based awards.
Martin Marietta Materials’ Chairman, President and CEO C. Howard Nye received equity awards of company common stock. On February 20, 2026, he acquired 2,216 shares at a grant value of $548.75 per share and an additional 6,405 shares at no cost, including a restricted stock unit award that vests in equal installments over three years. Following these grants, he directly owns 173,145 shares, with a further 70,400 shares held indirectly through the Charles Howard Nye Irrevocable Trust.
McCunniff Donald A. reported acquisition or exercise transactions in this Form 4 filing.
Martin Marietta Materials executive vice president and chief human resources officer Donald A. McCunniff received an award of 1,277 shares of common stock in the form of restricted stock units. The grant was made at no cash cost to him and was issued under the company’s Amended and Restated Stock-Based Award Plan.
The restricted stock units vest in equal annual installments over three years from the grant date, encouraging longer-term retention and alignment with shareholders. After this grant, McCunniff directly holds 4,750 shares of Martin Marietta common stock.
Martin Marietta Materials senior vice president and CIO Jason Paul Flynn reported stock awards on common shares. On February 20, 2026, he acquired 592 shares at a reported value of $548.75 per share and a further 595 shares at a stated price of $0.00 per share through grants.
Following these transactions, his directly held common stock increased to 5,701 shares. A related footnote explains that one award is a restricted stock unit grant under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan, vesting in equal annual installments over three years from the grant date.
Cardin Robert J reported acquisition or exercise transactions in this Form 4 filing.
Martin Marietta Materials senior vice president, controller and chief accounting officer Robert J. Cardin received an equity award of 658 shares of common stock in the form of restricted stock units. The award was granted at no cash cost to him and will vest in equal installments over three years from the grant date, encouraging longer-term alignment with the company’s performance.
Martin Marietta Materials completed a major asset exchange with Quikrete Holdings, trading its Midlothian, Texas cement plant, related cement terminals, North Texas ready-mix concrete assets and certain nonoperating land for Quikrete aggregates operations and $450 million in cash.
The acquired aggregates businesses produce about 20 million tons annually across Virginia, Missouri, Kansas and Vancouver, British Columbia, described as the largest aggregates acquisition in the company’s history. Management characterizes the deal as tax-efficient and aimed at shifting the portfolio toward higher-margin, less cyclical aggregates while preserving balance sheet flexibility.
Updated 2026 guidance now targets revenues of $7.16 billion, Adjusted EBITDA from continuing operations of $2.43 billion, and capital expenditures of $575 million. Aggregates shipment volumes are expected to grow 12.0% versus 2025 to 222 million tons, with overall aggregates average selling price rising 2.5% and organic ASP up 5.0%.
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.