Martin Marietta Materials

Current directors and officers who also hold a role at another S&P 500 company.

• Anthony R. FoxxCDW · DirectorNXPI · Director
• C. Howard NyeGD · Director
• Gayla J. DellyAVGO · Director
• Martin J. LyonsAEE · CEO

Latest Schedule 13D/13G filing per holder. Holders that reported falling below 5% are not shown. Index funds usually report once a year.

No 5% holder filings parsed yet for this company.

Open-market purchases and sales reported on Form 4. Grants, option exercises and tax withholding are excluded.

Every 8-K with Item 5.02 (departure, election or appointment of directors and officers). The text is the first paragraph of the item.

1. Aug 24, 2026

   Pursuant to the Shareholders Agreement, on August 21, 2026, the Board increased its size from ten to eleven directors and appointed Mr. Philipp Niemann, effective as of August 21, 2026, to fill the newly-created directorship. Mr. Niemann will serve until Martin Marietta’s 2027 Annual Meeting of Shareholders. Mr. Niemann will serve on the Finance Committee of the Board. Mr. Niemann currently serves as the Chief Executive Officer of Lhoist S.A. (“ Lhoist ”). From April 2022 to October 2025, Mr. Niemann served as President and Chief Executive Officer of LNA and as a member of Lhoist Executive Committee. Prior to April 2022, Mr. Niemann held several other positions at Lhoist, which he joined in 2013. Mr.

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2. Aug 4, 2026

   On August 4, 2026, Martin Marietta Materials, Inc. (the “Company”) announced that the Company has promoted Michael J. Petro to Executive Vice President, Chief Financial Officer. In connection with his promotion to the role of Executive Vice President, Chief Financial Officer, the Company and Mr. Petro executed an employment agreement (the “Employment Agreement”) and an amended and restated employment protection agreement (the “Employment Protection Agreement”). Pursuant to the Employment Agreement, Mr. Petro’s base salary will be $750,000, his target annual incentive award will be 100% of base salary, his target long-term incentive award will be 260% of base salary, and he will receive a one-time grant of restricted stock units with a grant date value of $5,000,000, which will vest ratably on the sixth, seventh, and eighth anniversaries of the grant date, subject to Mr.

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3. May 14, 2026

   On May 14, 2026, the shareholders of Martin Marietta Materials, Inc. (the “Company”) voted to approve the Martin Marietta Amended and Restated Stock-Based Award Plan (the “Plan”). A description of the Plan is included as Appendix C in the Company’s definitive proxy statement for the annual meeting of shareholders held on May 14, 2026, filed with the Securities and Exchange Commission on April 15, 2026 (the "Proxy Statement"), which description is incorporated herein by reference.

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4. Apr 27, 2026

   On April 27, 2026, Martin Marietta Materials, Inc. (the “Company”) announced that the Company has appointed Christopher W. Samborski, to serve as the Company’s Executive Vice President and Chief Operating Officer, effective as of May 1, 2026 (the “Effective Date”). Mr. Samborski, age 45, joined the Company in August 2018 and currently serves as President of the West and Specialties Divisions. In January 2025, he assumed the leadership of the West Division and retained his responsibilities as President of Specialties which he has led since January 2022. Mr. Samborski served as Vice President of Strategic Finance, Procurement and Supply Chain beginning in January 2020 prior to his current roles and served as Vice President of Strategic Finance from 2018 to 2020. Prior to joining the Company, Mr. Samborski spent close to ten years in leadership roles at Caterpillar Inc.

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5. Jul 8, 2025

   On July 7, 2025, Martin Marietta Materials, Inc. (the “Company”) appointed Michael J. Petro, to serve as the Company’s Senior Vice President and Chief Financial Officer, effective as of July 8, 2025 (the “Effective Date”), replacing Robert J. Cardin, who has served as the Company’s Interim Chief Financial Officer since April 1 0 , 2025. Mr. Cardin will remain with the Company in his role as Senior Vice President, Controller and Chief Accounting Officer. Mr. Petro, age 41, joined the Company in 2015 and currently serves as its Senior Vice President of Strategy and Development, a role he has held since 2021. Mr. Petro will continue serving in this Strategy and Development capacity following the Effective Date. Prior to this Chief Financial Officer role, Mr.

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6. Apr 10, 2025

   On April 9, 2025, James A.J. Nickolas notified Martin Marietta of his decision to resign as Executive Vice President and Chief Financial Officer, effective April 11, 2025 (the “Transition Date”), to join a publicly traded equipment, technology and services company as its Chief Financial Officer. Mr. Nickolas’ resignation is for personal reasons to enable him and his family to relocate to their hometown of Chicago and did not arise from any disagreement on any matter relating to the operations, policies, financial results or accounting practices of the Company. On April 10, 2025, the Company appointed Robert J. Cardin, age 61, to serve as the Company’s Interim Chief Financial Officer, effective as of the Transition Date, and he will hold the position of Interim Chief Financial Officer until his successor is chosen and qualified. Mr.

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7. Dec 3, 2024

   Martin Marietta Materials, Inc. (the “Company”) announced that, on December 2, 2024, Roselyn R. Bar, Executive Vice President, General Counsel and Corporate Secretary, informed the Company of her decision to retire from the Company in the second half of 2025.

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8. Apr 21, 2023

   On April 21, 2023, Martin Marietta Materials, Inc. (the “Company”) announced that John P. Mohr, Senior Vice President and Chief Information Officer will be retiring from the Company in the second half of 2023.

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9. Dec 15, 2022

   On December 12, 2022, Martin Marietta Materials, Inc. (the “Company”) announced that Craig La Torre, Senior Vice President and Chief Human Resource Officer will be retiring from the Company in the second half of 2023. Mr. La Torre will be succeeded by Kelly Bennett, the Company’s current Vice President of Total Rewards and Head of Inclusion and Engagement Programs.

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10. Nov 9, 2020

    On November 6, 2020, the board of directors (the “Board”) of Martin Marietta Materials, Inc. (the “Company”) increased the size of the Board from 10 directors to 11 directors and elected Anthony R. Foxx to fill the newly-created directorship. Mr. Foxx has been appointed to the Board’s Finance Committee. Mr. Foxx will receive the director fees and stock-based compensation for directors previously disclosed in the Company’s proxy statement for its 2020 Annual Meeting of Shareholders. Mr. Foxx will stand for re-election at the Company’s 2021 Annual Meeting of Shareholders. Mr. Foxx, 49, is currently chief policy officer and advisor to the president and chief executive officer of Lyft, which he joined in October 2018. Prior to joining Lyft, he served as the seventeenth United States Secretary of Transportation from 2013 to 2017. The Senate confirmed the nomination of Mr.

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11. Jun 29, 2020

    On June 25, 2020, Martin Marietta Materials, Inc. (“Martin Marietta”) adopted the Martin Marietta Nonqualified Deferred Cash Compensation Plan (the “Plan”). The Plan is an unfunded nonqualified deferred compensation program that provides designated key employees, including Martin Marietta’s named executive officers, the opportunity to defer the payment of certain compensation. Under the Plan, participants may elect each year to defer (1) up to 80% of annual base salary and (2) up to 100% of annual cash bonuses earned, less any amounts deferred under Martin Marietta’s Incentive Stock Plan. The participants’ elective deferrals are 100% vested immediately. The Plan does not provide for any employer contributions.

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12. Jul 15, 2019

    On July 15, 2019, the board of directors (the “Board”) of Martin Marietta Materials, Inc. (the “Company”) increased the size of the Board from 9 directors to 10 directors and elected Thomas H. Pike to fill the newly-created directorship. Mr. Pike has been appointed to the Board’s Management Development and Compensation Committee. Mr. Pike will receive the director fees and stock-based compensation for directors previously disclosed in the Company’s proxy statement for its 2019 Annual Meeting of Shareholders. Mr. Pike will stand for re-election at the Company’s 2020 Annual Meeting of Shareholders. Mr. Pike, 59, has 30 years of experience spanning a variety of industries and leading companies. He was most recently CEO and a member of the Board of Directors of Quintiles Transnational Holdings, Inc.

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13. May 10, 2019

    On May 9, 2019, Robert J. Cardin was appointed Senior Vice President and Chief Accounting Officer of Martin Marietta Materials, Inc. (the “Company”) and will assume the role of principal accounting officer. Mr. Cardin replaces James A. J. Nickolas, Senior Vice President – Chief Financial Officer, who assumed the role of principal accounting officer effective March 11, 2019. Mr. Cardin will continue to report to Mr. Nickolas. Mr. Cardin, 55, has served as Vice President and Controller at the Company since March 2019. Before joining the Company, Mr. Cardin served in various financial reporting and accounting positions at other public companies. Most recently, Mr.

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14. Mar 12, 2019

    On March 11, 2019, Dana F. Guzzo, Senior Vice President, Chief Accounting Officer and Corporate Controller (principal accounting officer) of Martin Marietta Materials, Inc. (the “Company”), transitioned to the newly-created role of Senior Vice President – Sustainability, Community Relations and Communications. James A. J. Nickolas, Senior Vice President – Chief Financial Officer, assumed the role of principal accounting officer effective on Ms. Guzzo’s transition. Mr. Nickolas will not receive any additional compensation in regard to such role. Mr. Nickolas’s business experience and related information is provided in the Company’s Annual Report on Form 10-K, filed with the Securities and Exchange Commission on February 25, 2019.

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15. Dec 18, 2018

    In connection with Martin Marietta Materials, Inc.’s (the “Company” or “we”) 2018 Annual Meeting of Shareholders, we were disappointed with the outcome of the advisory vote on the compensation of our named executive officers, commonly referred to as the “Say on Pay Vote”, which received a favorable vote from 78.9% of our shareholders. To better understand this outcome, we reached out to many of our shareholders, representing more than 60% of our outstanding shares, to discuss with them the reasons behind their vote and how the Company could work to address any of their concerns. In this regard, our Chairman and CEO participated in conversations with most of these shareholders and we reported the conversations to our Management Development and Compensation Committee (the “Committee”), as well as our Board of Directors.

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Proxy statements (DEF 14A): 2026 · 2025 · 2024 · 2023 · 2022 · 2021

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