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Martin Marietta Materials

Raleigh, United States · Agriculture and Farming, Building Material, Manufacturing · 9,400 employees

Martin Marietta, a member of the S&P 500 Index, is an American-based company and a leading supplier of building materials, including aggregates, cement, ready-mixed concrete and asphalt. Through a network of operations spanning 28 states, Canada and The Bahamas, dedicated Martin Marietta teams supply the resources for building the solid foundations on which our communities thrive. Martin Marietta’

Recent signals

  • May 14, 2026: SEC 8-K (5.02): On May 14, 2026, Martin Marietta Materials, Inc.'s shareholders voted to approve the Martin Marietta Amended and Restated Stock-Based Award Plan. This plan is detailed in Appendix C of the Company’s definitive proxy statement for the annual meeting, which had been filed with the SEC on April 15, 2026. With a quorum of 91%, 54,913,555 out of 60,256,208 shares outstanding were represented in the vote. This approval of the stock-based award plan is a crucial step for the company as it relates to compensatory arrangements for certain officers, impacting the company's management structure and incentives going forward.
  • Apr 27, 2026: Martin Marietta Materials Appoints Chris Samborski as COO
  • Feb 23, 2026: Acquired Martin Marietta Completes Asset Exchange with Quikrete
  • Feb 23, 2026: SEC 8-K (2.01): On February 23, 2026, Martin Marietta Materials, Inc. completed a significant asset exchange with Quikrete Holdings, Inc. Under the terms of the Equity and Asset Exchange Agreement dated August 3, 2025, Martin Marietta transferred its cement and ready-mix concrete operations at the Midlothian cement plant and North Texas sites, along with certain nonoperating land, to Quikrete. In return, Martin Marietta received Quikrete's aggregate operations in Virginia, Missouri, Kansas, and Vancouver, British Columbia, and also $450 million in cash. This transaction enhances Martin Marietta's operational capabilities while positioning Quikrete to expand its market presence in the cement sector.
  • Jul 08, 2025: Martin Marietta Appoints Michael J. Petro as Chief Financial Officer
  • Oct 31, 2024: Martin Marietta Prices $750 Million Debt Offering with 5.150% and 5.500% Senior Notes

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