Director Philipp Niemann filed a statement of changes in beneficial ownership with the U.S. Securities and Exchange Commission on August 25, 2026, disclosing the acquisition of common stock in Martin Marietta Materials Inc on August 21, 2026.

Key Highlights

  • Reporting person: Philipp Niemann, identified as a Director of Martin Marietta Materials Inc (NYSE:MLM).
  • Transaction date: August 21, 2026, with the filing submitted on August 25, 2026.
  • Shares acquired: 337 shares of common stock, coded as an acquisition (A) at a price of $0.
  • Resulting ownership: Following the transaction, Niemann directly beneficially owns 337 shares of common stock.
  • No derivative securities: The filing reports no derivative securities transactions in Table II.

Director Niemann Acquires 337 Shares of Martin Marietta Materials Common Stock

According to the filing, Philipp Niemann, a director of Martin Marietta Materials Inc, acquired 337 shares of the company's common stock on August 21, 2026. The transaction was coded "A," denoting an acquisition, and the reported price per share was $0. The shares are held directly by the reporting person, and no indirect ownership arrangements were disclosed in the filing.

Martin Marietta Materials Inc, traded on the New York Stock Exchange under the ticker MLM, is the issuer identified in the filing. The filing was signed by Sara W. Brown as attorney-in-fact for Niemann, pursuant to a Power of Attorney referenced as Exhibit 24.1. Prior to this transaction, the filing reflects no pre-existing share balance for Niemann, as the 337 shares acquired represent the total beneficial ownership reported following the transaction.

No derivative securities, including options, warrants, or convertible instruments, were reported in Table II of the filing. The filing was submitted as an individual report by one reporting person, and no amendment date was listed, indicating this is an original filing rather than a revision of a prior statement.

What Was Disclosed

The filing discloses that Director Philipp Niemann acquired 337 shares of Martin Marietta Materials Inc common stock on August 21, 2026, at a price of $0 per share, resulting in direct beneficial ownership of 337 shares. No derivative securities activity was reported.