Martin Marietta Materials (MLM)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: MARTIN MARIETTA MATERIALS INC (MLM) CIK: 0000916076 --- Reporting Owner --- Name: Nye C Howard CIK: 0001373147 Role: Director, Officer (Chairman, Pres & CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-03-01 | Code: A (Grant or award) Shares: +5,919 | Price: $0.00 Shares Owned After: 176,038 | Ownership: D (Direct) Footnotes: [F1] Restricted stock unit award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan, which award cliff vests on the third anniversary of the award date, subject to continued employment and other terms and conditions specified in the award agreement. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Restricted stock unit award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan, which award cliff vests on the third anniversary of the award date, subject to continued employment and other terms and conditions specified in the award agreement. --- Signature --- /s/ /s/ Sara W. Brown, attorney-in-fact (2026-03-03)