C. Howard Nye - 01 Mar 2026 Form 4 Insider Report for MARTIN MARIETTA MATERIALS INC (MLM)

Reporting relationship: Chairman, Pres & CEO, Director
Issuer ticker: MLM
Reported as of: 01 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Mar 2026, 15:48:38 UTC
Prior SEC filing: 25 Feb 2026
Next SEC filing: 06 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Sara W. Brown, attorney-in-fact

Key filing fact

C. Howard Nye filed Form 4 for MARTIN MARIETTA MATERIALS INC (MLM) on 03 Mar 2026.

Key facts

This page summarizes C. Howard Nye's Form 4 filing for MARTIN MARIETTA MATERIALS INC (MLM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 03 Mar 2026, 15:48.

Change

Previous filing in this sequence was filed on 25 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001373147 Primary reporting owner

Nye C Howard

Relationship: Chairman, Pres & CEO, Director
Address: MARTIN MARIETTA MATERIALS, INC., 4123 PARKLAKE AVENUE, RALEIGH
Signature: /s/ Sara W. Brown, attorney-in-fact
Signature date: 03 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MLM transaction

Common Stock

Award

Transaction value: $0
Shares: +5,919
Change %: +3.5%
Price: $0.000000
Shares after: 176,038
Date: 01 Mar 2026
Ownership: Direct
Footnotes: F1

MLM holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 70,400
Date: 01 Mar 2026
Ownership: By Charles Howard Nye Irrevocable Trust

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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.