Martin J. Lyons - 29 May 2026 Form 4 Insider Report for MARTIN MARIETTA MATERIALS INC (MLM)

Reporting relationship: Director
Issuer ticker: MLM
Reported as of: 29 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Jun 2026, 16:14:25 UTC
Prior SEC filing: 18 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Sara W. Brown, attorney-in-fact

Key filing fact

Martin J. Lyons filed Form 4 for MARTIN MARIETTA MATERIALS INC (MLM) on 02 Jun 2026.

Key facts

This page summarizes Martin J. Lyons's Form 4 filing for MARTIN MARIETTA MATERIALS INC (MLM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 02 Jun 2026, 16:14.

Change

Previous filing in this sequence was filed on 18 May 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 0001190099 Primary reporting owner

LYONS MARTIN J

Relationship: Director
Address: 4123 PARKLAKE AVENUE, RALEIGH
Signature: /s/ Sara W. Brown, attorney-in-fact
Signature date: 02 Jun 2026

Reported non-derivative transactions

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

MLM transaction

Common Stock

Award

Transaction value
Shares: +61
Change %: +19%
Price: $581.64^*
Shares after: 374
Date: 29 May 2026
Ownership: Direct
Footnotes: F1

^* 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

Common stock units were accrued under the Martin Marietta Materials, Inc. Common Stock Purchase Plan for Directors (the "Plan") and are to be settled in stock in a lump sum or in installments not to exceed 10 years commencing on (i) the date the reporting person ceases to be a Non-Employee Director, (ii) the date that is one month and one year following the date the reporting person ceases to be a Non-Employee Director, or (iii) the date elected by the Non-Employee Director that is later than the third anniversary of the date the fees are earned, in accordance with the reporting person's election under the Plan.