Michael J. Petro - 01 Mar 2026 Form 4 Insider Report for MARTIN MARIETTA MATERIALS INC (MLM)

Role: SVP and CFO
Signature: /s/ Sara W. Brown, attorney-in-fact
Issuer symbol: MLM
Transactions as of: 01 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 03 Mar 2026, 15:50:20 UTC
Previous filing: 25 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Petro Michael J	SVP and CFO	4123 PARKLAKE AVENUE, RALEIGH	/s/ Sara W. Brown, attorney-in-fact	03 Mar 2026	0001878191

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MLM	Common Stock	Award	$0	+2,960	+24%	$0.000000	15,359	01 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted stock unit award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan, which award vests pro rata in three equal installments on the third, fourth and fifth anniversaries of the award date, subject to continued employment and other terms and conditions specified in the award agreement.