John J. Koraleski - Aug 29, 2025 Form 4 Insider Report for MARTIN MARIETTA MATERIALS INC (MLM)

Role: Director
Signature: /s/ Bradley D. Kohn, attorney-in-fact
Stock symbol: MLM
Transactions as of: Aug 29, 2025
Transactions value $: $46,846
Form type: 4
Date filed: 9/2/2025, 04:05 PM
Previous filing: Jun 3, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
KORALESKI JOHN J	Director	4123 PARKLAKE AVENUE, RALEIGH	/s/ Bradley D. Kohn, attorney-in-fact	2025-09-02	0001200010

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MLM	Common Stock	Award	$46.8K	+76	+0.88%	$616.40	8.68K	Aug 29, 2025	Direct	F1
holding	MLM	Common Stock						2K	Aug 29, 2025	SJK HOLDINGS and INVESTMENTS, LLC
holding	MLM	Common Stock						4.9K	Aug 29, 2025	JJ KORALESKI and SF KORALESKI CO-TTEE KORALESKI LIVING TRUST U/A DTD 01/18/1991

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

Explanation of Responses:

Id	Content
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.

Content

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.