C. Howard Nye - 18 Feb 2025 Form 4 Insider Report for MARTIN MARIETTA MATERIALS INC (MLM)

Role: Chairman, Pres & CEO, Director
Signature: /s/ Bradley D. Kohn, attorney-in-fact
Issuer symbol: MLM
Transactions as of: 18 Feb 2025
Transactions value $: -$6,139,817
Form type: 4
Filing time: 20 Feb 2025, 14:25:54 UTC
Previous filing: 19 Dec 2024
Next filing: 25 Feb 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MLM	Common Stock	Award	$0	+23.6K	+17.76%	$0.00	156K	18 Feb 2025	Direct	F1
transaction	MLM	Common Stock	Tax liability	-$6.14M	-11.5K	-7.36%	$533.99	145K	18 Feb 2025	Direct
holding	MLM	Common Stock						70.4K	18 Feb 2025	By Charles Howard Nye Irrevocable Trust

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

Explanation of Responses:

Id	Content
F1	Represents the settlement of performance share units into common stock that were granted under the Martin Marietta Amended and Restated Stock Based Award Plan on February 18, 2022. The ultimate amount of shares to be received under the grant depended on the achievement of performance goals during a three-year performance period from January 1, 2022, through December 31, 2024. On February 18, 2025, Martin Marietta's Management Development and Compensation Committee certified the attainment of the applicable performance goals and approved the settlement of the PSU grant. The shares underlying the PSUs vested on December 31, 2024.

Content

Represents the settlement of performance share units into common stock that were granted under the Martin Marietta Amended and Restated Stock Based Award Plan on February 18, 2022. The ultimate amount of shares to be received under the grant depended on the achievement of performance goals during a three-year performance period from January 1, 2022, through December 31, 2024. On February 18, 2025, Martin Marietta's Management Development and Compensation Committee certified the attainment of the applicable performance goals and approved the settlement of the PSU grant. The shares underlying the PSUs vested on December 31, 2024.

Remarks:

Exhibit 24.1 - Power of Attorney