Michael J. Petro - Feb 21, 2024 Form 4/A Insider Report for MARTIN MARIETTA MATERIALS INC (MLM)

Role: SVP - Strategy and Development
Signature: /s/ Roselyn R. Bar, attorney-in-fact
Stock symbol: MLM
Transactions as of: Feb 21, 2024
Transactions value $: $0
Form type: 4/A
Date filed: 2/27/2024, 03:21 PM
Date Of Original Report: Feb 22, 2024
Previous filing: Feb 22, 2024
Next filing: Feb 27, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MLM	Common Stock	Award	$0	+920	+17.65%	$0.00	6.13K	Feb 21, 2024	Direct	F1

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

Explanation of Responses:

Id	Content
F1	On February 22, 2024, the reporting person filed a Form 4 reporting the shares reflecting the amount of taxes withheld in connection with 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 17, 2021. The amount of shares received under the grant depended on the achievement of performance goals during a three-year performance period from January 1, 2021 through December 31, 2023. On February 20, 2024, 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 previously filed Form 4 did not include the gross shares awarded upon achievement of the performance goals.

Content

On February 22, 2024, the reporting person filed a Form 4 reporting the shares reflecting the amount of taxes withheld in connection with 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 17, 2021. The amount of shares received under the grant depended on the achievement of performance goals during a three-year performance period from January 1, 2021 through December 31, 2023. On February 20, 2024, 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 previously filed Form 4 did not include the gross shares awarded upon achievement of the performance goals.