Jason Paul Flynn - 20 Feb 2026 Form 4 Insider Report for MARTIN MARIETTA MATERIALS INC (MLM)

Role: SVP and CIO
Signature: /s/ Sara W. Brown, attorney-in-fact
Issuer symbol: MLM
Transactions as of: 20 Feb 2026
Net transactions value: +$324,860
Form type: 4
Filing time: 24 Feb 2026, 15:01:24 UTC
Previous filing: 19 Feb 2026
Next filing: 25 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Flynn Jason Paul	SVP and CIO	4123 PARKLAKE AVE, RALEIGH	/s/ Sara W. Brown, attorney-in-fact	24 Feb 2026	0002083174

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MLM	Common Stock	Award	$324,860	+592	+13%	$548.75	5,106	20 Feb 2026	Direct
transaction	MLM	Common Stock	Award	$0	+595	+12%	$0.000000	5,701	20 Feb 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 equal installments over three years from the date of grant.