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ACCESSION NUMBER:		0000950157-25-000940
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		17
FILED AS OF DATE:		20251113
DATE AS OF CHANGE:		20251113
EFFECTIVENESS DATE:		20251113

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARTIN MARIETTA MATERIALS INC
		CENTRAL INDEX KEY:			0000916076
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				561848578
		STATE OF INCORPORATION:			NC
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-291504
		FILM NUMBER:		251478734

	BUSINESS ADDRESS:	
		STREET 1:		4123 PARKLAKE AVE
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27612
		BUSINESS PHONE:		919-781-4550

	MAIL ADDRESS:	
		STREET 1:		4123 PARKLAKE AVE
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27612
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<TEXT>
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<SEQUENCE>4
<FILENAME>ex99-1.htm
<DESCRIPTION>2025 EMPLOYEE STOCK PURCHASE PLAN
<TEXT>
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