<SEC-DOCUMENT>0000916076-25-000002.txt : 20250226
<SEC-HEADER>0000916076-25-000002.hdr.sgml : 20250226
<ACCEPTANCE-DATETIME>20250226120451
ACCESSION NUMBER:		0000916076-25-000002
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250226
DATE AS OF CHANGE:		20250226

SUBJECT COMPANY:	

	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
		IRS NUMBER:				561848578
		STATE OF INCORPORATION:			NC
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-12744
		FILM NUMBER:		25668281

	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

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			McCunniff Donald A.
		CENTRAL INDEX KEY:			0001355849
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		2710 WYCLIFF ROAD
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	McCunniff Donald A
		DATE OF NAME CHANGE:	20060310
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001355849</cik>
          <ccc>XXXXXXXX</ccc>
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      <liveTestFlag>LIVE</liveTestFlag>



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    <issuerInfo>
      <issuerCik>0000916076</issuerCik>
      <issuerName>MARTIN MARIETTA MATERIALS INC</issuerName>
      <secFileNumber>001-12744</secFileNumber>
      <issuerAddress>
        <com:street1>4123 PARKLAKE AVE</com:street1>
        <com:city>RALEIGH</com:city>
        <com:stateOrCountry>NC</com:stateOrCountry>
        <com:zipCode>27612</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>919-781-4550</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>McCunniff Donald A.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Martin Marietta Materials, Inc.</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Investments</name>
        <address>
          <com:street1>100 Summer Street</com:street1>
          <com:city>Boston</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02210</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1332</noOfUnitsSold>
      <aggregateMarketValue>653066.28</aggregateMarketValue>
      <noOfUnitsOutstanding>60974146</noOfUnitsOutstanding>
      <approxSaleDate>02/26/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>05/12/2015</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Martin Marietta Materials, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1332</amountOfSecuritiesAcquired>
      <paymentDate>05/12/2015</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>02/26/2025</noticeDate>
      <signature>Bradley D. Kohn, Attorney-in-Fact</signature>
    </noticeSignature>
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