<SEC-DOCUMENT>0001382697-25-000005.txt : 20250918
<SEC-HEADER>0001382697-25-000005.hdr.sgml : 20250918
<ACCEPTANCE-DATETIME>20250918162758
ACCESSION NUMBER:		0001382697-25-000005
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250918
DATE AS OF CHANGE:		20250918

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MASTEC INC
		CENTRAL INDEX KEY:			0000015615
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER, SEWER, PIPELINE, COMM AND POWER LINE CONSTRUCTION [1623]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		EIN:				650829355
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-08106
		FILM NUMBER:		251323790

	BUSINESS ADDRESS:	
		STREET 1:		800 S. DOUGLAS ROAD
		STREET 2:		10TH FLOOR
		CITY:			CORAL GABLES
		STATE:			FL
		ZIP:			33134
		BUSINESS PHONE:		3055991800

	MAIL ADDRESS:	
		STREET 1:		800 S. DOUGLAS ROAD
		STREET 2:		10TH FLOOR
		CITY:			CORAL GABLES
		STATE:			FL
		ZIP:			33134

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BURNUP & SIMS INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Apple Robert E
		CENTRAL INDEX KEY:			0001382697
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		800 S DOUGLAS ROAD
		STREET 2:		12TH FLOOR
		CITY:			CORAL GABLES
		STATE:			FL
		ZIP:			33134
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001382697</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000015615</issuerCik>
      <issuerName>MasTec Inc</issuerName>
      <secFileNumber>001-08106</secFileNumber>
      <issuerAddress>
        <com:street1>CO MasTec Inc</com:street1>
        <com:street2>800 S Douglas Road 10th Floor</com:street2>
        <com:city>Coral Gables</com:city>
        <com:stateOrCountry>FL</com:stateOrCountry>
        <com:zipCode>33134</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>3055991800</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Robert E Apple</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Merrill Lynch</name>
        <address>
          <com:street1>333 S Hope Street 39th Floor</com:street1>
          <com:city>Los Angeles</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>90071</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>10000</noOfUnitsSold>
      <aggregateMarketValue>2000000</aggregateMarketValue>
      <noOfUnitsOutstanding>79234966</noOfUnitsOutstanding>
      <approxSaleDate>09/18/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/19/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Vested Restricted Shares</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>MasTec, Inc</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1073</amountOfSecuritiesAcquired>
      <paymentDate>09/19/2025</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/18/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Vested Restricted Shares</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>MasTec, Inc</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>8927</amountOfSecuritiesAcquired>
      <paymentDate>09/19/2025</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Robert E Apple</name>
        <address>
          <com:street1>CO MasTec, Inc</com:street1>
          <com:street2>800 S Douglas Road 10th Floor</com:street2>
          <com:city>Coral Gables</com:city>
          <com:stateOrCountry>FL</com:stateOrCountry>
          <com:zipCode>33134</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>MasTec, Inc</securitiesClassTitle>
      <saleDate>07/16/2025</saleDate>
      <amountOfSecuritiesSold>10000</amountOfSecuritiesSold>
      <grossProceeds>1749500</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>09/18/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>05/16/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>Robert E Apple</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
