<SEC-DOCUMENT>0001628280-25-046096.txt : 20251023
<SEC-HEADER>0001628280-25-046096.hdr.sgml : 20251023
<ACCEPTANCE-DATETIME>20251023161858
ACCESSION NUMBER:		0001628280-25-046096
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251023
DATE AS OF CHANGE:		20251023

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MUELLER INDUSTRIES INC
		CENTRAL INDEX KEY:			0000089439
		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				250790410
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1227

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-06770
		FILM NUMBER:		251413316

	BUSINESS ADDRESS:	
		STREET 1:		SUITE 100
		STREET 2:		150 SCHILLING BOULEVARD
		CITY:			COLLIERVILLE
		STATE:			TN
		ZIP:			38017
		BUSINESS PHONE:		(901)753-3200

	MAIL ADDRESS:	
		STREET 1:		SUITE 100
		STREET 2:		150 SCHILLING BOULEVARD
		CITY:			COLLIERVILLE
		STATE:			TN
		ZIP:			38017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SHARON STEEL CORP
		DATE OF NAME CHANGE:	19910103

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Christopher Gregory L.
		CENTRAL INDEX KEY:			0001341985
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		150 SCHILLING BOULEVARD, SUITE 100
		CITY:			COLLIERVILLE
		STATE:			TN
		ZIP:			38017
</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">
  <!-- Generated by Workiva -->
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001341985</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000089439</issuerCik>
      <issuerName>MUELLER INDUSTRIES INC</issuerName>
      <secFileNumber>001-06770</secFileNumber>
      <issuerAddress>
        <com:street1>150 SCHILLING BLVD #100</com:street1>
        <com:city>COLLIERVILLE</com:city>
        <com:stateOrCountry>TN</com:stateOrCountry>
        <com:zipCode>38017</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>9017533200</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>GREGORY CHRISTOPHER</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>CEO</relationshipToIssuer>
        <relationshipToIssuer>CEO</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>MERRILL LYNCH</name>
        <address>
          <com:street1>6060 POPLAR AVENUE #300</com:street1>
          <com:city>MEMPHIS</com:city>
          <com:stateOrCountry>TN</com:stateOrCountry>
          <com:zipCode>38119</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>300000</noOfUnitsSold>
      <aggregateMarketValue>31290000</aggregateMarketValue>
      <noOfUnitsOutstanding>111013631</noOfUnitsOutstanding>
      <approxSaleDate>10/23/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>08/01/2023</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK VESTED</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>MUELLER INDUSTRIES</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>300000</amountOfSecuritiesAcquired>
      <paymentDate>08/01/2023</paymentDate>
      <natureOfPayment>ALL SHS FUNGIBLE, PART OF COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>10/23/2025</noticeDate>
      <signature>GREGORY L CHRISTOPHER</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
