<SEC-DOCUMENT>0001959173-25-003322.txt : 20250519
<SEC-HEADER>0001959173-25-003322.hdr.sgml : 20250519
<ACCEPTANCE-DATETIME>20250519142647
ACCESSION NUMBER:		0001959173-25-003322
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250519
DATE AS OF CHANGE:		20250519

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMPASS MINERALS INTERNATIONAL INC
		CENTRAL INDEX KEY:			0001227654
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				363972986
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-31921
		FILM NUMBER:		25963165

	BUSINESS ADDRESS:	
		STREET 1:		9900 W. 109TH STREET
		STREET 2:		SUITE 100
		CITY:			OVERLAND PARK
		STATE:			KS
		ZIP:			66210
		BUSINESS PHONE:		913-344-9200

	MAIL ADDRESS:	
		STREET 1:		9900 W. 109TH STREET
		STREET 2:		SUITE 100
		CITY:			OVERLAND PARK
		STATE:			KS
		ZIP:			66210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SALT HOLDINGS CORP
		DATE OF NAME CHANGE:	20030416

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Hood Jennifer R.
		CENTRAL INDEX KEY:			0002015092
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O COMPASS MINERALS INTERNATIONAL, INC.
		STREET 2:		9900 W 109TH ST STE 100
		CITY:			OVERLAND PARK
		STATE:			KS
		ZIP:			66210
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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      <filer>
        <filerCredentials>
          <cik>0002015092</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
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      <liveTestFlag>LIVE</liveTestFlag>


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  <formData>
    <issuerInfo>
      <issuerCik>0001227654</issuerCik>
      <issuerName>COMPASS MINERALS INTERNATIONAL INC</issuerName>
      <secFileNumber>001-31921</secFileNumber>
      <issuerAddress>
        <com:street1>9900 W. 109TH STREET</com:street1>
        <com:street2>SUITE 100</com:street2>
        <com:city>OVERLAND PARK</com:city>
        <com:stateOrCountry>KS</com:stateOrCountry>
        <com:zipCode>66210</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>913-344-9200</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Hood Jennifer R.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Former Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>FIDELITY BROKERAGE SERVICES LLC</name>
        <address>
          <com:street1>245 Summer Street</com:street1>
          <com:city>BOSTON</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02110</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1486</noOfUnitsSold>
      <aggregateMarketValue>28531.00</aggregateMarketValue>
      <noOfUnitsOutstanding>41620522</noOfUnitsOutstanding>
      <approxSaleDate>05/16/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>01/13/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>170</amountOfSecuritiesAcquired>
      <paymentDate>01/13/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>09/20/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>0</amountOfSecuritiesAcquired>
      <paymentDate>09/20/2022</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>11/14/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>117</amountOfSecuritiesAcquired>
      <paymentDate>11/14/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/20/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Dividend</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1</amountOfSecuritiesAcquired>
      <paymentDate>12/20/2022</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>01/13/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>648</amountOfSecuritiesAcquired>
      <paymentDate>01/13/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/20/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Dividend</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4</amountOfSecuritiesAcquired>
      <paymentDate>03/20/2023</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>04/27/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>512</amountOfSecuritiesAcquired>
      <paymentDate>04/27/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/20/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Dividend</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>6</amountOfSecuritiesAcquired>
      <paymentDate>06/20/2023</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>09/20/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Dividend</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>8</amountOfSecuritiesAcquired>
      <paymentDate>09/20/2023</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/20/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Dividend</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>8</amountOfSecuritiesAcquired>
      <paymentDate>12/20/2023</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/20/2024</acquiredDate>
      <natureOfAcquisitionTransaction>Dividend</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>12</amountOfSecuritiesAcquired>
      <paymentDate>03/20/2024</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>05/19/2025</noticeDate>
      <signature>/s/ Jordyn Davis as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for  Hood Jennifer R.</signature>
    </noticeSignature>
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</SEC-DOCUMENT>
