<SEC-DOCUMENT>0001949846-25-000543.txt : 20251028
<SEC-HEADER>0001949846-25-000543.hdr.sgml : 20251028
<ACCEPTANCE-DATETIME>20251028094813
ACCESSION NUMBER:		0001949846-25-000543
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251028
DATE AS OF CHANGE:		20251028

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Catalyst Bancorp, Inc.
		CENTRAL INDEX KEY:			0001849867
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
		ORGANIZATION NAME:           	02 Finance
		EIN:				862411762

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-40893
		FILM NUMBER:		251421796

	BUSINESS ADDRESS:	
		STREET 1:		235 N. COURT STREET
		CITY:			OPELOUSAS
		STATE:			LA
		ZIP:			70570
		BUSINESS PHONE:		337-948-3033

	MAIL ADDRESS:	
		STREET 1:		235 N. COURT STREET
		CITY:			OPELOUSAS
		STATE:			LA
		ZIP:			70570

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Kleiser Kirk E.
		CENTRAL INDEX KEY:			0001885818
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		CATALYST BANCORP, INC.
		STREET 2:		235 N. COURT ST.
		CITY:			OPELOUSAS
		STATE:			LA
		ZIP:			70570
</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">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001885818</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001849867</issuerCik>
      <issuerName>Catalyst Bancorp, Inc.</issuerName>
      <secFileNumber>001-40893</secFileNumber>
      <issuerAddress>
        <com:street1>235 N. COURT STREET</com:street1>
        <com:city>OPELOUSAS</com:city>
        <com:stateOrCountry>LA</com:stateOrCountry>
        <com:zipCode>70570</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>337-948-3033</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Kleiser Kirk E.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>4750</noOfUnitsSold>
      <aggregateMarketValue>63555.00</aggregateMarketValue>
      <noOfUnitsOutstanding>4138765</noOfUnitsOutstanding>
      <approxSaleDate>10/28/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ CM</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>10/08/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>N/A</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4750</amountOfSecuritiesAcquired>
      <paymentDate>10/08/2021</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>Shares to be sold were acquired between 10/08/2021 thru 06/11/2025 Shares to be sold from account titled; KLEISER ENTERPRISES INC</remarks>
    <noticeSignature>
      <noticeDate>10/28/2025</noticeDate>
      <signature>Kirk E. Kleiser</signature>
    </noticeSignature>
  </formData>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
