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      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001708641</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
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        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
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      <issuerInfo>
        <issuerCik>0001880319</issuerCik>
        <issuerName>Perimeter Solutions, Inc.</issuerName>
        <secFileNumber>001-41027</secFileNumber>
        <issuerAddress>
          <com:street1>8000 Maryland Avenue, Suite 350</com:street1>
          <com:city>Clayton</com:city>
          <com:stateOrCountry>MO</com:stateOrCountry>
          <com:zipCode>63105</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>314-396-7343</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Vivek Raj</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue - 6th Floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>450000</noOfUnitsSold>
        <aggregateMarketValue>5319000</aggregateMarketValue>
        <noOfUnitsOutstanding>147728765</noOfUnitsOutstanding>
        <approxSaleDate>05/13/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>04/29/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Pro rata distribution from Everarc Founders, LLC to its members</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Perimeter Solutions, SA via EverArc Founders, LLC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>450000</amountOfSecuritiesAcquired>
        <paymentDate>04/29/2024</paymentDate>
        <natureOfPayment>Pro rata distribution from EverArc</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Vivek Raj</name>
          <address>
            <com:street1>C/o Issuer</com:street1>
            <com:street2>8000 Maryland Avenue, Suite 350</com:street2>
            <com:city>Clayton</com:city>
            <com:stateOrCountry>MO</com:stateOrCountry>
            <com:zipCode>63105</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <saleDate>03/14/2025</saleDate>
        <amountOfSecuritiesSold>250000</amountOfSecuritiesSold>
        <grossProceeds>2293575</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/13/2025</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Vivek Raj</signature>
      </noticeSignature>
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text: 144
  0001708641
  XXXXXXXX
  LIVE
  0001880319
  Perimeter Solutions, Inc.
  001-41027
  8000 Maryland Avenue, Suite 350
  Clayton
  MO
  63105
  314-396-7343
  Vivek Raj
  Director
  Common Stock
  J.P. Morgan Securities LLC
  390 Madison Avenue - 6th Floor
  New York
  NY
  10017
  450000
  5319000
  147728765
  05/13/2025
  NYSE
  Common Stock
  04/29/2024
  Pro rata distribution from Everarc Founders, LLC to its members
  Perimeter Solutions, SA via EverArc Founders, LLC
  N
  450000
  04/29/2024
  Pro rata distribution from EverArc
  N
  Vivek Raj
  C/o Issuer
  8000 Maryland Avenue, Suite 350
  Clayton
  MO
  63105
  Common Stock
  03/14/2025
  250000
  2293575
  05/13/2025
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Vivek Raj