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        <issuerAddress>
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          <com:city>SOMERSET</com:city>
          <com:stateOrCountry>NJ</com:stateOrCountry>
          <com:zipCode>08873</com:zipCode>
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        <issuerContactPhone>908-518-0500EXT.1390</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Lowe Adam Joseph</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
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          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
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        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch</name>
          <address>
            <com:street1>225 Liberty St</com:street1>
            <com:street2>Floor 37</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10281</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
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        <noOfUnitsOutstanding>30000843</noOfUnitsOutstanding>
        <approxSaleDate>09/10/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <acquiredDate>09/10/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Exercise of employee stock options</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>CompoSecure, Inc.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>12427</amountOfSecuritiesAcquired>
        <paymentDate>09/10/2024</paymentDate>
        <natureOfPayment>Broker assisted exercise of employee stock options</natureOfPayment>
      </securitiesToBeSold>
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          <address>
            <com:street1>309 PIERCE STREET</com:street1>
            <com:city>SOMERSET</com:city>
            <com:stateOrCountry>NJ</com:stateOrCountry>
            <com:zipCode>08873</com:zipCode>
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        </sellerDetails>
        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <saleDate>08/14/2024</saleDate>
        <amountOfSecuritiesSold>45000</amountOfSecuritiesSold>
        <grossProceeds>497659.81</grossProceeds>
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        <sellerDetails>
          <name>Adam Lowe</name>
          <address>
            <com:street1>309 PIERCE STREET</com:street1>
            <com:city>SOMERSET</com:city>
            <com:stateOrCountry>NJ</com:stateOrCountry>
            <com:zipCode>08873</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <saleDate>08/30/2024</saleDate>
        <amountOfSecuritiesSold>2100</amountOfSecuritiesSold>
        <grossProceeds>24803.00</grossProceeds>
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          <address>
            <com:street1>309 PIERCE STREET</com:street1>
            <com:city>SOMERSET</com:city>
            <com:stateOrCountry>NJ</com:stateOrCountry>
            <com:zipCode>08873</com:zipCode>
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        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <saleDate>09/03/2024</saleDate>
        <amountOfSecuritiesSold>9690</amountOfSecuritiesSold>
        <grossProceeds>114564.90</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Adam Lowe</name>
          <address>
            <com:street1>309 PIERCE STREET</com:street1>
            <com:city>SOMERSET</com:city>
            <com:stateOrCountry>NJ</com:stateOrCountry>
            <com:zipCode>08873</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <saleDate>09/06/2024</saleDate>
        <amountOfSecuritiesSold>17460</amountOfSecuritiesSold>
        <grossProceeds>206061.86</grossProceeds>
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        <sellerDetails>
          <name>Adam Lowe</name>
          <address>
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            <com:city>SOMERSET</com:city>
            <com:stateOrCountry>NJ</com:stateOrCountry>
            <com:zipCode>08873</com:zipCode>
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        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <saleDate>09/09/2024</saleDate>
        <amountOfSecuritiesSold>38725</amountOfSecuritiesSold>
        <grossProceeds>458938.11</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>09/10/2024</noticeDate>
        <signature>Adam Lowe</signature>
      </noticeSignature>
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text: 144
  0001885801
  XXXXXXXX
  LIVE
  0001823144
  CompoSecure, Inc.
  001-39687
  309 PIERCE STREET
  SOMERSET
  NJ
  08873
  908-518-0500EXT.1390
  Lowe Adam Joseph
  Officer
  Class A Common Stock
  Merrill Lynch
  225 Liberty St
  Floor 37
  New York
  NY
  10281
  12427
  150111.40
  30000843
  09/10/2024
  NASDAQ
  Class A Common Stock
  09/10/2024
  Exercise of employee stock options
  CompoSecure, Inc.
  N
  12427
  09/10/2024
  Broker assisted exercise of employee stock options
  N
  Adam Lowe
  309 PIERCE STREET
  SOMERSET
  NJ
  08873
  Class A Common Stock
  08/14/2024
  45000
  497659.81
  Adam Lowe
  309 PIERCE STREET
  SOMERSET
  NJ
  08873
  Class A Common Stock
  08/30/2024
  2100
  24803.00
  Adam Lowe
  309 PIERCE STREET
  SOMERSET
  NJ
  08873
  Class A Common Stock
  09/03/2024
  9690
  114564.90
  Adam Lowe
  309 PIERCE STREET
  SOMERSET
  NJ
  08873
  Class A Common Stock
  09/06/2024
  17460
  206061.86
  Adam Lowe
  309 PIERCE STREET
  SOMERSET
  NJ
  08873
  Class A Common Stock
  09/09/2024
  38725
  458938.11
  09/10/2024
  Adam Lowe