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          <filerCredentials>
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        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
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        <secFileNumber>001-39413</secFileNumber>
        <issuerAddress>
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          <com:city>KING OF PRUSSIA</com:city>
          <com:stateOrCountry>PA</com:stateOrCountry>
          <com:zipCode>19406</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>(800) 355-3500</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DeStefano David</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Class A</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>216268</noOfUnitsSold>
        <aggregateMarketValue>11903620.90</aggregateMarketValue>
        <noOfUnitsOutstanding>65969319</noOfUnitsOutstanding>
        <approxSaleDate>12/11/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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        <securitiesClassTitle>Class A</securitiesClassTitle>
        <acquiredDate>12/11/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Option Granted - 07/28/2020</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>216268</amountOfSecuritiesAcquired>
        <paymentDate>12/11/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>David Destefano</name>
          <address>
            <com:street1>2301 Renaissance Blvd</com:street1>
            <com:city>King of Prussia</com:city>
            <com:stateOrCountry>PA</com:stateOrCountry>
            <com:zipCode>19406</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A</securitiesClassTitle>
        <saleDate>11/14/2024</saleDate>
        <amountOfSecuritiesSold>159107</amountOfSecuritiesSold>
        <grossProceeds>7893048.62</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>David Destefano</name>
          <address>
            <com:street1>2301 Renaissance Blvd</com:street1>
            <com:city>King of Prussia</com:city>
            <com:stateOrCountry>PA</com:stateOrCountry>
            <com:zipCode>19406</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A</securitiesClassTitle>
        <saleDate>11/15/2024</saleDate>
        <amountOfSecuritiesSold>16769</amountOfSecuritiesSold>
        <grossProceeds>831267.74</grossProceeds>
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      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>David Destefano</name>
          <address>
            <com:street1>2301 Renaissance Blvd</com:street1>
            <com:city>King of Prussia</com:city>
            <com:stateOrCountry>PA</com:stateOrCountry>
            <com:zipCode>19406</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A</securitiesClassTitle>
        <saleDate>11/18/2024</saleDate>
        <amountOfSecuritiesSold>22275</amountOfSecuritiesSold>
        <grossProceeds>1103680.44</grossProceeds>
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      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>David Destefano</name>
          <address>
            <com:street1>2301 Renaissance Blvd</com:street1>
            <com:city>King of Prussia</com:city>
            <com:stateOrCountry>PA</com:stateOrCountry>
            <com:zipCode>19406</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Class A</securitiesClassTitle>
        <saleDate>12/10/2024</saleDate>
        <amountOfSecuritiesSold>164832</amountOfSecuritiesSold>
        <grossProceeds>9071347.80</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>12/11/2024</noticeDate>
        <signature>/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for David Destefano</signature>
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text: 144
  0001818526
  XXXXXXXX
  LIVE
  0001806837
  Vertex, Inc.
  001-39413
  2301 RENAISSANCE BOULEVARD
  KING OF PRUSSIA
  PA
  19406
  (800) 355-3500
  DeStefano David
  Officer
  Director
  Class A
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  216268
  11903620.90
  65969319
  12/11/2024
  NASDAQ
  Class A
  12/11/2024
  Option Granted - 07/28/2020
  Issuer
  N
  216268
  12/11/2024
  Cash
  N
  David Destefano
  2301 Renaissance Blvd
  King of Prussia
  PA
  19406
  Class A
  11/14/2024
  159107
  7893048.62
  David Destefano
  2301 Renaissance Blvd
  King of Prussia
  PA
  19406
  Class A
  11/15/2024
  16769
  831267.74
  David Destefano
  2301 Renaissance Blvd
  King of Prussia
  PA
  19406
  Class A
  11/18/2024
  22275
  1103680.44
  David Destefano
  2301 Renaissance Blvd
  King of Prussia
  PA
  19406
  Class A
  12/10/2024
  164832
  9071347.80
  12/11/2024
  /s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for David Destefano