<SEC-DOCUMENT>0000950170-25-072648.txt : 20250515
<SEC-HEADER>0000950170-25-072648.hdr.sgml : 20250515
<ACCEPTANCE-DATETIME>20250515161503
ACCESSION NUMBER:		0000950170-25-072648
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250515
DATE AS OF CHANGE:		20250515

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Vertex, Inc.
		CENTRAL INDEX KEY:			0001806837
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		ORGANIZATION NAME:           	06 Technology
		EIN:				232081753
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91604
		FILM NUMBER:		25953249

	BUSINESS ADDRESS:	
		STREET 1:		2301 RENAISSANCE BOULEVARD
		CITY:			KING OF PRUSSIA
		STATE:			PA
		ZIP:			19406
		BUSINESS PHONE:		(800) 355-3500

	MAIL ADDRESS:	
		STREET 1:		2301 RENAISSANCE BOULEVARD
		CITY:			KING OF PRUSSIA
		STATE:			PA
		ZIP:			19406

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Tensile Capital Management LP
		CENTRAL INDEX KEY:			0001598843
		ORGANIZATION NAME:           	
		EIN:				454496810
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		700 LARKSPUR LANDING CIRCLE
		STREET 2:		SUITE 255
		CITY:			LARKSPUR
		STATE:			CA
		ZIP:			94939
		BUSINESS PHONE:		415-830-8160

	MAIL ADDRESS:	
		STREET 1:		700 LARKSPUR LANDING CIRCLE
		STREET 2:		SUITE 255
		CITY:			LARKSPUR
		STATE:			CA
		ZIP:			94939

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Tensile Capital Management LLC
		DATE OF NAME CHANGE:	20140131
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <submissionType>SCHEDULE 13G/A</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001598843</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>4</amendmentNo>
      <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>03/31/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0001806837</issuerCik>
        <issuerName>Vertex, Inc.</issuerName>
        <issuerCusip>92538J106</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <street1 xmlns="http://www.sec.gov/edgar/common">2301 Renaissance Boulevard</street1>
          <city xmlns="http://www.sec.gov/edgar/common">King of Prussia</city>
          <stateOrCountry xmlns="http://www.sec.gov/edgar/common">PA</stateOrCountry>
          <zipCode xmlns="http://www.sec.gov/edgar/common">19406</zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>Arthur C. Young</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>X1</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0</soleVotingPower>
        <sharedVotingPower>3630850</sharedVotingPower>
        <soleDispositivePower>0</soleDispositivePower>
        <sharedDispositivePower>3630850</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>3630850</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.1</classPercent>
      <typeOfReportingPerson>IN</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>Douglas J. Dossey</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>X1</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0</soleVotingPower>
        <sharedVotingPower>3630850</sharedVotingPower>
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      <reportingPersonName>Tensile Capital Management LP</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
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      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>3630850</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.1</classPercent>
      <typeOfReportingPerson>IA</typeOfReportingPerson>
      <typeOfReportingPerson>OO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>Tensile Capital Management GP LLC</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0</soleVotingPower>
        <sharedVotingPower>3630850</sharedVotingPower>
        <soleDispositivePower>0</soleDispositivePower>
        <sharedDispositivePower>3630850</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>3630850</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.1</classPercent>
      <typeOfReportingPerson>OO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>Tensile Capital GP LLC</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0</soleVotingPower>
        <sharedVotingPower>3630850</sharedVotingPower>
        <soleDispositivePower>0</soleDispositivePower>
        <sharedDispositivePower>3630850</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>3630850</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.1</classPercent>
      <typeOfReportingPerson>PN</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>Tensile Capital Partners Master Fund</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>E9</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0</soleVotingPower>
        <sharedVotingPower>3630850</sharedVotingPower>
        <soleDispositivePower>0</soleDispositivePower>
        <sharedDispositivePower>3630850</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>3630850</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.1</classPercent>
      <typeOfReportingPerson>PN</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>Vertex, Inc.</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>2301 Renaissance Boulevard, King of Prussia, PA 19406</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Arthur C. Young
Douglas J. Dossey
Tensile Capital Management LP
Tensile Capital Management GP LLC
Tensile Capital GP LLC
Tensile Capital Partners Master Fund LP</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>700 Larkspur Landing Circle, Suite 255
Larkspur, CA 94939</principalBusinessOfficeOrResidenceAddress>
        <citizenship>United States, Delaware</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>N</notApplicableFlag>
        <typeOfPersonFiling>IA</typeOfPersonFiling>
      </item3>
      <item4>
        <amountBeneficiallyOwned>The information requested by this paragraph is incorporated herein by reference to the cover page to this Schedule 13G.</amountBeneficiallyOwned>
        <classPercent>See above.</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>See above.</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>See above.</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>See above.</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>See above.</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>Arthur C. Young</reportingPersonName>
      <signatureDetails>
        <signature>Arthur C. Young</signature>
        <title>Arthur C. Young</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Douglas J. Dossey</reportingPersonName>
      <signatureDetails>
        <signature>Douglas J. Dossey</signature>
        <title>Douglas J. Dossey</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Tensile Capital Management LP</reportingPersonName>
      <signatureDetails>
        <signature>Arthur C. Young</signature>
        <title>Managing Partner</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Tensile Capital Management GP LLC</reportingPersonName>
      <signatureDetails>
        <signature>Arthur C. Young</signature>
        <title>Manager</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Tensile Capital GP LLC</reportingPersonName>
      <signatureDetails>
        <signature>Arthur C. Young</signature>
        <title>Manager</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>Tensile Capital Partners Master Fund</reportingPersonName>
      <signatureDetails>
        <signature>Arthur C. Young</signature>
        <title>General Partner</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
