<SEC-DOCUMENT>0001959173-23-003440.txt : 20230822
<SEC-HEADER>0001959173-23-003440.hdr.sgml : 20230822
<ACCEPTANCE-DATETIME>20230822132435
ACCESSION NUMBER:		0001959173-23-003440
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230822
DATE AS OF CHANGE:		20230822

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Tenable Holdings, Inc.
		CENTRAL INDEX KEY:			0001660280
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				475580846
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-38600
		FILM NUMBER:		231192223

	BUSINESS ADDRESS:	
		STREET 1:		6100 MERRIWEATHER DRIVE
		CITY:			COLUMBIA
		STATE:			MD
		ZIP:			21044
		BUSINESS PHONE:		410-872-0555

	MAIL ADDRESS:	
		STREET 1:		6100 MERRIWEATHER DRIVE
		CITY:			COLUMBIA
		STATE:			MD
		ZIP:			21044

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Thurmond Mark C.
		CENTRAL INDEX KEY:			0001651579

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O TENABLE HOLDINGS, INC.0
		STREET 2:		6100 MERRIWEATHER DRIVE, 12TH FLOOR
		CITY:			COLUMBIA
		STATE:			MD
		ZIP:			21044
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001651579</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
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  <formData>
    <issuerInfo>
      <issuerCik>0001660280</issuerCik>
      <issuerName>Tenable Holdings, Inc.</issuerName>
      <secFileNumber>001-38600</secFileNumber>
      <issuerAddress>
        <com:street1>6100 MERRIWEATHER DRIVE</com:street1>
        <com:city>COLUMBIA</com:city>
        <com:stateOrCountry>MD</com:stateOrCountry>
        <com:zipCode>21044</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>410-872-0555</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Thurmond Mark C.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</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>12531</noOfUnitsSold>
      <aggregateMarketValue>566150.58</aggregateMarketValue>
      <noOfUnitsOutstanding>115639015</noOfUnitsOutstanding>
      <approxSaleDate>08/22/2023</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/03/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5219</amountOfSecuritiesAcquired>
      <paymentDate>02/03/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/17/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3191</amountOfSecuritiesAcquired>
      <paymentDate>02/17/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/23/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>946</amountOfSecuritiesAcquired>
      <paymentDate>05/23/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>08/03/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2347</amountOfSecuritiesAcquired>
      <paymentDate>08/03/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>08/17/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>828</amountOfSecuritiesAcquired>
      <paymentDate>08/17/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Mark C. Thurmond</name>
        <address>
          <com:street1>6100 Merriweather Drive</com:street1>
          <com:city>Columbia</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>21044</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>05/24/2023</saleDate>
      <amountOfSecuritiesSold>2516</amountOfSecuritiesSold>
      <grossProceeds>94450.38</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Mark C. Thurmond</name>
        <address>
          <com:street1>6100 Merriweather Drive</com:street1>
          <com:city>Columbia</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>21044</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>08/04/2023</saleDate>
      <amountOfSecuritiesSold>6396</amountOfSecuritiesSold>
      <grossProceeds>301158.22</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Mark C. Thurmond</name>
        <address>
          <com:street1>6100 Merriweather Drive</com:street1>
          <com:city>Columbia</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>21044</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>08/18/2023</saleDate>
      <amountOfSecuritiesSold>2195</amountOfSecuritiesSold>
      <grossProceeds>97552.60</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>08/22/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>03/17/2022</planAdoptionDate>
      </planAdoptionDates>
      <signature>/S/ Adam Gehring, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Mark C. Thurmond</signature>
    </noticeSignature>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
