<SEC-DOCUMENT>0001604097-25-000006.txt : 20251203
<SEC-HEADER>0001604097-25-000006.hdr.sgml : 20251203
<ACCEPTANCE-DATETIME>20251203183158
ACCESSION NUMBER:		0001604097-25-000006
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251203
DATE AS OF CHANGE:		20251203

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Five9, Inc.
		CENTRAL INDEX KEY:			0001288847
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		ORGANIZATION NAME:           	06 Technology
		EIN:				943394123
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-36383
		FILM NUMBER:		251547705

	BUSINESS ADDRESS:	
		STREET 1:		3001 BISHOP DRIVE
		STREET 2:		SUITE 350
		CITY:			SAN RAMON
		STATE:			CA
		ZIP:			94583
		BUSINESS PHONE:		9252012000

	MAIL ADDRESS:	
		STREET 1:		3001 BISHOP DRIVE
		STREET 2:		SUITE 350
		CITY:			SAN RAMON
		STATE:			CA
		ZIP:			94583

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Five 9 Inc
		DATE OF NAME CHANGE:	20040428

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Burkland Michael
		CENTRAL INDEX KEY:			0001604097
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O FIVE9, INC.
		STREET 2:		3001 BISHOP DR., SUITE 350
		CITY:			SAN RAMON
		STATE:			CA
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <!-- Generated by Workiva -->
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001604097</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001288847</issuerCik>
      <issuerName>Five9, Inc.</issuerName>
      <secFileNumber>001-36383</secFileNumber>
      <issuerAddress>
        <com:street1>3001 Bishop Dr</com:street1>
        <com:street2>Suite 350</com:street2>
        <com:city>San Ramon</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>94583</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>9252012000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Michael Burkland</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Morgan Stanley Smith Barney LLC</name>
        <address>
          <com:street1>Executive Financial Services</com:street1>
          <com:street2>1 New York Plaza 8th Floor</com:street2>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10004</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>17905</noOfUnitsSold>
      <aggregateMarketValue>352549.45</aggregateMarketValue>
      <noOfUnitsOutstanding>76554643</noOfUnitsOutstanding>
      <approxSaleDate>12/04/2025</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/03/2025</acquiredDate>
      <natureOfAcquisitionTransaction>RSU</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>17905</amountOfSecuritiesAcquired>
      <paymentDate>12/03/2025</paymentDate>
      <natureOfPayment>Not Applicable</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Michael Burkland</name>
        <address>
          <com:street1>3001 Bishop Dr.</com:street1>
          <com:street2>Suite 350</com:street2>
          <com:city>San Ramon</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94583</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>09/04/2025</saleDate>
      <amountOfSecuritiesSold>18425</amountOfSecuritiesSold>
      <grossProceeds>473891</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>The sale reported on this Form 144 represents an Issuer mandated sale by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units, and it does not represent a discretionary trade by the Reporting Person.</remarks>
    <noticeSignature>
      <noticeDate>12/03/2025</noticeDate>
      <signature>Michael Burkland</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
