<SEC-DOCUMENT>0001950047-24-001847.txt : 20240305
<SEC-HEADER>0001950047-24-001847.hdr.sgml : 20240305
<ACCEPTANCE-DATETIME>20240305160756
ACCESSION NUMBER:		0001950047-24-001847
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240305
DATE AS OF CHANGE:		20240305

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
		IRS NUMBER:				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:		24720346

	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:			Dignan Andy
		CENTRAL INDEX KEY:			0002000932
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		3001 BISHOP DR., STE. #350
		CITY:			SAN RAMON
		STATE:			CA
		ZIP:			94583
</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:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0002000932</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>
                <ns2:street1>3001 Bishop Drive</ns2:street1>
                <ns2:street2>Suite 350</ns2:street2>
                <ns2:city>San Ramon</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>94583</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(925) 201-2000</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>ANDREW DIGNAN</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>3670</noOfUnitsSold>
            <aggregateMarketValue>216759.74</aggregateMarketValue>
            <noOfUnitsOutstanding>73326608</noOfUnitsOutstanding>
            <approxSaleDate>03/05/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>03/03/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted stock vesting under a registered plan</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>3670</amountOfSecuritiesAcquired>
            <paymentDate>03/03/2024</paymentDate>
            <natureOfPayment>STC for RSU vest</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Andrew Dignan</name>
                <address>
                    <ns2:street1>3001 Bishop Drive</ns2:street1>
                    <ns2:street2>Suite 350</ns2:street2>
                    <ns2:city>San Ramon</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94583</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>12/07/2023</saleDate>
            <amountOfSecuritiesSold>4815</amountOfSecuritiesSold>
            <grossProceeds>380962.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>Andrew Dignan</name>
                <address>
                    <ns2:street1>3001 Bishop Drive</ns2:street1>
                    <ns2:street2>Suite 350</ns2:street2>
                    <ns2:city>San Ramon</ns2:city>
                    <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                    <ns2:zipCode>94583</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>12/06/2023</saleDate>
            <amountOfSecuritiesSold>4869</amountOfSecuritiesSold>
            <grossProceeds>397261.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>03/05/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Andrew Dignan</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
