<SEC-DOCUMENT>0001269847-21-000040.txt : 20211207
<SEC-HEADER>0001269847-21-000040.hdr.sgml : 20211207
<ACCEPTANCE-DATETIME>20211207161503
ACCESSION NUMBER:		0001269847-21-000040
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211130
FILED AS OF DATE:		20211207
DATE AS OF CHANGE:		20211207

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Puppala Ram Kumar
		CENTRAL INDEX KEY:			0001897555

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25346
		FILM NUMBER:		211476132

	MAIL ADDRESS:	
		STREET 1:		6060 COVENTRY DRIVE
		CITY:			ELKHORN
		STATE:			NE
		ZIP:			68022

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACI WORLDWIDE, INC.
		CENTRAL INDEX KEY:			0000935036
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				470772104
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3520 KRAFT ROAD, SUITE 300
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34105
		BUSINESS PHONE:		239-403-4600

	MAIL ADDRESS:	
		STREET 1:		3520 KRAFT ROAD, SUITE 300
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TRANSACTION SYSTEMS ARCHITECTS INC
		DATE OF NAME CHANGE:	19950109
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-11-30</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000935036</issuerCik>
        <issuerName>ACI WORLDWIDE, INC.</issuerName>
        <issuerTradingSymbol>ACIW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001897555</rptOwnerCik>
            <rptOwnerName>Puppala Ram Kumar</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2811 PONCE DE LEON BLVD, PH 1</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CORAL GABLES</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33134</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Technology Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16625</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents restricted share units awarded pursuant to the Company's Equity and Performance Incentive Plan.  The restricted share units vest in equal annual installments over a two-year period beginning with the first anniversary of the date of grant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Ram Kumar Puppala</signatureName>
        <signatureDate>2021-12-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
