<SEC-DOCUMENT>0001193125-21-118411-index.html : 20210416
<SEC-HEADER>0001193125-21-118411.hdr.sgml : 20210416
<ACCEPTANCE-DATETIME>20210416061052
ACCESSION NUMBER:		0001193125-21-118411
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20210416
DATE AS OF CHANGE:		20210416

FILER:

	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

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25346
		FILM NUMBER:		21830044

	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>DEFA14A
<SEQUENCE>1
<FILENAME>d43997ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d43997ddefa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g43997gra008.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g43997gra008.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g43997gra009.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g43997gra009.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g43997naa1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g43997naa1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g43997naa2.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g43997naa2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g43997naa5.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g43997naa5.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g43997naa7.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g43997naa7.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g43997pc3.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g43997pc3.jpg
</DOCUMENT> </SEC-DOCUMENT>