<SEC-DOCUMENT>0000921895-20-003158-index.html : 20201202 <SEC-HEADER>0000921895-20-003158.hdr.sgml : 20201202 <ACCEPTANCE-DATETIME>20201202155425 ACCESSION NUMBER: 0000921895-20-003158 CONFORMED SUBMISSION TYPE: SC 13D/A PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20201202 DATE AS OF CHANGE: 20201202 SUBJECT COMPANY: 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: SC 13D/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-45029 FILM NUMBER: 201363728 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 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: Starboard Value LP CENTRAL INDEX KEY: 0001517137 IRS NUMBER: 000000000 FILING VALUES: FORM TYPE: SC 13D/A BUSINESS ADDRESS: STREET 1: 777 THIRD AVENUE, 18TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 BUSINESS PHONE: (212) 845-7977 MAIL ADDRESS: STREET 1: 777 THIRD AVENUE, 18TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13D/A <SEQUENCE>1 <FILENAME>sc13da106297289_12022020.htm <DESCRIPTION>AMENDMENT NO. 1 TO THE SCHEDULE 13D <TEXT> Document 1 - file: sc13da106297289_12022020.htm
</DOCUMENT> <DOCUMENT> <TYPE>SC 13D/A <SEQUENCE>2 <FILENAME>ex991to13da106297289_120220.pdf <DESCRIPTION>EXHIBIT 99.1 - LETTER TO ACIW <TEXT> Document 2 - file: ex991to13da106297289_120220.pdf
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