FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * HOMBERGER CAROLYN B   2. Issuer Name and Ticker or Trading Symbol ACI WORLDWIDE, INC. [ACIW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Group President AOD (Last) (First) (Middle) 3520 KRAFT ROAD, SUITE 300 3. Date of Earliest Transaction (Month/Day/Year) 06/09/2015 (Street) NAPLES, FL 34105 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 06/09/2015   A   2,746 (1) A $ 0 15,216 (2) D   Common Stock 06/09/2015   A   5,490 (3) A $ 0 20,706 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HOMBERGER CAROLYN B 3520 KRAFT ROAD SUITE 300 NAPLES, FL 34105			Group President AOD

Signatures

By: /s/ La Dell Diaz, Attorney in Fact For: Carolyn Homberger		06/11/2015
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	These performance-based restricted shares were granted pursuant to the Company's 2005 Equity and Performance Incentive Plan, as amended (the "Plan"). The reported number of performance-based restricted shares represents the number of on-target shares for the 2015 Performance Period. The vesting percentage may be greater or less than 100% of the on-target shares based on the Company's 2015 EBITDA performance. These performance-based restricted shares will vest, if at all, upon: (i) the reporting person's continued employment by the registrant, and (ii) subject to the reporting person's continued employment on such date, the Company achieving certain 2015 EBITDA performance objectives.
(2)	The amount of securities owned has also been updated to include 198 shares acquired under the Company's 1999 Employee Stock Purchase Plan, as amended.
(3)	These performance-based restricted shares were granted pursuant to the Plan. The reported number of performance-based restricted shares represents the number of on-target shares for the 2016 Performance Period. The vesting percentage may be greater or less than 100% of the on-target shares based on the Company's 2016 EBITDA performance. These performance-based restricted shares will vest, if at all, upon: (i) the reporting person's continued employment by the registrant, and (ii) subject to the reporting person's continued employment on such date, the Company achieving certain 2016 EBITDA performance objectives.

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