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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1. Name and Address of Reporting Person * HEASLEY PHILIP G   2. Issuer Name and Ticker or Trading Symbol ACI WORLDWIDE, INC. [ACIW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CEO and President (Last) (First) (Middle) 3520 KRAFT ROAD, SUITE 300 3. Date of Earliest Transaction (Month/Day/Year) 06/08/2016 (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 06/08/2016   M   4,863 A $ 10.87 1,389,266 D   Common Stock 06/08/2016   S   4,863 D $ 22 1,384,403 D   Common Stock 06/09/2016   D   16,439 (1) D $ 21.73 1,367,964 D   Common Stock 06/09/2016   J   4,162 (2) D $ 0 1,363,802 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

Non-Qualified Stock Option (right to buy)

$ 10.87

06/08/2016

M

4,863

(3)

07/24/2017

Common Stock

4,863

$ 0

295,137

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HEASLEY PHILIP G 3520 KRAFT ROAD SUITE 300 NAPLES, FL 34105	X		CEO and President

Signatures

By: /s/ Dennis Byrnes, Attorney in Fact For: Philip G. Heasley		06/13/2016
**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)	Represents shares surrendered by the reporting person to pay the tax liability due upon the vesting of one-third of his performance-based restricted stock award granted on June 9, 2015.
(2)	The performance-based restricted stock referred to in footnote 1 was earned at 90.4%. These shares reflect the remaining 9.6% of the unearned shares.
(3)	The options were granted pursuant to the ACI Worldwide, Inc. 2005 Equity and Performance Incentive Plan, as amended. The shares identified herein were sold under Mr. Heasley's Rule 10b5-1 plan dated March 17, 2016. Such shares were sold pursuant to the cashless exercise of options granted to Mr. Heasley on July 24, 2007, which would otherwise expire in accordance with their terms on July 24, 2017. As of the date of this report, Mr. Heasley's beneficial ownership of the securities reported herein is 2,101,758 shares, consisting of 1,363,802 shares directly owned and 737,956 shares subject to currently exercisable options with a weighted average exercise price of $13.61.

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