SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* SUWINSKI JAN (Last) (First) (Middle) 3520 KRAFT ROAD SUITE 300 (Street) NAPLES FL 34105 (City) (State) (Zip)	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 Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 05/30/2018
	4. If Amendment, Date of 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

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	05/30/2018		M		30,000	A	$5.04	166,896	D
Common Stock	05/30/2018		S		30,000	D	$24.1942(1)	136,896	D
Common Stock	05/31/2018		M		7,714	A	$6.1033	144,610	D
Common Stock	05/31/2018		S		7,714	D	$24.301(2)	136,896	D
Common Stock	05/31/2018		M		13,500	A	$6.1033	150,396	D
Common Stock	05/31/2018		S		13,500	D	$24.4931(3)	136,896	D
Common Stock	06/01/2018		M		8,786	A	$6.1033	145,682	D
Common Stock	06/01/2018		S		8,786	D	$24.5556(4)	136,896	D
Common Stock	06/01/2018		M		15,000	A	$9.6667	151,896	D
Common Stock	06/01/2018		S		15,000	D	$24.6457(5)	136,896	D

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 Securities Underlying Derivative Security (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: 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)	$5.04	05/30/2018		M			30,000	(6)	06/10/2019	Common Stock	30,000	$0.0	0	D
Non-Qualified Stock Option (right to buy)	$6.1033	05/31/2018		M			7,714	(6)	06/09/2020	Common Stock	7,714	$0.0	22,286	D
Non-Qualified Stock Option (right to buy)	$6.1033	05/31/2018		M			13,500	(6)	06/09/2020	Common Stock	13,500	$0.0	8,786	D
Non-Qualified Stock Option (right to buy)	$6.1033	06/01/2018		M			8,786	(6)	06/09/2020	Common Stock	8,786	$0.0	0	D
Non-Qualified Stock Option (right to buy)	$9.6667	06/01/2018		M			15,000	(6)	06/15/2021	Common Stock	15,000	$0.0	15,000	D

Explanation of Responses:

1. The sale price ranged from $24.16 to $24.22, with a weighted average sale price of $24.194242. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

2. The sale price ranged from $24.30 to $24.32, with a weighted average sale price of $24.300952. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

3. The sale price ranged from $24.40 to $24.53, with a weighted average sale price of $24.493058. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

4. The sale price ranged from $24.50 to $24.64, with a weighted average sale price of $24.555629. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

5. The sale price ranged from $24.585 to $24.70, with a weighted average sale price of $24.645747. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

6. The options were granted pursuant to the ACI Worldwide, Inc. 2005 Equity and Performance Incentive Plan.

Remarks:

Mr. Suwinski is not standing for re-election to the ACI Worldwide, Inc. Board of Directors. The options reported herein would otherwise expire within 90 days after the 2018 annual meeting of stockholders.

	By: Dennis Byrnes, Attorney in Fact For: Jan H. Suwinski	06/01/2018
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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