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* VIPOND MARK R (Last) (First) (Middle) 120 BROADWAY SUITE 3350 (Street) NEW YORK NY 10271 (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) Director 10% Owner X Officer (give title below) Other (specify below) SVP & President Global Product
	3. Date of Earliest Transaction (Month/Day/Year) 08/15/2008
	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	08/15/2008		M		20,000	A	$10.28	56,117(1)	D
Common Stock	08/15/2008		S		20,000	D	$17.1285(2)	36,117	D
Common Stock	08/15/2008		M		30,959	A	$13.875	67,076	D
Common Stock	08/15/2008		S		30,959	D	$17.1285(2)	36,117	D
Common Stock	08/15/2008		M		5,755	A	$13.875	41,872	D
Common Stock	08/15/2008		S		5,755	D	$17.1285(2)	36,117(3)	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)	$10.28	08/15/2008		M			20,000	(4)	05/13/2012	Common Stock	20,000	$0	0	D
Non-Qualified Stock Option (right to buy)	$13.875	08/15/2008		M			30,959	(5)	11/10/2010	Common Stock	30,959	$0	5,755	D
Non-Qualified Stock Option (right to buy)	$13.875	08/15/2008		M			5,755	(6)	11/10/2010	Common Stock	5,755	$0	0	D

Explanation of Responses:

1. The amount of securities owned has also been updated to include 1,941 shares acquired pursuant to the ACI Worldwide, Inc 1999 Employee Stock Purchase Plan, as amended.

2. The sale price ranged from $17.00 to $17.31, with a weighted average sale price of $17.1285. 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. In addition, there are 241 shares owned by Mr. Vipond's spouse. Mr Vipond disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Vipond is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.

4. The options vest in equal annual installments over a 3 - year period commencing on May 13, 2002. The options reported as exercised herein were vested prior to exercise.

5. The options vest in equal annual installments over a 3 - year period commencing on November 10, 2000. The options reported as exercised herein were vested prior to exercise.

6. The options vest in equal annual installments over a 4 - year period commencing on November 10, 2000 The options reported as exercised herein were vested prior to exercise.

	By: Victoria H Finley, Attorney in Fact For: Mark Vipond	08/19/2008
	** 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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