Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  Saks Craig S
 2. Date of Event Requiring Statement (Month/Day/Year)
02/23/2016		 3. Issuer Name and Ticker or Trading Symbol
ACI WORLDWIDE, INC. [ACIW]
(Last)
(First)
(Middle)
3520 KRAFT ROAD, SUITE 300		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Group President
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NAPLES, FL 34105		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 6,309
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy)   (1) 12/03/2022 Common Stock 10,548 $ 14.27 D  
Non-Qualified Stock Option (right to buy)   (2) 01/26/2025 Common Stock 53,543 $ 19.08 D  
Non-Qualified Stock Option (right to buy)   (3) 12/12/2023 Common Stock 18,978 $ 20.5133 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Saks Craig S
3520 KRAFT ROAD
SUITE 300
NAPLES, FL 34105		       Group President  

Signatures

By: /s/ Dennis Byrnes, Attorney in Fact For: Craig S Saks 02/25/2016
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) The options were granted on December 3, 2012 pursuant the Company's 2005 Equity and Performance Incentive Plan, as amended (the "Plan"). The options vested in three equal annual installments beginning on the first anniversary of the date of grant.
(2) These options were granted pursuant to the Plan. In each case vesting is contingent upon the reporting person's continued employment on the applicable vesting date. 37,795 shares vest in equal annual installments over a three year period beginning with the first anniversary of the date of grant. 5,249 options will become exercisable, if at all, upon the third anniversary of the date of grant, provided that the closing price per share of the registrant's common stock on the NASDAQ Global Select Stock Market ("Stock Price") has met or exceeded $25.38 for at least 20 consecutive trading days. 5,249 options will become exercisable, if at all, upon the fourth anniversary of the date of grant, provided the Stock Price has met or exceeded $31.87 for at least 20 consecutive trading days. 5,250 will become exercisable, if at all, upon the fifth anniversary of the date of grant, provided the Stock has met or exceeded $38.16 for at least 20 consecutive trading days.
(3) The options were granted on December 12, 2013 pursuant the Plan. The options vest in three equal annual installments beginning on the first anniversary of the date of grant.

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