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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

___________________________

FORM 8-K

___________________________

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 13, 2024

Commission File Number 0-25346

ACI WORLDWIDE, INC.

(Exact name of registrant as specified in its charter)

Delaware

47-0772104

(State or other jurisdiction of incorporation or organization)

(I.R.S. Employer Identification No.)

6060 Coventry Drive

Elkhorn,

Nebraska

68022

(Address of Principal Executive Offices)

(Zip Code)

(402) 390-7600

(Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, $0.005 par value

ACIW

Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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Item 8.01. Other Events.

On June 13, 2024, ACI Worldwide, Inc. (the "Company") announced the Board of Directors (the "Board") authorized the repurchase of $400 million in shares of the Company's common stock. The new approval includes $65 million remaining under the Company's existing share repurchase authorization. The share repurchases may be made at management's discretion in the open market, through privately negotiated transactions and Rule 10b5-1 plans. This authorization does not expire.

A copy of the press release announcing the forgoing matters is attached hereto as Exhibit 99.1 and is incorporated by reference into this Item 8.01.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

99.1			Press Release dated June 13, 2024
104			Cover Page Interactive Data File (embedded within the Inline XBRL document)

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. 

			ACI WORLDWIDE, INC. (Registrant)
Date: June 13, 2024			By:			/s/ DENNIS P. BYRNES
						Dennis P. Byrnes
						Executive Vice President and General Counsel