ACI Worldwide director granted 5,720 RSUs

MCCALLUM KATRINKA reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

MCCALLUM KATRINKA reported acquisition or exercise transactions in this Form 4 filing.

ACI Worldwide director receives equity award. Director Katrinka McCallum was granted 5,720 shares of ACI Worldwide common stock as restricted stock units. These units were awarded under the company’s 2020 Equity and Performance Incentive Plan and increase her direct holdings to 20,201 shares.

The restricted shares vest on the earlier of the grant’s one-year anniversary, the day immediately before the company’s next annual stockholder meeting, or a change in control of the company. This is a compensation-related, non-cash equity grant rather than an open-market share purchase or sale.

Insider Trade Summary

Grant/Award: 5,720 shares

Grant/Award 1 txn

Insider MCCALLUM KATRINKA

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5,720	$0.00	$0.00

Holdings After Transaction: Common Stock — 20,201 shares (Direct)

Footnotes (1)

1. F1. Represents shares of restricted stock units awarded pursuant to the Company's 2020 Equity and Performance Incentive Plan, as amended. The restricted shares vest on the earlier to occur of (i) anniversary of the date of grant, (ii) the day immediately prior to the date of the Company's next annual meeting of the stockholders, or (iii) a change in control of the Company.

Key Figures

Restricted stock units granted: 5,720 shares Shares held after transaction: 20,201 shares Grant price per share: $0.00 per share

3 metrics

Restricted stock units granted 5,720 shares Award of common stock RSUs to director on 2026-06-02

Shares held after transaction 20,201 shares Total direct common stock holdings following grant

Grant price per share $0.00 per share Reported transaction price for RSU award

Key Terms

restricted stock units, 2020 Equity and Performance Incentive Plan, annual meeting of the stockholders, change in control

4 terms

restricted stock units financial

"Represents shares of restricted stock units awarded pursuant to the Company's 2020 Equity and Performance Incentive Plan"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

2020 Equity and Performance Incentive Plan financial

"awarded pursuant to the Company's 2020 Equity and Performance Incentive Plan, as amended"

annual meeting of the stockholders financial

"the day immediately prior to the date of the Company's next annual meeting of the stockholders"

change in control financial

"the day immediately prior to the date of the Company's next annual meeting of the stockholders, or (iii) a change in control of the Company"

A "change in control" occurs when the ownership or management of a company shifts significantly, such as through a merger, acquisition, or sale of a large part of its assets. This change can impact how the company is run and may influence its future direction. For investors, it matters because it can affect the company's stability, strategy, and value, often signaling potential changes in investment risk or opportunity.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did ACI Worldwide (ACIW) director Katrinka McCallum report on this Form 4?

Director Katrinka McCallum reported receiving 5,720 ACI Worldwide common shares as restricted stock units. The award was granted at no cash cost under the 2020 Equity and Performance Incentive Plan, increasing her direct holdings to 20,201 shares after the transaction.

Is the ACI Worldwide (ACIW) Form 4 transaction a stock purchase or a compensation grant?

The Form 4 shows a compensation grant, not an open-market purchase. McCallum received 5,720 restricted stock units at a reported price of $0.00 per share under ACI Worldwide’s 2020 Equity and Performance Incentive Plan, reflecting a non-cash equity award to a director.

When do Katrinka McCallum’s 5,720 ACI Worldwide (ACIW) restricted stock units vest?

The 5,720 restricted stock units vest on the earliest of three events: the first anniversary of the grant date, the day immediately before ACI Worldwide’s next annual stockholder meeting, or upon a change in control of the company, according to the award’s footnote disclosure.

How many ACI Worldwide (ACIW) shares does Katrinka McCallum hold after this Form 4 grant?

After receiving 5,720 restricted stock units, Katrinka McCallum directly holds 20,201 ACI Worldwide common shares. This total includes the newly granted restricted shares, which vest based on time or corporate events described in the company’s 2020 Equity and Performance Incentive Plan.

Under which plan were the 5,720 ACI Worldwide (ACIW) restricted stock units granted?

The 5,720 restricted stock units were granted under ACI Worldwide’s 2020 Equity and Performance Incentive Plan, as amended. This plan governs equity-based compensation awards, including restricted stock units, to company directors and other participants, subject to vesting terms and conditions described in the plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/03/2026 - 06:54 PM Learn about SEC filing dates

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MCCALLUM KATRINKA

(Last) (First) (Middle)

6060 COVENTRY DRIVE

(Street)

ELKHORN NEBRASKA 68022

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/02/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/02/2026		A		5,720(1)	A	$0	20,201	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

Explanation of Responses:

1. Represents shares of restricted stock units awarded pursuant to the Company's 2020 Equity and Performance Incentive Plan, as amended. The restricted shares vest on the earlier to occur of (i) anniversary of the date of grant, (ii) the day immediately prior to the date of the Company's next annual meeting of the stockholders, or (iii) a change in control of the Company.

Remarks:

	Katrinka McCallum	06/03/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)