Thomas W. Warsop III - 01 Jun 2026 Form 4 Insider Report for ACI WORLDWIDE, INC. (ACIW)

Reporting relationship: President and CEO, Director
Issuer ticker: ACIW
Reported as of: 01 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Jun 2026, 17:10:59 UTC
Prior SEC filing: 15 Apr 2026
Source filing: View source filing
Reporting owner signature: Thomas W Warsop, III

Key filing fact

Thomas W. Warsop III filed Form 4 for ACI WORLDWIDE, INC. (ACIW) on 02 Jun 2026.

Key facts

This page summarizes Thomas W. Warsop III's Form 4 filing for ACI WORLDWIDE, INC. (ACIW).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 02 Jun 2026, 17:10.

Change

Previous filing in this sequence was filed on 15 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001384334 Primary reporting owner

Warsop Thomas W III

Relationship: President and CEO, Director
Address: 6060 COVENTRY DRIVE, ELKHORN
Signature: Thomas W Warsop, III
Signature date: 02 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ACIW transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -8,075
Change %: -1.6%
Price: $45.03^*
Shares after: 483,017
Date: 01 Jun 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents shares surrendered by the reporting person to pay the tax liability due upon the vesting of 20,522 shares, representing one third of the restricted stock units granted on June 1, 2023.

Footnote F2

The amount of securities owned has been updated to include 18 shares acquired under the Company's Employee Stock Purchase Plan.