Officer and Director Transaction in ACI WORLDWIDE, INC. Common Stock

Samir Michael Zabaneh, a director at ACI WORLDWIDE, INC., acquired 5,720 shares of common stock on June 2, 2026. This acquisition was made through restricted stock units awarded under the company's 2020 Equity and Performance Incentive Plan. The shares vest on the earlier of an anniversary of the grant date, the day before the next annual stockholder meeting, or a change in control. Following this transaction, Zabaneh holds 47,302 shares. The transaction was reported on a Form 4 filing.