Form 4 Filing for ACI WORLDWIDE, INC.

Kimberly A. deBeers, a director at ACI WORLDWIDE, INC., acquired 5,720 shares of Common Stock on June 2, 2026. This transaction was made under the Company's 2020 Equity and Performance Incentive Plan. The shares were awarded as restricted stock units and are subject to vesting conditions, including a change in control. Following this acquisition, Ms. deBeers directly owns 7,295 shares of Common Stock. The transaction code "A" indicates an acquisition, and the price per share was $0.00, as these were awarded shares.