BankUnited Director William S. Rubenstein Receives 1,511 Restricted Shares

This Form 4 filing reports that William S. Rubenstein, a director of BankUnited, Inc., received 1,511 restricted shares of common stock on May 21, 2026. The shares were granted under the BankUnited, Inc. Amended and Restated 2023 Omnibus Equity Incentive Plan. The restricted shares have a grant date of May 21, 2026, and will vest in full on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of shareholders, subject to Rubenstein's continued service as a director through the vesting date. Following this transaction, Rubenstein directly holds 3,545 shares. Additionally, he indirectly holds 10,282 shares through the William S. Rubenstein 2020 Revocable Trust, over which he has voting and dispositive power. The filing was signed by Jacqueline Bravo as Attorney-in-Fact for Rubenstein.