X0508 4 2026-03-09 0001504008 BankUnited, Inc. BKU 0001699667 Bansal Rishi C/O BANKUNITED, INC. 14817 OAK LANE MIAMI LAKES FL 33016 1 Officer of Subsidiary 0 Common Stock, par value $0.01 per share 2026-03-09 4 M 0 32504 0 A 51831 D Common Stock, par value $0.01 per share 2026-03-09 4 M 0 16866 0 A 68697 D Common Stock, par value $0.01 per share 2026-03-09 4 D 0 49370 44.76 D 19327 D Performance Share Unit 2026-03-09 4 M 0 32504 0 D Common Stock, par value $0.01 per share 32504 0 D Restricted Share Unit 2026-03-09 4 M 0 16866 0 D Common Stock, par value $0.01 per share 16866 12442 D Each performance share unit represents the right to receive, at settlement, one share of common stock or cash in an amount equal to the fair market value of one share of common stock. Each restricted share unit represents the right to receive, at settlement, one share of common stock or cash in an amount equal to the fair market value of one share of common stock. 32,504 performance share units vested on December 31, 2025 and are fully vested. 8,308 restricted share units that vested on December 31, 2025 were granted under the BankUnited, Inc. 2014 Omnibus Equity Incentive Plan. The units granted under the BankUnited, Inc. 2023 Omnibus Equity Incentive Plan include 8,558 units that vested on December 31, 2025; 8,557 units that will vest on December 31, 2026; and 3,885 units that will vest on December 31, 2027. The Reporting Person is the Chief Investment Officer of BankUnited, N.A., a wholly owned subsidiary of BankUnited, Inc. /s/ Jacqueline Bravo, as Attorney-in-Fact 2026-03-10