James G. Mackey, Chief Financial Officer of BankUnited, Inc. (BKU +0.26%), reported the disposition of 3,517 shares of common stock on Aug. 20, 2026, according to a recent SEC Form 4 filing. Transaction summary Metric Value Shares sold (directly held) 3,517 Transaction value ~$164,701 Post-transaction shares (directly held) 5,420 Post-transaction value $250,458.20 Transaction value based…