Form 4 Filing for BANNER CORP

Cynthia D. Purcell, Executive Vice President of Banner Bank, reported a disposition of 412 shares of BANNER CORP common stock on April 2, 2026. The shares were relinquished to cover tax obligations upon the vesting of restricted stock. The transaction code F indicates a disposition, and the shares were sold at a price of $60.86 per share. Following this transaction, Ms. Purcell owns 51,570 shares of BANNER CORP stock. This ownership includes 4 shares held directly through a Deferred Compensation Plan and 1,099 shares held through a 401(k) Plan.