X0508 4 2026-02-23 0 0001166928 WEST BANCORPORATION INC WTBA 0001498467 OLAFSON HARLEE 6813 NW 93RD STREET JOHNSTON IA 50131 0 1 0 0 CHIEF RISK OFFICER 0 COMMON STOCK 2026-02-23 4 A 0 15000 0 A 143001 D COMMON STOCK 20850 I By 401(k) Plan Shares were acquired pursuant to a grant of restricted stock units, 7,500 units of which, vest in five equal annual installments beginning March 25, 2027. The remaining 7,500 units cliff vest on March 25, 2029, subject to achievement of performance criteria established by the Compensation Committee as set out in the grant. 325 shares of previously reported performance stock units did not vest because the appliable performance conditions were not satisfied. 990 shares were acquired pursuant to dividend reinvestment purchases in the employee savings plan 401(k) during the period from January 1, 2025 through December 31, 2025. /s/ Melissa L. Gillespie, By Power of Attorney 2026-02-24