X0609 4 2025-09-23 0 0001046050 TIMBERLAND BANCORP INC TSBK 0001861355 Bhandari Parul false 1775 I STREET NW SUITE 910 WASHINGTON DC 20006 1 0 0 0 0 Common Stock, $.01 par value 2025-09-23 4 F 0 51 44.82 D 1894 D Common Stock, $.01 par value 2026-09-24 4 F 0 58 45.1 D 1836 D As previously reported 233 shares of restricted stock vested on September 23, 2026, of which 51 shares were withheld al the election of the Reporting Person for Issuer to pay the value of the vested shares to state and federal tax authorities for the Reporting Person's account. As previously reported 215 shares of restricted stock vested on September 24, 2026, of which 58 shares were withheld al the election of the Reporting Person for Issuer to pay the value of the vested shares to state and federal tax authorities for the Reporting Person's account. /s/Cheryl Parks, Power of Attorney for Parul Bhandari 2026-09-25