X0609 4 2026-09-23 0 0001046050 TIMBERLAND BANCORP INC TSBK 0001511246 Fischer Jonathan Arthur false 624 SIMPSON AVENUE HOQUIAM WA 98550 0 1 0 0 President/COO 0 Common Stock, $.01 par value 2026-09-23 4 F 0 128 44.82 D 6422 D Common Stock, $.01 par value 2026-09-24 4 F 0 115 45.1 D 6307 D As previously reported 400 shares of restricted stock vested on September 23, 2026, of which 128 shares were withheld at 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 360 shares of restricted stock vested on September 24, 2026, of which 115 shares were withheld at 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 Jonathan A. Fischer 2026-09-25