Timberland Bancorp Inc.

TSBK·NASDAQ·$41.02Share Price as of 11/2·$321MMarket Cap as of 11/2

Financials

10-QQ3 ended 06/30/2608/07/26 10-QQ2 ended 03/31/2605/07/26 10-QQ1 ended 12/31/2502/06/26 10-KFY 202512/09/25 10-QQ3 ended 06/30/2508/08/25

Disclosures

8-KCurrent report07/29/26 8-KCurrent report04/30/26 8-KCurrent report01/29/26 8-KCurrent report01/27/26 8-KCurrent report01/07/26

Prospectuses and Registrations

S-8Registration of securities for employees07/23/20 424B3Prospectus08/22/18 S-4/ARegistration (business combination, amended)08/14/18 S-4Registration (business combination)07/27/18 S-8Registration of securities for employees02/27/15

Proxies

DEFA14AAdditional proxy materials01/07/26 DEF 14ADefinitive proxy12/17/25 DEF 14ADefinitive proxy12/18/24 DEF 14ADefinitive proxy12/18/23 DEF 14ADefinitive proxy12/16/22

Ownership

Form 4Insider transaction10/02/26 4/AInsider transaction (amended)10/02/26 Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26 Form 4Insider transaction10/01/26

Other

11-KEmployee stock purchase plan report03/27/26 ARSAnnual report to shareholders12/17/25 11-KEmployee stock purchase plan report03/06/25 ARSAnnual report to shareholders12/18/24 11-KEmployee stock purchase plan report03/08/24