Initial Statement of Beneficial Ownership (Form 3)

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * Seath Matthew Douglas 2. Date of Event Requiring Statement (Month/Day/Year) 01/13/2026 3. Issuer Name and Ticker or Trading Symbol TIMBERLAND BANCORP INC [TSBK] (Last) (First) (Middle) 624 SIMPSON AVENUE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Risk Officer/SVP 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) HOQUIAM, WA 98550 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock, $0.01 par value per share 3,155 D Common Stock, $0.01 par value per share 2,155 I By KSOP(1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock options (right to buy)(2)	09/25/2023	09/25/2028	Common Stock, $0.01 par value per share	800	$31.8	D
Stock options (right to buy)(3)	09/24/2024	09/24/2029	Common Stock, $0.01 par value per share	800	$27.14	D
Stock options (right to buy)(4)	09/28/2026	09/28/2031	Common Stock, $0.01 par value per share	1,000	$28.23	D
Stock options (right to buy)(5)	09/27/2027	09/27/2032	Common Stock, $0.01 par value per share	1,000	$27.4	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Seath Matthew Douglas 624 SIMPSON AVENUE HOQUIAM, WA 98550			Chief Risk Officer/SVP

Signatures

/s/Cheryl Parks, Power of Attorney for Matthew D. Seath		01/13/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents shares held in the Timberland Bank Employee Stock Ownership and 401(k) Plan ("KSOP")
(2)	Stock options granted 9/25/2018. These options vested at 20% per annum
(3)	Stock options granted 9/24/2019. These options vested at 20% per annum
(4)	Stock options granted 9/28/2021. These options will vest at 20% per annum
(5)	Stock options granted 9/27/2022. These options will vest at 20% per annum

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.