[Form 4] TIMBERLAND BANCORP INC Insider Trading Activity

Rhea-AI Filing Summary

Breanne D. Antich, Chief Technology Officer/EVP of Timberland Bancorp Inc. (TSBK), reported restricted stock vesting and a tax-withholding disposition. On 09/24/2025, 300 restricted shares vested; 95 of those vested shares were withheld by the issuer to satisfy state and federal tax withholding obligations at a price of $34.40 per share. After the withholding, the filing shows the reporting person beneficially owns 4,253 shares directly and an additional 4,174 indirectly through the Timberland Bank Employee Stock Ownership and 401(k) Plan (KSOP).

Insights

Securities Analyst

TL;DR: Routine restricted stock vesting with shares withheld for taxes; not a market sale and unlikely to signal change in insider conviction.

The transaction reflects standard post-vesting tax withholding rather than a discretionary open-market sale. The withholding of 95 shares to cover tax obligations reduces the reporting person's direct holdings slightly but leaves substantial combined ownership through direct and KSOP accounts. There are no derivative transactions or additional dispositions reported. For investors, this is administrative and bears no evident material impact on company ownership structure or control.

Corporate Governance Expert

TL;DR: Administrative compliance event: restricted shares vested and withholding executed to satisfy tax liabilities, consistent with standard equity compensation practice.

The filing documents vesting of equity compensation and use of issuer withholding to satisfy tax obligations, a common mechanism that does not alter governance or indicate liquidity-driven insider selling. Combined direct and indirect holdings remain meaningful, with the KSOP holding shown separately. The form is complete in explaining the nature of the transaction and the indirect ownership vehicle.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Antich Breanne D

(Last) (First) (Middle)

624 SIMPSON AVENUE

(Street)

HOQUIAM WA 98550

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TIMBERLAND BANCORP INC [ TSBK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Technology Officer/EVP

3. Date of Earliest Transaction (Month/Day/Year)
09/24/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $.01 par value per share(1)	09/24/2025		F		95	D	$34.4	4,253	D
Common Stock, $.01 par value per share								4,174	I	BY KSOP(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. As previously reported 300 shares of restricted stock vested on September 24, 2025 of which 95 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.

2. Represents shares held in the Timberland Bank Employee Stock Ownership and 401(k) Plan ("KSOP")

	/s/Cheryl Parks, Power of Attorney for Breanne D. Antich	09/25/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.

FAQ

What did Breanne D. Antich report on Form 4 for TSBK?

The report discloses 300 restricted shares vested on 09/24/2025 and 95 of those shares were withheld to pay state and federal taxes at $34.40 per share.

How many Timberland Bancorp (TSBK) shares does the reporting person own after the transaction?

Following the transaction the reporting person beneficially owns 4,253 shares directly and 4,174 indirectly through the KSOP.

Was this Form 4 transaction an open-market sale or purchase?

No. The filing indicates the shares were withheld by the issuer to satisfy tax obligations after restricted stock vesting, not an open-market sale or purchase.

What is the KSOP mentioned in the Form 4 filing?

KSOP refers to the Timberland Bank Employee Stock Ownership and 401(k) Plan, which holds 4,174 shares indirectly for the reporting person.