Timberland Bancorp (TSBK) director exercises options and sells 1,600 shares

Rhea-AI Filing Summary

Timberland Bancorp director Andrea M. Clinton reported multiple stock option exercises and a share sale. On January 30, 2026, she exercised options for 200, 800, and 600 Timberland Bancorp common shares at exercise prices of $16.87, $28.23, and $27.40 per share, respectively.

On the same date, she sold 1,600 common shares at a price of $39.19 per share. After these transactions, she directly held 8,910 common shares, along with stock options representing 2,000, 1,200, and 600 underlying common shares from three separate option grants.

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

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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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

CLINTON ANDREA M

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/30/2026

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, $0.01 par value per share	01/30/2026		M		200	A	$16.87	9,110	D
Common Stock, $0.01 par value per share	01/30/2026		M		800	A	$28.23	9,910	D
Common Stock, $0.01 par value per share	01/30/2026		M		600	A	$27.4	10,510	D
Common Stock, $0.01 par value per share	01/30/2026		S		1,600	D	$39.19	8,910	D

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
Stock Options (Right to Buy)	$16.87	01/30/2026		M			200	09/22/2025	09/22/2030	Common Stock	200	$0	2,000	D
Stock Options (Right to Buy)	$28.23	01/30/2026		M			800	09/28/2026	09/28/2031	Common Stock	800	$0	1,200	D
Stock Options (Right to Buy)	$27.4	01/30/2026		M			600	09/27/2027	09/27/2032	Common Stock	600	$0	600	D

Explanation of Responses:

	/s/Cheryl Parks, Power of Attorney for Andrea M. Clinton	02/02/2026
	** 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 insider transactions did Timberland Bancorp (TSBK) director Andrea M. Clinton report?

Andrea M. Clinton reported exercising stock options and selling shares of Timberland Bancorp common stock. On January 30, 2026, she exercised options for 1,600 shares in total and sold 1,600 shares, all as direct holdings reported under Section 16 rules.

How many Timberland Bancorp (TSBK) shares did Andrea M. Clinton sell and at what price?

Andrea M. Clinton sold 1,600 shares of Timberland Bancorp common stock. The reported sale price was $39.19 per share on January 30, 2026, and the transaction was coded as an open market or private sale under transaction code “S” in the filing.

What stock options did Andrea M. Clinton exercise in Timberland Bancorp (TSBK)?

She exercised three stock option grants covering 200, 800, and 600 Timberland Bancorp common shares. The exercise prices were $16.87, $28.23, and $27.40 per share, respectively, all on January 30, 2026, converting those options into common stock positions.

How many Timberland Bancorp (TSBK) shares does Andrea M. Clinton own after these transactions?

Following the reported transactions, Andrea M. Clinton directly owns 8,910 shares of Timberland Bancorp common stock. She also continues to hold stock options on additional shares, including option positions covering 2,000, 1,200, and 600 underlying common shares from three separate grants.

What is Andrea M. Clinton’s role at Timberland Bancorp (TSBK) in this Form 4?

In this Form 4, Andrea M. Clinton is identified as a director of Timberland Bancorp. The filing indicates she is not reported as a 10% owner or officer, and the transactions reflect changes in her beneficial ownership as a board member.

Are Andrea M. Clinton’s Timberland Bancorp (TSBK) holdings direct or indirect?

All reported holdings and transactions in this filing are marked as direct. The Form 4 lists her ownership form as “D” for both the common stock and the stock options, with no separate entity or indirect beneficial ownership nature disclosed in the transaction details.