Timberland Bancorp director sells 2,000 shares

TIMBERLAND BANCORP INC (TSBK) director Robert A. Drugge reported an option exercise and related share sale.

Rhea-AI Filing Summary

TIMBERLAND BANCORP INC (TSBK) director Robert A. Drugge reported an option exercise and related share sale. He exercised 2,000 stock options for Common Stock at an exercise price of $15.67 per share, reducing his remaining option position to 12,100 options. He then acquired 2,000 shares of Common Stock through this exercise and sold the same 2,000 shares at $45.87 per share in a disposition reported as a sale. A separate holding entry notes shares held directly through an IRA, without stating the total IRA share amount.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 4 txns

Insider DRUGGE ROBERT A

Role Director

Sold 2,000 shs ($92K)

Approx. gross sale proceeds $92K

Approx. exercise cost $31K

Type	Security	Shares	Price	Value
Exercise	Stock Options (Right to Buy)	2,000	$0.00	$0.00
Exercise	Common Stock, $.01 par value	2,000	$15.67	$31K
Sale	Common Stock, $.01 par value	2,000	$45.87	$92K
holding	Common Stock, $.01 par value F1	--	--	--

Holdings After Transaction: Stock Options (Right to Buy) — 12,100 contracts (Direct); Common Stock, $.01 par value — 45,018 shares (Direct)

Footnotes (1)

1. F1. Shares held directly through an IRA.

Key Figures

Options Exercised: 2,000 shares Exercise Price: $15.67 per share Options Remaining: 12,100 options +2 more

5 metrics

Options Exercised 2,000 shares Stock options exercised for Common Stock on 2026-08-18

Exercise Price $15.67 per share Exercise price of stock options exercised on 2026-08-18

Options Remaining 12,100 options Stock options held following the option exercise transaction

Shares Sold 2,000 shares Common Stock sold on 2026-08-18 in a sale transaction

Sale Price $45.87 per share Price for sale of 2,000 Common Stock shares on 2026-08-18

Key Terms

Stock Options (Right to Buy), derivative security, IRA

3 terms

Stock Options (Right to Buy) financial

"security_title: Stock Options (Right to Buy)"

derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

IRA financial

"Shares held directly through an IRA."

An individual retirement account (IRA) is a savings account designed to help people put aside money for their retirement, often with tax advantages that encourage long-term savings. It matters to investors because it can grow over time, providing financial security later in life, and offers benefits that can reduce current taxes or allow investments to compound more effectively.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did TSBK director Robert A. Drugge report?

Robert A. Drugge exercised 2,000 stock options at $15.67 per share for Timberland Bancorp Inc Common Stock and sold the resulting 2,000 shares at $45.87 per share on the same date.

How many Timberland Bancorp (TSBK) options does Robert A. Drugge hold after this Form 4?

After exercising options, Robert A. Drugge holds 12,100 stock options on Timberland Bancorp Inc Common Stock, as reported as the total options following the derivative transaction on this Form 4.

At what prices did Robert A. Drugge exercise and sell TSBK shares?

He exercised options at an exercise price of $15.67 per share and sold the acquired 2,000 Timberland Bancorp Inc Common Stock shares at $45.87 per share in a reported sale transaction.

Did the TSBK Form 4 indicate use of a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not checked, and there is no footnote stating the transactions were made under a Rule 10b5-1 or other pre-arranged trading plan.

How many TSBK shares did Robert A. Drugge sell in this Form 4 filing?

Robert A. Drugge reported a sale of 2,000 shares of Timberland Bancorp Inc Common Stock in an open-market or private transaction at a price of $45.87 per share.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/18/2026 - 03:57 PM EDT Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

DRUGGE ROBERT A

(Last) (First) (Middle)

624 SIMPSON AVENUE

(Street)

HOQUIAM WASHINGTON 98550

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/18/2026

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

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

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

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	08/18/2026		M		2,000	A	$15.67	40,245	D
Common Stock, $.01 par value	08/18/2026		S		2,000	D	$45.87	38,245	D
Common Stock, $.01 par value								6,773(1)	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)	$15.67	08/18/2026		M			2,000	09/27/2016	09/27/2026	Common Stock	2,000	$0	12,100	D

Explanation of Responses:

1. Shares held directly through an IRA.

	/s/Robert A. Drugge	08/18/2026
	** 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.
* Form 4: SEC 1474 (03-26)