FSBW Form 4: President acquires 237 shares; 25% plan match

Rhea-AI Filing Summary

FS Bancorp (FSBW) reported an insider share purchase by President Matthew D. Mullet. On 11/06/2025, he acquired 237 shares of common stock at $38.01 under the company’s Nonqualified 2022 Stock Purchase Plan, which includes a 25% match.

Following the transaction, the filing lists additional beneficial holdings: 106,340 shares direct, 10,853 indirect by ESOP, 5,600 indirect by spouse’s IRA, and 22,124 indirect by IRA.

Insider Trade Summary

5 transactions reported

Mixed 5 txns

Insider Mullet Matthew D.

Role President

Type	Security	Shares	Price	Value
Other	Common Stock	237	$38.01	$9K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,191 shares (Direct); Common Stock — 10,853 shares (Indirect, By ESOP)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Mullet Matthew D.

(Last) (First) (Middle)

C/O FS BANCORP, INC.

6920 220TH STREET SW, SUITE 300

(Street)

MOUNTLAKE TERRACE WA 98043

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FS Bancorp, Inc. [ FSBW ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
11/06/2025

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	11/06/2025		J(1)		237	A	$38.01	1,191	D
Common Stock								106,340	D
Common Stock								10,853	I	By ESOP
Common Stock								5,600	I	By spouse's IRA
Common Stock								22,124	I	By IRA

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. These shares were purchased under the Issuer's Nonqualified 2022 Stock Purchase Plan and includes a 25% match.

	/s/ Matthew D. Mullet	11/07/2025
	** 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 FS Bancorp (FSBW)’s President buy and at what price?

He acquired 237 shares at a price of $38.01 per share.

When did the FS Bancorp insider transaction occur?

The transaction date was 11/06/2025.

Under what program were the FS Bancorp shares purchased?

They were purchased under the Nonqualified 2022 Stock Purchase Plan, which includes a 25% match.

Who is the reporting person in this FS Bancorp Form 4?

The reporting person is Matthew D. Mullet, President of FS Bancorp.

What beneficial holdings were reported after the transaction?

The filing lists 106,340 shares direct, 10,853 indirect by ESOP, 5,600 indirect by spouse’s IRA, and 22,124 indirect by IRA.

What was the transaction code on the Form 4?

The code shown is J (1), with a note that the shares were purchased under the plan with a 25% match.