[Form 4] FS Bancorp, Inc. Insider Trading Activity

Rhea-AI Filing Summary

FS Bancorp, Inc. (FSBW) director activity: A reporting person serving as a director reported multiple transactions in common stock. On 11/13/2025, the director sold 3,807 shares of common stock at a price of $40 per share, leaving 5,590 shares beneficially owned after that sale. On 11/14/2025, the director exercised stock options for 17 shares at an exercise price of $29.3 per share and acquired those shares, then sold 17 shares at $40.05 per share, returning the directly owned common stock position to 5,590 shares. The director also reported 16,043 stock options beneficially owned following these transactions.

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^*

Cofer-Wildsmith Marina

(Last) (First) (Middle)

C/O FS BANCORP, INC.

6920 220TH STREET SW

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/13/2025

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	11/13/2025		S		3,807	D	$40	5,590	D
Common Stock	11/14/2025		M		17	A	$29.3	5,607	D
Common Stock	11/14/2025		S		17	D	$40.05	5,590	D
Common Stock								2,532	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)	$29.3	11/14/2025		M			17	08/15/2019	08/15/2028	Common Stock	17	$0	16,043	D

Explanation of Responses:

	/s/Marina Cofer-Wildsmith	11/14/2025
	** 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 insider transactions were reported for FS Bancorp (FSBW)?

A director of FS Bancorp, Inc. (FSBW) reported selling 3,807 shares of common stock on 11/13/2025 and additional option-related transactions on 11/14/2025.

How many FS Bancorp (FSBW) shares did the director sell?

The director sold 3,807 shares of FS Bancorp common stock at $40 per share on 11/13/2025, and later sold 17 shares at $40.05 per share on 11/14/2025.

What stock option activity did the FS Bancorp director report?

On 11/14/2025, the director exercised stock options for 17 shares of common stock at an exercise price of $29.3 per share, then sold those 17 shares.

How many FS Bancorp (FSBW) shares does the director own after these transactions?

After the reported transactions, the director beneficially owned 5,590 shares of FS Bancorp common stock directly.

How many stock options does the FS Bancorp director hold after the Form 4 transactions?

The director reported beneficial ownership of 16,043 stock options (right to buy common stock) following the reported transactions.

What is the director’s relationship to FS Bancorp (FSBW)?

The reporting person is identified as a Director of FS Bancorp, Inc. and filed the Form 4 as an individual reporting person.