Matthew D. Mullet - 05 Nov 2025 Form 4 Insider Report for FS Bancorp, Inc. (FSBW)

Reporting relationship: President
Issuer ticker: FSBW
Reported as of: 05 Nov 2025
Net transaction value: +$65,972
SEC form: 4
Accepted by SEC: 07 Nov 2025, 13:15:50 UTC
Prior SEC filing: 19 Aug 2025
Next SEC filing: 10 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/Matthew D. Mullet

Key filing fact

Matthew D. Mullet filed Form 4 for FS Bancorp, Inc. (FSBW) on 07 Nov 2025.

Key facts

This page summarizes Matthew D. Mullet's Form 4 filing for FS Bancorp, Inc. (FSBW).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 07 Nov 2025, 13:15.

Change

Previous filing in this sequence was filed on 19 Aug 2025.
Current net transaction value: +$65,972.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001548095 Primary reporting owner

Mullet Matthew D.

Relationship: President
Address: C/O FS BANCORP, INC., 6920 220TH STREET SW, MOUNTLAKE TERRACE
Signature: /s/Matthew D. Mullet
Signature date: 07 Nov 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

FSBW transaction

Common Stock

Options Exercise

Transaction value: $65,972
Shares: +3,090
Change %: +3%
Price: $21.35
Shares after: 106,340
Date: 05 Nov 2025
Ownership: Direct

FSBW holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 954
Date: 05 Nov 2025
Ownership: Direct

FSBW holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,853
Date: 05 Nov 2025
Ownership: BY ESOP

FSBW holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,600
Date: 05 Nov 2025
Ownership: By spouse's IRA

FSBW holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 22,124
Date: 05 Nov 2025
Ownership: By IRA

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

FSBW transaction Derivative

Stock Options (Right to Buy)

Options Exercise

Transaction value: $0
Shares: -3,090
Change %: -4.2%
Price: $0.000000
Shares after: 70,500
Date: 05 Nov 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,090
Exercise price: $21.35

^* marks a reported price that did not pass the local price check.

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