Matthew D. Mullet - 14 Aug 2026 Form 4 Insider Report for FS Bancorp, Inc. (FSBW)

Reporting relationship: President & CEO of the Bank
Issuer ticker: FSBW
Reported as of: 14 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Aug 2026, 15:34:25 UTC
Prior SEC filing: 10 Aug 2026
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 18 Aug 2026.

Key facts

This page summarizes Matthew D. Mullet's Form 4 filing for FS Bancorp, Inc. (FSBW).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 18 Aug 2026, 15:34.

Change

Previous filing in this sequence was filed on 10 Aug 2026.
Current net transaction value: $0.

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 & CEO of the Bank
Address: C/O FS BANCORP, INC., 6920 220TH STREET SW, MOUNTLAKE TERRACE
Signature: /s/Matthew D. Mullet
Signature date: 18 Aug 2026

Reported non-derivative transactions

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

FSBW transaction

Common Stock

Award

Transaction value
Shares: +8,046
Change %: +7.6%
Price
Shares after: 114,386
Date: 14 Aug 2026
Ownership: Direct
Footnotes: F1

FSBW transaction

Common Stock

Tax liability

Transaction value
Shares: -1,970
Change %: -1.7%
Price: $43.48^*
Shares after: 112,416
Date: 14 Aug 2026
Ownership: Direct

FSBW holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,829
Date: 14 Aug 2026
Ownership: Direct

FSBW holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,853
Date: 14 Aug 2026
Ownership: By ESOP

FSBW holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,600
Date: 14 Aug 2026
Ownership: By Spouse's IRA

FSBW holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 22,124
Date: 14 Aug 2026
Ownership: By IRA

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents award of restricted stock pursuant to the FS Bancorp, Inc. 2026 Equity Incentive Plan. Vests in equal installments of 25% per year beginning on August 15, 2027.