As of November 6, 2026, FS Bancorp, Inc. has reported 2 leadership change filings to the SEC under Item 5.02 of Form 8-K, from June 1, 2026 to October 23, 2026, naming 1 appointment. The latest filing names Matthew D. Mullet, appointed (Form 8-K, October 23, 2026).
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FS Bancorp, Inc. reported changes in 2 filings among its directors and officers to the SEC on Form 8-K, Item 5.02, from 2026-06-01 to 2026-10-23. They name 1 person. Every row below is cited to the filing it comes from, and this page adds each new change as FS Bancorp, Inc. files it.
Also on the record for FS Bancorp, Inc.
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| March 26, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | — | 5%+ stakes | Source |
| February 11, 2026 | Stake report, Schedule 13G, by De Lisle Partners LLP | 5.1% of the class | 5%+ stakes | Source |
| July 29, 2025 | Stake report, Schedule 13G, by The Vanguard Group | 5.19% of the class | 5%+ stakes | Source |
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More on FS Bancorp, Inc. and the records around it.
FS Bancorp, Inc. elsewhere on the record
Companies that share a holder
- De Lisle Partners LLP also filed stake reports on 3 other companies: BUILD-A-BEAR WORKSHOP INC (Feb 2026)
- The Vanguard Group also filed stake reports on 2384 other companies: BellRing Brands, Inc. (Sep 2026), CAL-MAINE FOODS INC (Sep 2026), FTAI Aviation Ltd. (Sep 2026)
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-10-23 | In | 8-K, 2026-10-23 | |||
| 2026-06-01 | Reported | not named in the filing | 8-K, 2026-06-01 |
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Appointed: Matthew D. Mullet
On October 22, 2026, FS Bancorp, Inc. ("Company"), the holding company for 1st Security Bank of Washington ("Bank"), announced that Matthew D. Mullet has been appointed, beginning October 22, 2026 to serve on the Boards of Directors of the Company and the Bank.
- Mr. Mullet has been the President of the Company and Bank since July 2024 and was appointed Chief Executive Officer of the Bank in September 2025 and of the Company in June 2026.
- He joined the Company and Bank in July 2011 and was appointed Chief Financial Officer in September 2011.
- Mr. Mullet began his banking career in June 2000 as a financial examiner with the Washington State Department of Financial Institutions, Division of Banks.
- He also serves as a Board member of the Washington Bankers Association ("WBA"), the Seattle Branch of the Federal Reserve Bank of San Francisco and is also on the Government Relations Committee with the WBA.
- Mr. Mullet has not engaged in any transaction with the Company or the Bank that would be reportable as a related party transaction under the rules of the Securities and Exchange Commission.
Reported
On June 1, 2026, FS Bancorp, Inc. ("Company") (NASDAQ: FSBW), the holding company for 1st Security Bank of Washington ("1st Security Bank" or "Bank") announced that it has named Matthew D. Mullet as Chief Executive Officer of the Company effective June 1, 2026.
- This appointment is part of the CEO succession plan that was previously announced on August 15, 2025.
- Matt Mullet has served as President and CEO of 1st Security Bank and as President of the Company and will also continue in those roles.
- Joe Adams, who retired as CEO of the Company on May 31, 2026, will continue to serve as a director of the Company and the Bank.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.