UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 1, 2026

FS BANCORP, INC.
(Exact name of registrant as specified in its charter)

Washington
001-35589
45-4585178
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(I.R.S. Employer
Identification No.)

6920 220th Street SW
Mountlake Terrace, Washington
 
98043
(Address of principal executive offices)
(Zip Code)

Registrant’s telephone number, including area code:  (425) 771-5299

 
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions.
 
     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
 
      Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
 
      Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
 
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:

Title of each class
 
Trading Symbol(s)
 
Name of each exchange on which registered
Common Stock, par value $.01 per share
 
FSBW
 
The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.



Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

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.

For further information reference is made to the press release dated June 1, 2026, which is attached hereto as Exhibit 99.1 and incorporated herein by reference.

Item 9.01   Financial Statements and Exhibits.

(d)  Exhibits
 
Exhibit No.
 
Description
99.1
  
104
 
Cover Page Interactive Data File (embedded within the Inline XBRL document)
 






SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
   
Date: June 1, 2026
FS BANCORP, INC.
   
  /s/Erin Burr
 
Erin Burr
 
Chief Risk Officer and CRA Officer, EVP