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AI brief of an SEC Form 8-K · FS Bancorp, Inc. (FSBW)

FS Bancorp appoints CEO Matthew Mullet to its board of directors

Neutral Impact 2 of 5 leadership Written later

FS Bancorp, holding company for 1st Security Bank of Washington, appointed Matthew D. Mullet to the boards of directors of the Company and the Bank, effective October 22, 2026. Mullet already leads the company as Chief Executive Officer, so the change adds him to the board rather than changing the executive team.

Key points

  • Board appointment effective October 22, 2026, announced October 23, 2026
  • Mullet has been President since July 2024, Bank CEO since September 2025, and Company CEO since June 2026
  • Mullet joined the company in July 2011 as Chief Financial Officer and has no reportable related party transactions or family relationships with directors or executives

The filing

CompanyFS Bancorp, Inc. (FSBW)
Form8-K, current report
Filed with the SECOct 23, 2026, 1:47 PM ET
Accession number0000939057-26-000277

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 8:38 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on October 23, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.