COSTA DONN C 4

What Happened
Donn C. Costa, Chief Home Lending Officer and Executive Vice President of FS Bancorp (FSBW), acquired 505 shares on February 6, 2026 at $42.28 per share for a total value of $21,351. The transaction is an acquisition (coded "J" on the Form 4), not a sale.

Key Details

• Transaction date and price: 2026-02-06 — 505 shares at $42.28 each (total ~$21,351).
• Shares owned after transaction: Not specified in the filing.
• Footnote: Purchase was made under the issuer’s Nonqualified 2022 Stock Purchase Plan and included a 25% company match.
• Filing: Form 4 filed 2026-02-10 reporting the Feb. 6 transaction; the filing shows no separate late-filing flag in the provided data.

Context
This was an employee plan purchase (with a company match), which is a common way insiders accumulate shares and is generally viewed as a more informative signal than routine sales. The transaction was not an option exercise, open-market trade, or a gift — it was an acquisition through the company stock purchase plan.