COSTA DONN C 4

What Happened
Donn C. Costa, Chief of Home Lending and Executive Vice President at FS Bancorp (FSBW), acquired 330 shares of company stock on May 6, 2026, at $41.37 per share for a total of $13,652. The purchase was reported on a Form 4 filed May 8, 2026, and is coded as an "other acquisition" (J).

Key Details

• Transaction date and price: May 6, 2026 — 330 shares at $41.37 each.
• Total value: $13,652 (approx.).
• Shares owned after the transaction: Not disclosed in the Form 4.
• Footnote: Shares were purchased under the issuer's Nonqualified 2022 Stock Purchase Plan and include a 25% employer match.
• Filing timeliness: Form 4 filed May 8, 2026 (two days after the trade), consistent with standard Section 16 reporting timing.

Context
This was an employee plan purchase (with a 25% match), not an open-market buy or a sale. Such purchases often reflect routine participation in company benefit plans; the reported amount is modest and should be viewed as an internal compensation/benefit transaction rather than a large directional bet by the insider.