InsiderTrades

Form 4 for FBIZ FIRST BUSINESS FINANCIAL SERVICES, INC.

Accepted 2026-05-19 16:21:36 ET · period of report 2026-05-16 · accession 0000892712-26-000267 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-05-19 16:21 2026-05-16 FBIZ Olszewski Daniel P. Dir A - Grant $0.00 +710 27.4K +3% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-16 A A 710 $0.00 27,405 D — — (F1) 23,150 shares are held by the Kathryn J. Olszewski 2021 GST Trust.