InsiderTrades

Form 4 for FBIZ FIRST BUSINESS FINANCIAL SERVICES, INC.

Accepted 2026-04-14 16:25:00 ET · period of report 2026-04-10 · accession 0000892712-26-000216 · 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
2026-04-14 16:25 2026-04-10 FBIZ Seiler David R. Pres, COO A - Grant $0.00 +4,780 39.3K +14% $0
2026-04-14 16:25 2026-04-10 FBIZ Seiler David R. Pres, COO F - Tax $58.60 -1,912 37.4K -5% -$112.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-04-10 A A 4,780 $0.00 39,284 D — — (F1) Issuance of Common Stock upon vesting of Performance Restricted Stock Unit awards for the performance period 2023-2025.
2 Common Common Stock 2026-04-10 F D 1,912 $58.60 37,372 D — — (F2) 27,031 shares are held by the David & Lisa Seiler Revocable Trust.