Corey A. Chambas - 12 Nov 2025 Form 4 Insider Report for FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ)

Signature
Peter J. Wilder (Pursuant to Power of Attorney)
Issuer symbol
FBIZ
Transactions as of
12 Nov 2025
Net transactions value
$0
Form type
4
Filing time
14 Nov 2025, 16:15:15 UTC
Previous filing
15 Apr 2025
Next filing
18 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
CHAMBAS COREY A CEO, Director 401 CHARMANY DRIVE, MADISON Peter J. Wilder (Pursuant to Power of Attorney) 14 Nov 2025 0001311295

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FBIZ Common Stock Gift -200 -0.17% 118,316 12 Nov 2025 Direct F1
transaction FBIZ Common Stock Gift -200 -0.17% 118,116 12 Nov 2025 Direct F1
holding FBIZ Common Stock 16,992 12 Nov 2025 By 401(k) Plan
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Transaction is a gift, therefore price is not applicable.