CHAMBAS COREY A

PrivateCIK: 1311295
Location

MADISON, WI

CHAMBAS COREY A (President and CEO) received a stock award from FIRST BUSINESS FINANCIAL SERVICES, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award
InsiderCHAMBAS COREY ACIK 1311295
DirectorOfficer· President and CEO
Since Aug 2018
+5.50K
Net shares
Net buyer
$285.7K
Total sold
0
Open market trades
0B · 0S
2
Total transactions
10.37K acquired · 4.88K disposed
Non-Derivative Transactions2

Common Stock

Direct
A · Award

Shares

+10.37K

Price / share

Trade value

% of position

8.9%
4/10/2026
116.58K126.95K

Common Stock

Direct
F · Tax Withholding

Shares

4.88K

Price / share

$58.60

Trade value

$285.68K

% of position

3.8%
4/10/2026
126.95K122.08K
Total

Net shares

+5.50K

Net value

-$285.68K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned16.99K
Total
16.99K indirect16.99K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
CHAMBAS COREY A — Insider Transaction (Form 4) Filed Apr 14, 2026 | Finecho