PILMER DONALD

PrivateCIK: 1673321
Location

AURORA, IL

PILMER DONALD (EVP) reported 2 transactions at OLD SECOND BANCORP INC

Review the transaction codes below to understand the nature of each event.

InsiderPILMER DONALDCIK 1673321
IssuerOLD SECOND BANCORP INCCIK 357173
Officer· EVP
Since Jun 2018
+14.00
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
14.00 acquired
Non-Derivative Transactions2

Old Second Bancorp, Inc. Common Stock

Indirect
J · J

Shares

+13.00

Price / share

Trade value

% of position

0.3%
3/31/2026
4.01K4.02K

Old Second Bancorp, Inc. Common Stock

Indirect
J · J

Shares

+1.00

Price / share

Trade value

% of position

0.5%
3/31/2026
182.00183.00
Total

Net shares

+14.00

Net value

$0.00

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)3

Restricted Stock Units

Direct
Shares owned39.50K

Old Second Bancorp, Inc. Common Stock

Direct
Shares owned73.05K

Old Second Bancorp, Inc. Common Stock

Indirect
Shares owned1.45K
Total
112.55K direct·1.45K indirect114K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
PILMER DONALD — Insider Transaction (Form 4) Filed Apr 2, 2026 | Finecho