COLLINS GARY S

PrivateCIK: 1184766
Location

OAK PARK, IL

COLLINS GARY S (Vice Chairman) sold 17.0% of their position (15K shares) of OLD SECOND BANCORP INC on the open market

Open‑market sale worth $318.5K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderCOLLINS GARY SCIK 1184766
IssuerOLD SECOND BANCORP INCCIK 357173
DirectorOfficer· Vice Chairman
Since Jun 2018
-15K
Net shares
Net seller
$318.5K
Total sold
2
Open market trades
0B · 2S
2
Total transactions
15K disposed
Non-Derivative Transactions2

Old Second Bancorp, Inc. Common Stock

Direct
S · Sale

Shares

10K

Price / share

$21.24

Trade value

$212.40K

% of position

24.9%
5/8/2026
40.14K30.14K

Old Second Bancorp, Inc. Common Stock

Indirect
S · Sale

Shares

5K

Price / share

$21.23

Trade value

$106.13K

% of position

6.4%
5/8/2026
78.26K73.26K
Total

Net shares

15K

Net value

-$318.52K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)2

Old Second Bancorp, Inc. Common Stock

Indirect
Shares owned7.06K

Restricted Stock Units

Direct
Shares owned37.31K
Total
37.31K direct·7.06K indirect44.37K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
COLLINS GARY S — Insider Transaction (Form 4) Filed May 11, 2026 | Finecho