COLLINS GARY S

PrivateCIK: 1184766
Location

OAK PARK, IL

COLLINS GARY S (Vice Chairman) sold 35.6% of their position (22.15K shares) of OLD SECOND BANCORP INC on the open market

Open‑market sale worth $429.4K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderCOLLINS GARY SCIK 1184766
IssuerOLD SECOND BANCORP INCCIK 357173
DirectorOfficer· Vice Chairman
Since Jun 2018
-22.15K
Net shares
Net seller
$429.4K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
22.15K disposed
Non-Derivative Transactions1

Old Second Bancorp, Inc. Common Stock

Direct
S · Sale

Shares

22.15K

Price / share

$19.38

Trade value

$429.44K

% of position

35.6%
3/20/2026
62.29K40.14K
Total

Net shares

22.15K

Net value

-$429.44K

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

Restricted Stock Units

Direct
Shares owned37.31K

Old Second Bancorp, Inc. Common Stock

Indirect
Shares owned78.26K

Old Second Bancorp, Inc. Common Stock

Indirect
Shares owned6.80K
Total
37.31K direct·85.06K indirect122.37K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
COLLINS GARY S — Insider Transaction (Form 4) Filed Mar 23, 2026 | Finecho