OSBC Old Second Bancorp Inc.

NASDAQ
$24.92

Old Second Bancorp Inc. (OSBC) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with OSBC's own trailing one-year pace, with 24% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 4 sellers in the last 90 days
Insiders buying
1
1 transaction
Insiders selling
7
21 transactions
Purchases
$502
24 shares
Sales
$7.9M
356,342 shares
Net activity
-$7.9M
purchases less sales

How much of that selling was preplanned? 24% planned / 76% discretionary

10b5-1 plan sales $1.9M 2 transactions · 75,000 shares
Discretionary sales $6.0M 19 transactions · 281,342 shares

Largest single sale: $1.4M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: May 11, 2026 , by Lyons Billy J Jr. .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
MCLEAN HUGH H Director Sell 25,000 $25.63 $640.8K 135,351 −15.6% of holding
COLLINS GARY S VICE CHAIRMAN Sell 5,000 $25.70 $128.5K 53,136 −8.6% of holding
MCLEAN HUGH H Director Sell 25,000 $25.73 $643.2K 135,351 −15.6% of holding
Campbell Darin Patrick President, Powersports Lending Sell 24,000 $25.53 $612.8K 250,589 −8.7% of holding
Eccher James CHAIRMAN AND CEO Sell 10b5-1 19,313 $25.61 $494.7K 303,399 −6% of holding
Eccher James CHAIRMAN AND CEO Sell 10b5-1 55,687 $25.46 $1.4M 322,712 −14.7% of holding
COLLINS GARY S VICE CHAIRMAN Sell 5,120 $21.12 $108.1K 58,136 −8.1% of holding
COLLINS GARY S VICE CHAIRMAN Sell 10,000 $21.12 $211.2K 63,256 −13.7% of holding
Pilmer Donald EVP Sell 25,000 $20.75 $518.8K 48,054 −34.2% of holding
Lyons Billy J Jr. Director Buy 24 $20.90 $502 20,097
COLLINS GARY S 2 fills VICE CHAIRMAN Sell 15,000 $21.23 $318.5K 73,256 −17% of holding
COLLINS GARY S VICE CHAIRMAN Sell 22,154 $19.38 $429.4K 40,136 −35.6% of holding
Campbell Darin Patrick President, Powersports Lending Sell 35,000 $20.94 $732.9K 274,589 −11.3% of holding
Campbell Darin Patrick President, Powersports Lending Sell 91 $20.70 $1.9K 309,589 −0% of holding
Gartelmann Richard A JR EVP Sell 2,000 $20.98 $42.0K 24,874 −7.4% of holding
Ladowicz John 2 fills Director Sell 4,762 $20.95 $99.8K 146,757 −3.1% of holding
Ladowicz John Director Sell 12,500 $20.00 $250.0K 149,654 −7.7% of holding
Ladowicz John Director Sell 13,150 $19.01 $250.0K 162,154 −7.5% of holding
Campbell Darin Patrick President, Powersports Lending Sell 31,159 $17.89 $557.3K None left
Campbell Darin Patrick President, Powersports Lending Sell 26,406 $18.27 $482.3K 31,159 −45.9% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.