John Ladowicz

OSBC

John Ladowicz serves as director at Old Second Bancorp, Inc. (OSBC). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

6 trades

$1.55M

Net Position

Net Seller

$1.55M

Companies Traded

OSBC

Active Period

Mar 2021 – Jan 2026

6 total trades

Most Recent

Sell OSBC

Jan 16, 2026 · $99.8K

John Ladowicz's Insider Trading at Old Second Bancorp, Inc. (OSBC)

Buys

0 · $0.00

Sells

6 · $1.55M

Total Shares Bought

Total Shares Sold

89,385

OSBC Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Jan 16, 2026	Sell	4,762	$20.95	$99.8K	146,757
Dec 9, 2025	Sell	12,500	$20.00	$250.0K	149,654
Nov 26, 2025	Sell	13,150	$19.01	$250.0K	162,154
Nov 12, 2024	Sell	13,888	$18.27	$253.7K	175,304
Jul 23, 2024	Sell	30,585	$16.22	$496.0K	189,192
Mar 9, 2021	Sell	14,500	$13.76	$199.5K	219,777