Ladowicz John
SEC Form 4 insider trading activity
Ladowicz John has filed 3 SEC Form 4 filings (5 transaction rows) across 1 company, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: Jan 16, 2026.
On the most recent filing, Ladowicz John is listed as Director at OLD SECOND BANCORP INC. Inside the rolling window, Ladowicz John reported no open-market purchases and 3 open-market sales totaling $600K in OSBC. The largest disclosed transaction in the window is a sale of 12,500 OSBC shares on Dec 9, 2025, worth $250K.
Companies traded
Other insiders at OSBC
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$600K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Ladowicz John made?
Ladowicz John has filed 3 SEC Form 4 filings (5 transaction rows) across 1 company since 2025.
Which companies does Ladowicz John trade?
Ladowicz John has filed SEC Form 4 disclosures for 1 company, including OSBC.
When was Ladowicz John's most recent SEC Form 4 filing?
Ladowicz John's most recent SEC Form 4 filing on Tracefour is dated Jan 16, 2026.
What is Ladowicz John's total buy and sell value in the current window?
Inside the rolling retention window, Ladowicz John bought $0 and sold $600K based on SEC Form 4 filings.
What was Ladowicz John's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 12,500 OSBC shares on 2025-12-09, worth $250K, per SEC Form 4 filings.