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Insider · CIK 0001424453

John Ladowicz

director

Files at OSBC (OLD SECOND BANCORP INC). First filing Nov 12, 2024, latest Jan 16, 2026.

John Ladowicz files SEC Form 4 as director at OSBC (OLD SECOND BANCORP INC). Since Nov 12, 2024, John Ladowicz has reported 0 open-market buys worth $0 and 4 open-market sells worth $853k, the latest filed on Jan 16, 2026.

A track record needs three past buys with six months of prices behind them; John Ladowicz has 0, so none is measured yet.

The newest scored trade: sold $100k of OSBC on Jan 15, 2026, filed Jan 16, 2026, scored 25 (weak). In the last 12 months: 0 buys worth $0 and 3 sells worth $600k.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 4
$0 bought, $853k sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

OSBC: OLD SECOND BANCORP INC

OSBCOct 9, 2026 · close 24.61

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
25Weak
OSBCsell
OLD SECOND BANCORP INC
$100k
4,762 shares
-3%+47% from low0% from high
28Weak
OSBCsell
OLD SECOND BANCORP INC
$250k
12,500 shares
-8%+39% from low0% from high
38Weak
OSBCsell
OLD SECOND BANCORP INC
$250k
13,150 shares
-8%+33% from low-1% from high
28Weak
OSBCsell
OLD SECOND BANCORP INC
$254k
13,888 shares
-7%-

Transactions

Every row this insider has filed, 6 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jan 15, 2026OSBC
OLD SECOND BANCORP INC
SOpen-market sale
Old Second Bancorp, Inc. Common Stockindirect: IRA
-2,897$20.94$61k146,757Jan 16, 2026
Jan 15, 2026OSBC
OLD SECOND BANCORP INC
SOpen-market sale
Old Second Bancorp, Inc. Common Stockindirect: IRA
-1,865$20.96$39k144,892Jan 16, 2026
Dec 9, 2025OSBC
OLD SECOND BANCORP INC
SOpen-market sale
Old Second Bancorp, Inc. Common Stockindirect: IRA
-12,500$20.00$250k149,654Dec 9, 2025
Nov 26, 2025OSBC
OLD SECOND BANCORP INC
SOpen-market sale
Old Second Bancorp, Inc. Common Stockindirect: IRA
-13,150$19.01$250k162,154Nov 26, 2025
Sep 14, 2025OSBC
OLD SECOND BANCORP INC
JOther
Restricted Stock Units
-10,551$0.00$00Nov 26, 2025
Nov 6, 2024OSBC
OLD SECOND BANCORP INC
SOpen-market sale
Old Second Bancorp, Inc. Common Stockindirect: IRA
-13,888$18.27$254k175,304Nov 12, 2024

Questions about John Ladowicz

Answered from the filings on this page, as of the latest one.

Is John Ladowicz buying or selling?

In the last 12 months John Ladowicz reported 0 open-market buys worth $0 and 3 open-market sells worth $600k on SEC Form 4; the latest was sold $100k of OSBC on Jan 15, 2026. Grants, option exercises and tax withholding are not counted.

How did John Ladowicz's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and John Ladowicz has 0.

Where does John Ladowicz file Form 4?

John Ladowicz has filed Form 4 at OSBC (OLD SECOND BANCORP INC). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.