Insider · CIK 0001673321
Donald Pilmer
Files at OSBC (OLD SECOND BANCORP INC). First filing May 11, 2026, latest May 11, 2026.
In brief
Donald Pilmer files SEC Form 4 as officer at OSBC (OLD SECOND BANCORP INC). Since May 11, 2026, Donald Pilmer has reported 0 open-market buys worth $0 and 1 open-market sell worth $519k, the latest filed on May 11, 2026.
A track record needs three past buys with six months of prices behind them; Donald Pilmer has 0, so none is measured yet.
The newest scored trade: sold $519k of OSBC on May 11, 2026, filed May 11, 2026, scored 51 (moderate). In the last 12 months: 0 buys worth $0 and 1 sell worth $519k.
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
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.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 51Moderate | OLD SECOND BANCORP INC | $519k 25,000 shares | -34% | +30% from low-4% from high |
Transactions
Every row this insider has filed, 18 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | OSBC OLD SECOND BANCORP INC | JOther Old Second Bancorp, Inc. Common Stockindirect: By 401-K Plan | +11 | $0.00 | $0 | 4,048 | 13 d ago |
| Jun 30, 2026 | OSBC OLD SECOND BANCORP INC | JOther Old Second Bancorp, Inc. Common Stockindirect: By Profit Sharing Plan | +1 | $0.00 | $0 | 184 | Jul 2, 2026 |
| Jun 30, 2026 | OSBC OLD SECOND BANCORP INC | JOther Old Second Bancorp, Inc. Common Stockindirect: By 401-K Plan | +14 | $0.00 | $0 | 4,037 | Jul 2, 2026 |
| May 11, 2026 | OSBC OLD SECOND BANCORP INC | SOpen-market sale Old Second Bancorp, Inc. Common Stock | -25,000 | $20.75 | $519k | 48,054 | May 11, 2026 |
| Mar 31, 2026 | OSBC OLD SECOND BANCORP INC | JOther Old Second Bancorp, Inc. Common Stockindirect: By 401-K Plan | +13 | $0.00 | $0 | 4,023 | Apr 2, 2026 |
| Mar 31, 2026 | OSBC OLD SECOND BANCORP INC | JOther Old Second Bancorp, Inc. Common Stockindirect: By Profit Sharing Plan | +1 | $0.00 | $0 | 183 | Apr 2, 2026 |
| Mar 2, 2026 | OSBC OLD SECOND BANCORP INC | AGrant or award Old Second Bancorp, Inc. Common Stock | +9,201 | $0.00 | $0 | 66,573 | Mar 4, 2026 |
| Mar 2, 2026 | OSBC OLD SECOND BANCORP INC | FTax withholding Old Second Bancorp, Inc. Common Stock | -2,720 | $19.91 | $54k | 73,054 | Mar 4, 2026 |
| Feb 17, 2026 | OSBC OLD SECOND BANCORP INC | AGrant or award Restricted Stock Units | +11,292 | $0.00 | $0 | 50,010 | Feb 24, 2026 |
| Feb 21, 2026 | OSBC OLD SECOND BANCORP INC | FTax withholding Restricted Stock Units | -1,818 | $20.57 | $37k | 44,754 | Feb 24, 2026 |
| Dec 31, 2025 | OSBC OLD SECOND BANCORP INC | JOther Old Second Bancorp, Inc. Common Stockindirect: By 401-K Plan | +15 | $0.00 | $0 | 4,010 | Jan 5, 2026 |
| Sep 30, 2025 | OSBC OLD SECOND BANCORP INC | JOther Old Second Bancorp, Inc. Common Stockindirect: By Profit Sharing Plan | +1 | $0.00 | $0 | 182 | Oct 1, 2025 |
| Sep 30, 2025 | OSBC OLD SECOND BANCORP INC | JOther Old Second Bancorp, Inc. Common Stockindirect: By 401-K Plan | +14 | $0.00 | $0 | 3,995 | Oct 1, 2025 |
| Jun 30, 2025 | OSBC OLD SECOND BANCORP INC | JOther Old Second Bancorp, Inc. Common Stockindirect: By Profit Sharing Plan | +1 | $0.00 | $0 | 181 | Jul 7, 2025 |
| Jun 30, 2025 | OSBC OLD SECOND BANCORP INC | JOther Old Second Bancorp, Inc. Common Stockindirect: By 401-K Plan | +15 | $0.00 | $0 | 3,981 | Jul 7, 2025 |
| Mar 31, 2025 | OSBC OLD SECOND BANCORP INC | JOther Old Second Bancorp, Inc. Common Stockindirect: By 401-K Plan | +12 | $0.00 | $0 | 3,966 | Apr 1, 2025 |
| Feb 20, 2024 | OSBC OLD SECOND BANCORP INC | AGrant or award Restricted Stock Units | +16,064 | $0.00 | $0 | 34,836 | Feb 22, 2024 |
| Dec 31, 2023 | OSBC OLD SECOND BANCORP INC | AGrant or award Old Second Bancorp, Inc. Common Stockindirect: By 401-K Plan | +14 | $0.00 | $0 | 3,900 | Jan 2, 2024 |
Questions about Donald Pilmer
Answered from the filings on this page, as of the latest one.
Is Donald Pilmer buying or selling?
In the last 12 months Donald Pilmer reported 0 open-market buys worth $0 and 1 open-market sell worth $519k on SEC Form 4; the latest was sold $519k of OSBC on May 11, 2026. Grants, option exercises and tax withholding are not counted.
How did Donald Pilmer's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Donald Pilmer has 0.
Where does Donald Pilmer file Form 4?
Donald Pilmer has filed Form 4 at OSBC (OLD SECOND BANCORP INC) as EVP. 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.