CIK 0000357173 · Large accelerated filer
OLD SECOND BANCORP INC
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- OSBC
- Exchange
- Nasdaq
- Industry
- State Commercial Banks
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 363143493
- Phone
- 6308920202
- Business address
- 37 S RIVER ST, AURORA, IL, 60507
- Open-market buys, last 90 days
- $572
- in 1 filing
- Open-market sales, last 90 days
- $2,420,340
- in 5 filings
Net −$2,419,767. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-30 | COLLINS GARY S VICE CHAIRMAN | Other acquisition | +30 | 7,125 | ||
| 2026-09-23 | COLLINS GARY S VICE CHAIRMAN | Sale | −16,000 | $24.69 | $395K | 14,136 |
| 2026-09-04 | COLLINS GARY S VICE CHAIRMAN | Sale | −5,000 | $25.71 | $129K | 53,136.09 |
| 2026-06-30 | COLLINS GARY S VICE CHAIRMAN | Other acquisition | +37 | 7,095 | ||
| 2026-05-22 | COLLINS GARY S VICE CHAIRMAN | Sale | −5,120 | $21.12 | $108K | 58,136.09 |
| 2026-05-21 | COLLINS GARY S VICE CHAIRMAN | Sale | −10,000 | $21.12 | $211K | 63,256.09 |
| 2026-05-08 | COLLINS GARY S VICE CHAIRMAN | Sale | −10,000 | $21.24 | $212K | 30,136 |
| 2026-05-08 | COLLINS GARY S VICE CHAIRMAN | Sale | −5,000 | $21.23 | $106K | 73,256.09 |
| 2026-03-31 | COLLINS GARY S VICE CHAIRMAN | Other acquisition | +253 | 7,058 | ||
| 2026-03-20 | COLLINS GARY S VICE CHAIRMAN | Sale | −22,154 | $19.38 | $429K | 40,136 |
| 2026-03-02 | COLLINS GARY S VICE CHAIRMAN | Grant or award | +14,432 | 5,462 | ||
| 2026-03-02 | COLLINS GARY S VICE CHAIRMAN | Shares withheld for taxes | −4,228 | $19.91 | $84K | 15,666 |
| 2026-02-21 | COLLINS GARY S VICE CHAIRMAN | Shares withheld for taxes | −2,784 | $20.57 | $57K | 45,558 |
| 2026-02-17 | COLLINS GARY S VICE CHAIRMAN | Grant or award | +8,858 | 53,804 | ||
| 2025-12-31 | COLLINS GARY S VICE CHAIRMAN | Other acquisition | +40 | 6,805 | ||
| 2025-09-30 | COLLINS GARY S VICE CHAIRMAN | Other acquisition | +62 | 6,765 | ||
| 2025-06-30 | COLLINS GARY S VICE CHAIRMAN | Other acquisition | +113 | 6,703 | ||
| 2025-03-31 | COLLINS GARY S VICE CHAIRMAN | Other acquisition | +220 | 6,590 | ||
| 2025-03-04 | COLLINS GARY S VICE CHAIRMAN | Grant or award | +15,180 | 67,559 | ||
| 2025-03-04 | COLLINS GARY S VICE CHAIRMAN | Shares withheld for taxes | −4,447 | $17.65 | $78K | 63,112 |
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