| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Campbell Darin Patrick | President, Powersports Lending, Director | 37 S. RIVER ST., AURORA | /s/ Shirley Cantrell, Attorney-in-Fact | 06 Nov 2025 | 0002074132 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSBC | Old second Bancorp Inc., Common Stock | Sale | -$557K | -31.2K | -100% | $17.89 | 0 | 31 Oct 2025 | IRA | |
| transaction | OSBC | Old second Bancorp Inc., Common Stock | Sale | -$482K | -26.4K | -45.87% | $18.27 | 31.2K | 30 Oct 2025 | IRA | |
| holding | OSBC | Old Second Bancorp, Inc. Common Stock | 310K | 30 Oct 2025 | Direct |