| 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 | 18 Feb 2026 | 0002074132 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSBC | Old Second Bancorp, Inc. Common Stock | Sale | $1,884 | -91 | -0.03% | $20.70 | 309,589 | 13 Feb 2026 | Direct | |
| holding | OSBC | Old second Bancorp Inc., Common Stock | 31,159 | 13 Feb 2026 | IRA |