| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lyons Billy J Jr. | Director | 37 SOUTH RIVER STREET, AURORA | /s/ Shirley Cantrell, Attorney-in-Fact | 05 Aug 2025 | 0001829064 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSBC | Old Second Bancorp, Inc. Common Stock | Purchase | $415 | +25 | +0.15% | $16.61 | 16,946 | 04 Aug 2025 | Direct | F1 |
| holding | OSBC | Restricted Stock Units | 10,551 | 04 Aug 2025 | Direct |
| Id | Content |
|---|---|
| F1 | Included in this total are 8,353 shares held outright in Mr. Lyon's name and 8,593 shares held in Mr. Lyon's name in a brokerage account. |