| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Pilmer Donald | EVP | 37 S. RIVER ST., AURORA | /s/ Shirley Cantrell, Attorney-in-Fact | 01 Oct 2025 | 0001673321 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSBC | Old Second Bancorp, Inc. Common Stock | Other | $0 | +1 | +0.55% | $0.000000 | 182 | 30 Sep 2025 | By Profit Sharing Plan | F1 |
| transaction | OSBC | Old Second Bancorp, Inc. Common Stock | Other | $0 | +14 | +0.35% | $0.000000 | 3,995 | 30 Sep 2025 | By 401-K Plan | F2 |
| holding | OSBC | Old Second Bancorp, Inc. Common Stock | 1,450 | 30 Sep 2025 | Spouse's IRA | F3 | |||||
| holding | OSBC | Old Second Bancorp, Inc. Common Stock | 63,135 | 30 Sep 2025 | Direct | F4 | |||||
| holding | OSBC | Restricted Stock Units | 38,718 | 30 Sep 2025 | Direct |
| Id | Content |
|---|---|
| F1 | Of this total, 1 share was allocated during the third quarter pursuant to the Old Second Bancorp, Inc. Profit Sharing Plan Plan. Information herein was provided by the plan trustee as of 09-30-25. |
| F2 | Of this total, 14 shares were allocated during the third quarter pursuant to the Old Second Bancorp, Inc. Employee Salary Savings Plan. Information herein was provided by the plan trustee as of 09-30-25. |
| F3 | These shares are held in spouse's IRA for which Mr. Pilmer is listed as a beneficiary. |
| F4 | Included in this total are 10 shares in Mr. Pilmer's name as custodian; 34,023 shares held in a brokerage account, 4,295 in his name alone and 26,381 shares of Restricted Stock Units. |