| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ADAMS BRADLEY S. | CFO & COO | 37 S. RIVER ST., AURORA | /s/ Shirley Cantrell, Attorney-in-Fact | 04 Mar 2026 | 0001598917 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSBC | Old Second Bancorp, Inc. Common Stock | Award | +15,657 | +10% | $0.000000* | 164,988 | 02 Mar 2026 | Direct | F1 | |
| transaction | OSBC | Old Second Bancorp, Inc. Common Stock | Tax liability | -4,587 | -2.8% | $19.91* | 160,401 | 02 Mar 2026 | Direct | F2, F3 | |
| holding | OSBC | Old Second Bancorp, Inc. Common Stock | 10,202 | 02 Mar 2026 | By 401-k Plan | ||||||
| holding | OSBC | Restricted Stock Units | 84,980 | 02 Mar 2026 | Direct |
| Id | Content |
|---|---|
| F1 | Shares delivered to the reporting person pursuant to vesting of performance-based restricted stock units granted under the Old Second Bancorp, Inc. 2019 Equity Incentive Plan, as Amended and Restated and vested upon achievement of performance goals for the applicable performance period. The reporting person reported an acquisition of 8,946 on Form 4 filed February 21, 2023, which represented the number of shares that would be delivered if target performance was achieved during the performance period. Actual performance exceeded the target performance for the performance period which resulted in an additional grant of 6,711 shares. |
| F2 | Represents shares withheld by the issuer to satisfy applicable tax withholding obligations in connection with the vesting of 15,657 previously reported performance-based restricted stock units, the remaining shares of which were issued and added to the reporting person's common stock holdings. |
| F3 | Included in this total are 75,300 shares held by the reporting person jointly with a spouse at a brokerage firm and 85,101 shares held jointly with spouse outright, |