| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Frank Thomas AJ | Executive Vice President | ONE PICKWICK PLAZA, GREENWICH | /s/ Raymond Bussiere as authorized signatory for Thomas AJ Frank | 03 Jun 2025 | 0001391401 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IBKR | Class A common stock | Tax liability | -$1.52M | -8.21K | -10.87% | $185.60 | 67.3K | 09 May 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | The price represents the closing price of the issuer's Class A common stock as of May 9, 2025, the vesting date. |
| F2 | This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the amended 2007 Stock Incentive Plan ("Plan") and (b) unvested restricted stock units that were awarded under the Plan. |