| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IBKR | Class A common stock | Sale | -$209,880 | -3,300 | -0.06% | $63.6 | 5,824,211 | 27 Sep 2021 | Direct | F1, F2 |
| transaction | IBKR | Class A common stock | Sale | -$502,710 | -7,800 | -0.13% | $64.45 | 5,816,411 | 27 Sep 2021 | Direct | F1, F3 |
| transaction | IBKR | Class A common stock | Sale | -$580,458 | -8,900 | -0.15% | $65.22 | 5,807,511 | 27 Sep 2021 | Direct | F1, F4 |
| transaction | IBKR | Class A common stock | Sale | -$1,310,200 | -20,000 | -0.34% | $65.51 | 5,787,511 | 28 Sep 2021 | Direct | F1, F5 |
| Id | Content |
|---|---|
| F1 | The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. |
| F2 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.02 to $64.01. The Reporting Person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (2) - (5) to this Form 4. |
| F3 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.02 to $65.01. |
| F4 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.02 to $65.39. |
| F5 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.26 to $65.84. |