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| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For IBKR | |||||
| 2026-01-27 | Nemser, Earl H | Director, Vice Chairman | Sold | 20469 | $75.75 |
| 2026-01-27 | Nemser, Earl H | Director, Vice Chairman | Sold | 39731 | $75.07 |
| 2026-01-26 | Nemser, Earl H | Director, Vice Chairman | Sold | 60882 | $75.83 |
| 2026-01-26 | Nemser, Earl H | Director, Vice Chairman | Sold | 3101 | $77.98 |
| 2026-01-26 | Nemser, Earl H | Director, Vice Chairman | Sold | 30817 | $76.72 |
| 2026-01-23 | Nemser, Earl H | Director, Vice Chairman | Sold | 60065 | $78.14 |
| 2026-01-23 | Nemser, Earl H | Director, Vice Chairman | Sold | 84935 | $77.65 |
| 2026-01-22 | Nemser, Earl H | Director, Vice Chairman | Sold | 100000 | $76.81 |
| 2026-01-01 | Brody, Paul Jonathan | Director, Chief Financial Officer | Purchased | 389 | $64.31 |
| 2026-01-01 | Nemser, Earl H | Director, Vice Chairman | Purchased | 389 | $64.31 |
| 2026-01-01 | Peterffy, William | Director | Purchased | 389 | $64.31 |
| 2026-01-01 | Conkling, Lori A | Director | Purchased | 389 | $64.31 |
| 2026-01-01 | Bright, Jill | Director | Purchased | 389 | $64.31 |
| 2026-01-01 | Yuen, Nicole | Director | Purchased | 389 | $64.31 |
| 2026-01-01 | Repetto, Richard H | Director | Purchased | 389 | $64.31 |
| 2026-01-01 | Galik, Milan | Director, Chief Executive Officer | Purchased | 389 | $64.31 |
| 2026-01-01 | Harris, Lawrence E | Director | Purchased | 389 | $64.31 |
| 2025-12-31 | Conkling, Lori A | Director | Purchased | 1167 | $0.00 |
| 2025-12-31 | Nemser, Earl H | Director, Vice Chairman | Purchased | 389 | $64.31 |
| 2025-12-31 | Brody, Paul Jonathan | Director, Chief Financial Officer | Purchased | 53452 | $0.00 |
