Interactive Brokers Group, Inc. (IBKR) has 635 open-market insider trades by 18 insiders since 2007. Over the last six months insiders net sold $2.0M. The most active filer is Thomas Peterffy, Chairman.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Thomas Peterffy | Chairman | — | 245 | $630.0M | 2025-02-20 |
| Thomas Aj Frank | PresVP | — | 202 | $438.0M | 2026-05-08 |
| Paul Jonathan Brody | CFO | — | 117 | $131.8M | 2026-05-08 |
| Earl H. Nemser | Chairman | — | 36 | $115.6M | 2026-07-31 |
| Philip Uhde | Dir | — | 1 | $17.5M | 2023-12-31 |
| Lawrence E. Harris | Dir | — | 13 | $7.8M | 2026-04-28 |
| Crossover Management Vii Ltd. Technology | — | — | 2 | $6.6M | 2012-12-20 |
| TCV VII L.P. | — | — | 1 | $3.6M | 2009-07-30 |
| Jon Q. Reynolds Jr. | 10% | — | 1 | $1.5M | 2009-07-30 |
| Robert Trudeau | 10% | — | 1 | $1.5M | 2009-08-06 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Lori A. Conkling | Director | Buy | $2K | 2026-10-01 |
| Lori A. Conkling | Director | Buy | $2K | 2026-09-01 |
| Lori A. Conkling | Director | Buy | $2K | 2026-08-03 |
| Lori A. Conkling | Director | Buy | $2K | 2026-07-01 |
| Lori A. Conkling | Director | Buy | $2K | 2026-06-01 |
| Lori A. Conkling | Director | Buy | $2K | 2026-05-01 |
Companies that share insiders with IBKR, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Lawrence E. Harris | Director | Sell | $2.0M | 2026-04-28 |
| Lori A. Conkling | Director | Buy | $2K | 2026-04-01 |
| Lori A. Conkling | Director | Buy | $5K | 2026-02-25 |
| Earl H. Nemser | Chairman | Sell | $11.8M | 2026-01-26 |
| Earl H. Nemser | Chairman | Sell | $19.0M | 2026-01-22 |
| Lawrence E. Harris | Director | Sell | $735K | 2025-10-29 |
| Lawrence E. Harris | Director | Sell | $2.0M | 2025-10-27 |
| Lawrence E. Harris | Director | Sell | $2.0M | 2025-10-23 |
| Jill Bright | Director | Buy | $26K | 2025-10-23 |