Lawrence E. Harris serves as Executive at Interactive Brokers Group, Inc., where they oversee executive responsibilities. Since joining the company, Lawrence E. Harris has executed 31 insider transactions totaling $4.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Oct 29, 2025 involved selling 10,645 shares valued at $734.5K.
Lawrence E. Harris currently holds 198,704 shares of Interactive Brokers Group, Inc. (IBKR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Lawrence E. Harris has been a net seller of IBKR stock. They have purchased $1.0M and sold $3.8M worth of shares.
Lawrence E. Harris's most recent insider trade was on Oct 29, 2025, when they sold 10,645 shares at $69.00 per share.
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| $69.15 |
| Discretionary |
| Oct 27, 2025 | IBKR | $523.0K | Sale | 7,500 | $69.73 | Discretionary |
| Oct 24, 2025 | IBKR | $548.0K | Sale | 8,000 | $68.50 | Discretionary |
| Oct 23, 2025 | IBKR | $1.5M | Sale | 22,000 | $67.63 | Discretionary |
| Dec 31, 2023 | IBKR | $25.0K | Award | 302 | $82.90 | Discretionary |
| Dec 31, 2022 | IBKR | $25.0K | Award | 346 | $72.35 | Discretionary |
| Dec 31, 2021 | IBKR | $25.0K | Award | 315 | $79.42 | Discretionary |
| Aug 1, 2011 | IBKR | $74.9K | Purchase | 5,000 | $14.98 | Discretionary |
| Jul 26, 2011 | IBKR | $151.2K | Purchase | 10,000 | $15.12 | Discretionary |
| Jul 25, 2011 | IBKR | $228.0K | Purchase | 15,000 | $15.20 | Discretionary |
| May 1, 2009 | IBKR | $71.2K | Purchase | 5,000 | $14.23 | Discretionary |
| Feb 2, 2009 | IBKR | $14.6K | Purchase | 1,000 | $14.55 | Discretionary |
| Feb 2, 2009 | IBKR | $14.6K | Purchase | 1,000 | $14.62 | Discretionary |
| Feb 2, 2009 | IBKR | $14.6K | Purchase | 1,000 | $14.59 | Discretionary |
| Feb 2, 2009 | IBKR | $14.6K | Purchase | 1,000 | $14.61 | Discretionary |
| Feb 2, 2009 | IBKR | $14.6K | Purchase | 1,000 | $14.60 | Discretionary |
| Jan 31, 2009 | IBKR | $15.2K | Purchase | 1,000 | $15.17 | Discretionary |
| Jan 31, 2009 | IBKR | $30.3K | Purchase | 2,000 | $15.15 | Discretionary |
| Jan 31, 2009 | IBKR | $30.6K | Purchase | 2,000 | $15.28 | Discretionary |
| Dec 31, 2008 | IBKR | $15.0K | Award | 464 | $32.32 | Discretionary |
| Dec 27, 2008 | IBKR | $18.6K | Purchase | 1,000 | $18.65 | Discretionary |
| Oct 27, 2008 | IBKR | $18.7K | Purchase | 1,000 | $18.67 | Discretionary |
| Oct 27, 2008 | IBKR | $18.2K | Purchase | 1,000 | $18.20 | Discretionary |
| Oct 27, 2008 | IBKR | $18.4K | Purchase | 1,000 | $18.35 | Discretionary |
| Oct 27, 2008 | IBKR | $18.3K | Purchase | 1,000 | $18.25 | Discretionary |
| Aug 4, 2008 | IBKR | $135.5K | Purchase | 5,000 | $27.10 | Discretionary |
| Jul 30, 2007 | IBKR | $24.2K | Purchase | 1,000 | $24.20 | Discretionary |
| Jul 30, 2007 | IBKR | $48.0K | Purchase | 2,000 | $24.00 | Discretionary |
| Jul 30, 2007 | IBKR | $24.1K | Purchase | 1,000 | $24.15 | Discretionary |