Interactive Brokers Group, Inc. insider trading
In the last twelve months insiders at Interactive Brokers Group, Inc. filed 32 open-market sales worth $46.4 million and 9 open-market purchases worth $44,363, on Form 4 with the SEC. The latest: Conkling Lori A, Director, bought 25 shares at $94.53 on 1 September 2026, filed 2 September 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 1 September 2026 | Conkling Lori A | Director | Purchase | 25 | $94.53 | $2,363 | Form 4 |
| 3 August 2026 | Conkling Lori A | Director | Purchase | 25 | $87.03 | $2,176 | Form 4 |
| 1 July 2026 | Conkling Lori A | Director | Purchase | 25 | $88.03 | $2,201 | Form 4 |
| 1 June 2026 | Conkling Lori A | Director | Purchase | 25 | $86.10 | $2,152 | Form 4 |
| 1 May 2026 | Conkling Lori A | Director | Purchase | 25 | $79.64 | $1,991 | Form 4 |
| 28 April 2026 | Harris Lawrence E | Director | Sale | 26,000 | $76.93 | $2.0 million | Form 4 |
| 1 April 2026 | Conkling Lori A | Director | Purchase | 25 | $68.38 | $1,710 | Form 4 |
| 2 March 2026 | Conkling Lori A | Director | Purchase | 25 | $69.21 | $1,730 | Form 4 |
| 25 February 2026 | Conkling Lori A | Director | Purchase | 50 | $73.21 | $3,660 | Form 4 |
| 27 January 2026 | Nemser Earl H | Vice Chairman | Sale | 39,731 | $75.07 | $3.0 million | Form 4 |
| 27 January 2026 | Nemser Earl H | Vice Chairman | Sale | 20,469 | $75.75 | $1.6 million | Form 4 |
| 26 January 2026 | Nemser Earl H | Vice Chairman | Sale | 60,882 | $75.83 | $4.6 million | Form 4 |
| 26 January 2026 | Nemser Earl H | Vice Chairman | Sale | 30,817 | $76.72 | $2.4 million | Form 4 |
| 26 January 2026 | Nemser Earl H | Vice Chairman | Sale | 3,101 | $77.98 | $241,816 | Form 4 |
| 23 January 2026 | Nemser Earl H | Vice Chairman | Sale | 84,935 | $77.65 | $6.6 million | Form 4 |
| 23 January 2026 | Nemser Earl H | Vice Chairman | Sale | 60,065 | $78.14 | $4.7 million | Form 4 |
| 22 January 2026 | Nemser Earl H | Vice Chairman | Sale | 100,000 | $76.81 | $7.7 million | Form 4 |
| 29 October 2025 | Harris Lawrence E | Director | Sale | 10,645 | $69.00 | $734,505 | Form 4 |
| 28 October 2025 | Harris Lawrence E | Director | Sale | 6,855 | $69.15 | $474,023 | Form 4 |
| 27 October 2025 | Harris Lawrence E | Director | Sale | 7,500 | $69.73 | $522,975 | Form 4 |
| 24 October 2025 | Harris Lawrence E | Director | Sale | 8,000 | $68.50 | $548,000 | Form 4 |
| 23 October 2025 | Bright Jill | Director | Purchase | 400 | $65.95 | $26,380 | Form 4 |
| 23 October 2025 | Harris Lawrence E | Director | Sale | 22,000 | $67.63 | $1.5 million | Form 4 |
| 30 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 1,979 | $69.30 | $137,145 | Form 4 |
| 30 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 1,155 | $70.00 | $80,850 | Form 4 |
| 29 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 7,414 | $67.16 | $497,924 | Form 4 |
| 29 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 8,792 | $68.27 | $600,230 | Form 4 |
| 29 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 2,021 | $68.70 | $138,843 | Form 4 |
| 26 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 15,477 | $65.74 | $1.0 million | Form 4 |
| 26 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 1,581 | $66.15 | $104,583 | Form 4 |
| 25 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 1,182 | $63.81 | $75,423 | Form 4 |
| 25 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 8,866 | $64.76 | $574,162 | Form 4 |
| 25 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 4,248 | $65.19 | $276,927 | Form 4 |
| 24 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 13,464 | $64.76 | $871,929 | Form 4 |
| 24 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 927 | $65.54 | $60,756 | Form 4 |
| 23 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 6,227 | $64.90 | $404,132 | Form 4 |
| 23 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 12,798 | $65.49 | $838,141 | Form 4 |
| 22 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 14,639 | $63.94 | $936,018 | Form 4 |
| 22 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 563 | $64.61 | $36,375 | Form 4 |
| 19 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 50,553 | $64.61 | $3.3 million | Form 4 |
| 19 September 2025 | Brody Paul Jonathan | Chief Financial Officer | Sale | 140 | $65.19 | $9,127 | Form 4 |
Open-market purchases (code P) and sales (code S) only. Option exercises, grants, tax withholding and gifts are not shown. A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Interactive Brokers Group, Inc.: the company's filing index.
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