Thomas Peterffy
Chairman at Interactive Brokers Group Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Interactive Brokers Group Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Interactive Brokers Group Inc. April 23, 202688.1%
-
Interactive Brokers Group Inc. April 17, 202592.4%
-
Interactive Brokers Group Inc. April 18, 202490.2%
-
Interactive Brokers Group Inc. April 20, 202390.4%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 20, 2025 | Interactive Brokers Group Inc. | Gift | −6,447 | — | — |
| Feb 18, 2025 | Interactive Brokers Group Inc. | Gift | −85,427 | — | — |
| Feb 18, 2025 | Interactive Brokers Group Inc. | Gift | −4,870 | — | — |
| Oct 1, 2024 | Interactive Brokers Group Inc. | Gift | −79,975 | — | — |
| Apr 23, 2024 | Interactive Brokers Group Inc. | Other | +62,296 | $114.69 | $7,144,728 |
| Jan 27, 2023 | Interactive Brokers Group Inc. | Open-market sale | −7,300 | $77.35 | $564,655 |
| Jan 27, 2023 | Interactive Brokers Group Inc. | Open-market sale | −11,700 | $77.93 | $911,781 |
| Jan 27, 2023 | Interactive Brokers Group Inc. | Open-market sale | −1,000 | $78.67 | $78,670 |
| Jan 26, 2023 | Interactive Brokers Group Inc. | Open-market sale | −19,700 | $78.72 | $1,550,784 |
| Jan 26, 2023 | Interactive Brokers Group Inc. | Open-market sale | −300 | $79.79 | $23,937 |
| Jan 25, 2023 | Interactive Brokers Group Inc. | Open-market sale | −10,400 | $78.15 | $812,760 |
| Jan 25, 2023 | Interactive Brokers Group Inc. | Open-market sale | −9,600 | $78.69 | $755,424 |
| Jan 24, 2023 | Interactive Brokers Group Inc. | Open-market sale | −18,600 | $79.08 | $1,470,888 |
| Jan 24, 2023 | Interactive Brokers Group Inc. | Open-market sale | −1,400 | $80.12 | $112,168 |
| Jan 23, 2023 | Interactive Brokers Group Inc. | Open-market sale | −5,200 | $78.36 | $407,472 |
Questions about Thomas Peterffy
What boards is Thomas Peterffy on?
Thomas Peterffy sits on the board of Interactive Brokers Group Inc.
How long has Thomas Peterffy served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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