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Interactive Brokers Group Inc (IBKR) Insider Trading

Total insider buys:
  • $205,375.93
Total insider sells:
  • $820,791,885.19
Most recent insider trade:
  • Sept. 24, 2025
Most active insider trader:
  • Thomas Peterffy
Trader NameDateTitleAmountPriceTypeTotal Value
Oct. 16, 2017Vice Chairman1,675$47.56Sell$79,663.00
Oct. 12, 2017Insider32,772$47.75Sell$1,564,863.00
Oct. 12, 2017Vice Chairman1,608$47.78Sell$76,830.24
Oct. 12, 2017CFO11,241$47.73Sell$536,532.93
Oct. 11, 2017Vice Chairman767$47.68Sell$36,570.56
Oct. 11, 2017Insider16,109$47.65Sell$767,593.85
Oct. 11, 2017CFO5,759$47.64Sell$274,358.76
Oct. 10, 2017Vice Chairman1,658$47.42Sell$78,622.36
Oct. 10, 2017CFO10,339$47.45Sell$490,585.55
Oct. 10, 2017Insider32,977$47.43Sell$1,564,099.11
Oct. 9, 2017CFO5,412$47.64Sell$257,827.68
Oct. 9, 2017Insider16,127$47.63Sell$768,129.01
Oct. 9, 2017Vice Chairman816$47.63Sell$38,866.08
Oct. 6, 2017CFO11,519$47.53Sell$547,498.07
Oct. 6, 2017Vice Chairman1,649$47.52Sell$78,360.48
Oct. 6, 2017Insider33,266$47.53Sell$1,581,132.98
Oct. 4, 2017Vice Chairman1,623$47.12Sell$76,475.76
Oct. 4, 2017Insider33,105$47.10Sell$1,559,245.50
Oct. 4, 2017CFO10,617$47.11Sell$500,166.87
Oct. 2, 2017CFO11,310$45.20Sell$511,212.00
Oct. 2, 2017Vice Chairman1,683$45.26Sell$76,172.58
Oct. 2, 2017Insider32,951$45.23Sell$1,490,373.73
Sept. 28, 2017CFO11,172$44.52Sell$497,377.44
Sept. 28, 2017Vice Chairman1,632$44.52Sell$72,656.64
Sept. 28, 2017Insider32,909$44.52Sell$1,465,108.68
Sept. 27, 2017Vice Chairman790$44.28Sell$34,981.20
Sept. 27, 2017Insider16,340$44.25Sell$723,045.00
Sept. 27, 2017CFO5,759$44.27Sell$254,950.93
Sept. 26, 2017Insider31,453$43.91Sell$1,381,101.23
Sept. 26, 2017CFO10,825$43.92Sell$475,434.00
Sept. 26, 2017Vice Chairman1,590$43.91Sell$69,816.90
Sept. 25, 2017Vice Chairman799$44.10Sell$35,235.90
Sept. 25, 2017CFO5,482$44.09Sell$241,701.38
Sept. 25, 2017Insider15,488$44.09Sell$682,865.92
Sept. 22, 2017CFO11,519$43.59Sell$502,113.21
Sept. 22, 2017Vice Chairman1,623$43.59Sell$70,746.57
Sept. 22, 2017Insider32,730$43.58Sell$1,426,373.40
Sept. 20, 2017Insider32,543$43.46Sell$1,414,318.78
Sept. 20, 2017CFO10,686$43.41Sell$463,879.26
Sept. 20, 2017Vice Chairman1,624$43.42Sell$70,514.08
Sept. 18, 2017Vice Chairman1,683$42.29Sell$71,174.07
Sept. 18, 2017CFO10,894$42.34Sell$461,251.96
Sept. 18, 2017Insider25,268$42.43Sell$1,072,121.24
Sept. 14, 2017CFO11,310$41.95Sell$474,454.50
Sept. 14, 2017Vice Chairman1,666$41.94Sell$69,872.04
Sept. 14, 2017Insider16,666$41.94Sell$698,972.04
Sept. 12, 2017Vice Chairman1,683$41.90Sell$70,517.70
Sept. 12, 2017CFO11,380$41.89Sell$476,708.20
Sept. 12, 2017Insider16,836$41.90Sell$705,428.40
Sept. 8, 2017Insider16,240$41.39Sell$672,173.60
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  • Insiders are both buying and selling Interactive Brokers Group Inc stock.

  • The insider traders at Interactive Brokers Group Inc are: Thomas Peterffy, Thomas Aj Frank, Milan Galik, Paul Jonathan Brody, Earl H Nemser, Earl Nemser, Earl H. Nemser, Peterffy Thomas, Denis Mendonca, Philip Uhde, and Jill Bright

  • The most active insider trader at Interactive Brokers Group Inc is Thomas Peterffy with 230 trades.

  • Thomas Peterffy has sold the most Interactive Brokers Group Inc stock with a total value of $315,086,338.16.

  • Milan Galik has bought the most Interactive Brokers Group Inc stock with a total value of $200,808.08.

  • The most recent insider trade for Interactive Brokers Group Inc was on Sept. 24, 2025.

  • The single biggest insider buy for Interactive Brokers Group Inc was from Milan Galik with a total value of $125,637.12 on Sept. 17, 2018.

  • The single biggest insider sell for Interactive Brokers Group Inc was from Earl H Nemser with a total value of $13,098,864.14 on Aug. 12, 2025.