Open Insider Trading Activity for Interactive Brokers Group, Inc. Vice Chairman Nemser Earl H
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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Charting by TradingView Lightweight Charts
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. IBKR | 2026-01-28 | 2026-01-27 | Interactive Brokers Group, Inc. | Nemser Earl H | Vice Chairman | Sell | 5 | 155,000 | $75.84 | $11,755,911.20 | 39.43% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. IBKR | 2026-01-26 | 2026-01-23 | Interactive Brokers Group, Inc. | Nemser Earl H | Vice Chairman | Sell | 3 | 245,000 | $77.43 | $18,969,681.85 | 26.77% | View Filing |