Lawrence E. Harris, Director at Interactive Brokers Group, Inc. (IBKR), bought 5,000 shares at $24.25 ($121K) on 2007-07-30, disclosed to the SEC on 2007-07-31.
Open-market purchase of $121k IBKR by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $24.00 | 2,000 | $48K | 39.8% |
| 2 | $24.15 | 1,000 | $24K | 20.0% |
| 3 | $24.20 | 1,000 | $24K | 20.1% |
| 4 | $24.25 | 1,000 | $24K | 20.1% |
| Total | $24.12 avg | 5,000 | $121K | 100% |
| Filing → |
| IBKR | SELL | 2025-10-29 | $2.0M | — | Filing → |
| IBKR | SELL | 2025-10-27 | $2.0M | — | Filing → |
| IBKR | BUY | 2011-08-03 | $75K | — | Filing → |