Lawrence E. Harris, Director at Interactive Brokers Group, Inc. (IBKR), bought 5,000 shares at $15.28 ($76K) on 2009-01-31, disclosed to the SEC on 2009-02-02.
Open-market purchase of $76k IBKR by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $15.15 | 2,000 | $30K | 39.9% |
| 2 | $15.17 | 1,000 | $15K | 20.0% |
| 3 | $15.28 | 2,000 | $31K | 40.2% |
| Total | $15.21 avg | 5,000 | $76K | 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 → |