Philip D. DeFeo, Director at Interactive Brokers Group, Inc. (IBKR), bought 5,000 shares at $24.88 ($124K) on 2007-07-31, disclosed to the SEC on 2007-08-02.
Open-market purchase of $124k 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.