R. Keith Grimes, Director at HOUSTON AMERICAN ENERGY CORP (HUSA), bought 30,000 shares at $0.20 ($6K) on 2016-09-02, disclosed to the SEC on 2016-09-02.
Open-market purchase of $6k HUSA 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.