George Gregory Grimes, Director at RESEARCH FRONTIERS INC (REFR), bought 5,000 shares at $4.98 ($25K) on 2011-04-25, disclosed to the SEC on 2011-04-25.
Open-market purchase of $25k REFR 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.