Miguel Espinosa, Director at FUEL TECH, INC. (FTEK), bought 3,000 shares at $5.69 ($17K) on 2010-05-20, disclosed to the SEC on 2010-05-25.
Open-market purchase of $17k FTEK 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.