Adrian J. Corless, Chief Technology Officer at PLUG POWER INC (PLUG), bought 20,000 shares at $0.74 ($15K) on 2010-03-25, disclosed to the SEC on 2010-03-26.
Open-market purchase of $15k PLUG by Chief Technology Officer. 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.