Patrick T. Kelly, Director at ACTIVE POWER INC (ACPW), bought 20,000 shares at $1.84 ($37K) on 2014-12-15, disclosed to the SEC on 2014-12-16.
Open-market purchase of $37k ACPW 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.