Arnold Blumenthal, Director at NAPCO SECURITY SYSTEMS INC (NSSC), bought 1,500 shares at $1.33 ($2K) on 2009-05-12, disclosed to the SEC on 2009-05-12.
Open-market purchase of $2k NSSC 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.