John Lash, Chief Operating Officer at PERMA FIX ENVIRONMENTAL SERVICES INC (PESI), bought 1,000 shares at $4.46 ($4K) on 2014-12-10, disclosed to the SEC on 2014-12-11.
Open-market purchase of $4k PESI by Chief Operating Officer. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.