Paul M. Cook, Director at Energy Recovery, Inc. (ERII), bought 20,300 shares at $8.50 ($173K) on 2008-07-02, disclosed to the SEC on 2008-08-25.
Open-market purchase of $173k ERII 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.