Robert Yu Lang Mao, Director at Energy Recovery, Inc. (ERII), bought 20,000 shares at $7.53 ($151K) on 2017-03-14, disclosed to the SEC on 2017-03-14.
Open-market purchase of $151k ERII by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade B.
Something here stands out, but not much.
| Filing → |
| ERII | SELL | 2024-03-04 | $2.5M | — | Filing → |
| ERII | SELL | 2023-11-08 | $6.7M | — | Filing → |
| ERII | SELL | 2022-08-11 | $45K | — | Filing → |