| 2023-06-12 | Sale | Energy Recovery, Inc. ERII | director | 800 0.0014% | $27.04 | $21,635 | -32.91% | |
| 2023-06-09 | Sale | Energy Recovery, Inc. ERII | director | 1,043 0.0019% | $27.00 | $28,161 | -32.89% | |
| 2022-08-08 | Sale | Energy Recovery, Inc. ERII | 2,700 0.0049% | $23.08 | $62,316 | +1.32% |