| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2024-02-14 | BROWN CAPITAL MANAGEMENT LLC | Energy Recovery, Inc. | 4,356,963 | 7.7% | EDGAR |
| SC 13G | 2024-02-13 | VANGUARD GROUP INC | Energy Recovery, Inc. | 2,955,709 | 5.2% | EDGAR |
| SC 13G/A | 2024-02-09 | Trigran Investments, Inc. | Energy Recovery, Inc. | 1,333,585 | - | EDGAR |
| SC 13G | 2024-02-09 | FMR LLC | Energy Recovery, Inc. | 4,122,663 | 7.3% | EDGAR |
| SC 13G/A | 2024-01-25 | BlackRock Inc. | Energy Recovery, Inc. | 4,950,433 | 8.8% | EDGAR |
| SC 13G | 2023-02-10 | Trigran Investments, Inc. | Energy Recovery, Inc. | 3,469,877 | - | EDGAR |
| SC 13G | 2023-01-25 | BlackRock Inc. | Energy Recovery, Inc. | 5,001,067 | 8.9% | EDGAR |
| SC 13G/A | 2022-02-10 | Trigran Investments, Inc. | Energy Recovery, Inc. | 2,753,514 | - | EDGAR |
| SC 13G/A | 2022-02-03 | BlackRock Inc. | Energy Recovery, Inc. | 3,399,361 | 6.0% | EDGAR |
| SC 13G | 2021-12-09 | Skaugen Marius | Energy Recovery, Inc. | 1,605,964 | 2.8% | EDGAR |
| SC 13D/A | 2021-12-02 | Lorentzen Ole Peter | Energy Recovery, Inc. | 2,818,090 | 5.0% | EDGAR |
| SC 13G/A | 2021-10-29 | Arvarius AS | Energy Recovery, Inc. | - | 0.0% | EDGAR |
| SC 13D/A | 2021-09-24 | Lorentzen Ole Peter | Energy Recovery, Inc. | 5,155,239 | 9.0% | EDGAR |
| SC 13G/A | 2021-05-17 | Sundt AS | Energy Recovery, Inc. | 2,677,291 | 4.7% | EDGAR |
| SC 13G/A | 2021-02-11 | Trigran Investments, Inc. | Energy Recovery, Inc. | 5,540,420 | - | EDGAR |
| SC 13G | 2021-02-02 | BlackRock Inc. | Energy Recovery, Inc. | 3,266,530 | 5.8% | EDGAR |
| SC 13G/A | 2020-08-04 | Trigran Investments, Inc. | Energy Recovery, Inc. | 5,658,329 | - | EDGAR |
| SC 13G/A | 2020-06-09 | BlackRock Inc. | Energy Recovery, Inc. | 2,776,922 | 5.0% | EDGAR |
| SC 13D/A | 2020-05-19 | Lorentzen Ole Peter | Energy Recovery, Inc. | 6,840,334 | 12.3% | EDGAR |
| SC 13G/A | 2020-02-12 | Trigran Investments, Inc. | Energy Recovery, Inc. | 4,990,344 | - | EDGAR |