| Date Filed | Type | Description |
| 08/25/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 08/02/2023 |
10-Q
| Quarterly Report for the period ended June 30, 2023 |
| 08/02/2023 |
8-K
| Quarterly results |
| 06/12/2023 |
8-K
| Submission of Matters to a Vote of Security Holders Interactive Data |
| 06/12/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 06/01/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 05/23/2023 |
SD
| Form SD - Specialized disclosure report: |
| 05/05/2023 |
ARS
| Form ARS - Annual Report to Security Holders: |
| 05/03/2023 |
10-Q
| Quarterly Report for the period ended March 31, 2023 |
| 05/03/2023 |
8-K
| Quarterly results |
| 04/24/2023 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 04/24/2023 |
8-K
| Quarterly results |
| 02/22/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 02/22/2023 |
8-K
| Quarterly results |
| 02/10/2023 |
SC 13G
| Trigran Investments, Inc. reports a 6.2% stake in ENERGY RECOVERY, INC. |
| 01/25/2023 |
SC 13G
| BlackRock Inc. reports a 8.9% stake in ENERGY RECOVERY INC |
| 11/02/2022 |
10-Q
| Quarterly Report for the period ended September 30, 2022 |
| 11/02/2022 |
8-K
| Quarterly results |
| 09/12/2022 |
S-3ASR
| Form S-3ASR - Automatic shelf registration statement of securities of well-known seasoned issuers: |
| 08/03/2022 |
10-Q
| Quarterly Report for the period ended June 30, 2022 |
| 08/03/2022 |
8-K
| Quarterly results |
| 06/10/2022 |
8-K
| Quarterly results |
| 06/03/2022 |
DEFR14A
| Form DEFR14A - Revised definitive proxy soliciting materials: |
| 05/27/2022 |
SD
| Form SD - Specialized disclosure report: |
| 05/04/2022 |
10-Q
| Quarterly Report for the period ended March 31, 2022 |
| 05/04/2022 |
8-K
| Quarterly results |
| 04/25/2022 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 03/09/2022 |
8-K
| Quarterly results |
| 02/24/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 02/24/2022 |
8-K
| Quarterly results |
| 02/10/2022 |
SC 13G/A
| Trigran Investments, Inc. reports a 4.9% stake in ENERGY RECOVERY, INC. |
| 02/02/2022 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 12/20/2021 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
| 12/09/2021 |
SC 13G
| Skaugen Marius reports a 2.8% stake in Energy Recovery, Inc. |
|