| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Clemente Rodney | SVP, Water | C/O ENERGY RECOVERY, INC., 1717 DOOLITTLE DRIVE, SAN LEANDRO | /s/ William Yeung, Attorney-in-Fact for Rodney Clemente | 29 Jul 2025 | 0001668422 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ERII | Common Stock | Tax liability | $32,202 | -2,320 | -2.1% | $13.88 | 106,152 | 25 Jul 2025 | Direct | F1 |
| transaction | ERII | Common Stock | Sale | $75,256 | -5,387 | -5.1% | $13.97 | 100,765 | 28 Jul 2025 | Direct | F2 |
Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.
Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
| Id | Content |
|---|---|
| F1 | Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
| F2 | These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2024. |
Exhibit 24