| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ERII | Common Stock | Options Exercise | $1,012,700 | +130,000 | +197% | $7.79 | 196,096 | 06 Nov 2023 | Direct | |
| transaction | ERII | Common Stock | Sale | $2,308,800 | -130,000 | -66% | $17.76 | 66,096 | 06 Nov 2023 | Direct | F1 |
| transaction | ERII | Common Stock | Options Exercise | $267,509 | +34,340 | +52% | $7.79 | 100,436 | 07 Nov 2023 | Direct | |
| transaction | ERII | Common Stock | Options Exercise | $32,469 | +4,168 | +4.1% | $7.79 | 104,604 | 07 Nov 2023 | Direct | |
| transaction | ERII | Common Stock | Options Exercise | $1,694,507 | +121,383 | +116% | $13.96 | 225,987 | 07 Nov 2023 | Direct | |
| transaction | ERII | Common Stock | Sale | $2,187,322 | -121,383 | -54% | $18.02 | 104,604 | 07 Nov 2023 | Direct | F2 |
| holding | ERII | Common Stock | 96,208 | 06 Nov 2023 | The Robert and Iran Mao Rev Trust DTD 04-06-2006 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ERII | Employee Stock Option (Right to Buy) | Options Exercise | $0 | -130,000 | -58% | $0.000000 | 93,613 | 06 Nov 2023 | Common Stock | 130,000 | $7.79 | Direct | F3 |
| transaction | ERII | Employee Stock Option (Right to Buy) | Options Exercise | $0 | -34,340 | -37% | $0.000000 | 59,273 | 07 Nov 2023 | Common Stock | 34,340 | $7.79 | Direct | F3 |
| transaction | ERII | Employee Stock Option (Right to Buy) | Options Exercise | $0 | -4,168 | -8.3% | $0.000000 | 45,832 | 07 Nov 2023 | Common Stock | 4,168 | $7.79 | Direct | F4 |
| transaction | ERII | Employee Stock Option (Right to Buy) | Options Exercise | $0 | -121,383 | -63% | $0.000000 | 70,151 | 07 Nov 2023 | Common Stock | 121,383 | $13.96 | Direct | F5 |
| Id | Content |
|---|---|
| F1 | This figure is the weighted average sales price of multiple trades ranging from $17.54 to $17.93 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request. |
| F2 | This figure is the weighted average sales price of multiple trades ranging from $17.81 to $18.22 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request. |
| F3 | The stock option was granted on May 20, 2023. |
| F4 | The stock option was granted on May 20, 2023. |
| F5 | The stock option was granted on February 1, 2021. |
Exhibit 24