Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2024-03-04 Sale | 2024-03-06 4:57 pm | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 35,779 | $15.74 | $563,245 | 326,285 (Indirect Direct) | View |
| 2024-02-29 Sale | 2024-03-04 7:35 pm | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 77,339 | $15.89 | $1,228,817 | 297,971 (Indirect Direct) | View |
| 2023-11-06 Sale | 2023-11-08 7:38 pm | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 251,383 | $17.89 | $4,496,122 | 469,681 (Indirect Direct) | View |
| 2022-08-09 Sale | 2022-08-11 5:59 pm | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG President and CEO | 2,000 | $22.46 | $44,927 | 126,680 (Indirect Direct) | View |
| 2020-12-11 Sale | 2020-12-15 6:20 pm | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG President and CEO | 9,500 | $12.22 | $116,079 | 217,611 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-03-04 Exercise | 2024-03-06 4:57 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 15,327 | $8.6 | 326,285 (Direct) | View |
| 2024-03-04 Exercise | 2024-03-06 4:57 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 16,726 | $7.71 | 326,285 (Direct) | View |
| 2024-03-04 Exercise | 2024-03-06 4:57 pm | N/A 2025-06-23 | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 89,744 | $0 | 326,285 (Direct) | View |
| 2024-03-04 Exercise | 2024-03-06 4:57 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 15,879 | $8.49 | 326,285 (Direct) | View |
| 2024-03-04 Exercise | 2024-03-06 4:57 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 21,303 | $9.98 | 326,285 (Direct) | View |
| 2024-03-04 Exercise | 2024-03-06 4:57 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 20,509 | $2.92 | 326,285 (Direct) | View |
| 2024-02-29 Exercise | 2024-03-04 7:35 pm | N/A 2025-02-06 | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 77,339 | $0 | 297,971 (Direct) | View |
| 2024-02-29 Exercise | 2024-03-04 7:35 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 44,456 | $3.53 | 297,971 (Direct) | View |
| 2024-03-01 Exercise | 2024-03-04 7:35 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 32,883 | $2.92 | 297,971 (Direct) | View |
| 2023-11-08 Exercise | 2023-11-13 5:01 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 6,306 | $13.96 | 376,068 (Direct) | View |
| 2023-11-08 Exercise | 2023-11-13 5:01 pm | N/A 2030-05-20 | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 71,508 | $0 | 376,068 (Direct) | View |
| 2023-11-08 Exercise | 2023-11-13 5:01 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 65,202 | $7.79 | 376,068 (Direct) | View |
| 2023-11-07 Exercise | 2023-11-08 7:38 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 121,383 | $13.96 | 469,681 (Direct) | View |
| 2023-11-06 Exercise | 2023-11-08 7:38 pm | N/A 2030-05-20 | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 289,891 | $0 | 469,681 (Direct) | View |
| 2023-11-06 Exercise | 2023-11-08 7:38 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang Director | 168,508 | $7.79 | 469,681 (Direct) | View |
| 2023-10-26 Option Award | 2023-10-30 5:54 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang President and CEO | 4,153 | $0 | 66,096 (Direct) | View |
| 2023-07-25 Option Award | 2023-07-27 4:01 pm | N/A N/A | Energy Recovery Inc. | ERII | Mao Robert Yu Lang President and CEO | 32,695 | $0 | 158,151 (Direct) | View |
| 2023-01-30 Option Award | 2023-02-01 6:32 pm | N/A N/A | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG President and CEO | 14,012 | $21.41 | 125,456 (Direct) | View |
| 2022-08-09 Exercise | 2022-08-11 5:59 pm | N/A 2023-09-03 | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG President and CEO | 17,236 | $5.43 | 126,680 (Direct) | View |
| 2022-01-28 Option Award | 2022-02-01 5:19 pm | N/A 2032-01-28 | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG President and CEO | 135,281 | $18.99 | 135,281 (Direct) | View |
| 2021-09-29 Gift(A) | 2021-10-04 8:40 pm | N/A N/A | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG President and CEO | 121,403 | $0 | 96,208 (Indirect) | View |
| 2021-09-29 Gift | 2021-10-04 4:20 pm | N/A N/A | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG President and CEO | 121,403 | $0 | 32,166 (Indirect) | View |
| 2021-02-01 Option Award | 2021-02-03 9:41 pm | N/A 2031-02-01 | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG President and CEO | 191,534 | $0 | 191,534 (Direct) | View |
| 2020-12-11 Exercise | 2020-12-15 6:20 pm | N/A N/A | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG President and CEO | 45,708 | $2.49 | 217,611 (Direct) | View |
| 2020-12-11 Exercise | 2020-12-15 6:20 pm | N/A 2022-08-15 | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG President and CEO | 45,708 | $0 | 217,611 (Direct) | View |
| 2020-05-20 Option Award | 2020-05-22 5:29 pm | N/A 2030-05-20 | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG President and CEO | 273,613 | $0 | 273,613 (Direct) | View |
| 2019-06-13 Option Award | 2019-07-10 4:00 pm | N/A 2029-06-13 | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG Director | 21,303 | $0 | 21,303 (Direct) | View |
| 2019-05-15 Exercise | 2019-05-16 5:51 pm | N/A N/A | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG Director | 39,042 | $2.61 | 181,403 (Direct) | View |
| 2019-05-15 Exercise | 2019-05-16 5:51 pm | N/A 2021-09-16 | Energy Recovery Inc. | ERII | MAO ROBERT YU LANG Director | 39,042 | $0 | 181,403 (Direct) | View |