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 |
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 |
2023-11-07 Purchase |
2023-11-08 7:35 pm |
Energy Recovery Inc. | ERII | TONDREAU PAMELA L. Director |
8,350 | $17.91 | $149,540 | 23,119 (Direct) |
View |
2023-11-06 Purchase |
2023-11-08 5:37 pm |
Energy Recovery Inc. | ERII | Sabol Colin R Director |
1,000 | $17.75 | $17,750 | 4,232 (Direct) |
View |
2023-09-12 Sale |
2023-09-14 4:12 pm |
Energy Recovery Inc. | ERII | Ballard Joshua Chief Financial Officer |
700 | $24.03 | $16,823 | 46,152 (Indirect Direct) |
View |
2023-08-29 Sale |
2023-08-31 6:01 pm |
Energy Recovery Inc. | ERII | Ghasripoor Farshad Chief Technology Officer |
51,131 | $27.92 | $1,427,424 | 87,042 (Indirect Direct) |
View |
2023-08-28 Sale |
2023-08-29 4:43 pm |
Energy Recovery Inc. | ERII | Yeung William Chief Legal Officer |
40,614 | $27.75 | $1,127,201 | 52,708 (Direct) |
View |
2023-08-25 Sale |
2023-08-29 4:23 pm |
Energy Recovery Inc. | ERII | Clemente Rodney SVP, Water |
31,373 | $27.03 | $848,106 | 69,619 (Direct) |
View |
2023-06-20 Sale |
2023-06-23 4:54 pm |
Energy Recovery Inc. | ERII | Hanstveit Arve Director |
15,000 | $27.5 | $412,500 | 977,055 (Indirect Direct) |
View |
2023-06-09 Sale |
2023-06-13 6:49 pm |
Energy Recovery Inc. | ERII | POLLINA LISA A Director |
1,843 | $27.02 | $49,796 | 4,007 (Direct) |
View |
2023-06-01 Sale |
2023-06-05 6:21 pm |
Energy Recovery Inc. | ERII | Hanstveit Arve Director |
15,327 | $23.73 | $363,697 | 988,352 (Indirect Direct) |
View |
2023-04-03 Sale |
2023-04-05 5:46 pm |
Energy Recovery Inc. | ERII | Hanstveit Arve Director |
16,000 | $23.5 | $376,000 | 988,352 (Indirect Direct) |
View |
2023-03-09 Sale |
2023-03-13 7:29 pm |
Energy Recovery Inc. | ERII | Yeung William Chief Legal Officer |
882 | $23.99 | $21,163 | 82,216 (Indirect Direct) |
View |
2023-03-09 Sale |
2023-03-13 7:29 pm |
Energy Recovery Inc. | ERII | Clemente Rodney SVP, Water |
768 | $23.99 | $18,428 | 32,781 (Direct) |
View |
2023-03-09 Sale |
2023-03-13 7:29 pm |
Energy Recovery Inc. | ERII | Ballard Joshua Chief Financial Officer |
883 | $23.99 | $21,187 | 25,321 (Indirect Direct) |
View |
2023-03-02 Sale |
2023-03-06 4:14 pm |
Energy Recovery Inc. | ERII | Clemente Rodney SVP, Water |
22,095 | $22.35 | $493,753 | 33,549 (Direct) |
View |
2023-02-03 Sale |
2023-02-07 6:32 pm |
Energy Recovery Inc. | ERII | Ballard Joshua Chief Financial Officer |
3,208 | $22.47 | $72,084 | 26,204 (Indirect Direct) |
View |
2023-02-03 Sale |
2023-02-07 6:31 pm |
Energy Recovery Inc. | ERII | Yeung William Chief Legal Officer |
836 | $22.75 | $19,022 | 83,098 (Indirect Direct) |
View |
2023-02-03 Sale |
2023-02-07 6:31 pm |
Energy Recovery Inc. | ERII | Ghasripoor Farshad Chief Technology Officer |
987 | $22.75 | $22,458 | 68,103 (Indirect Direct) |
View |
2023-02-03 Sale |
2023-02-07 6:31 pm |
Energy Recovery Inc. | ERII | Clemente Rodney SVP, Water |
925 | $22.75 | $21,047 | 55,644 (Direct) |
View |
2023-02-01 Sale |
2023-02-03 4:20 pm |
Energy Recovery Inc. | ERII | Clemente Rodney SVP, Water |
3,831 | $22.41 | $85,851 | 56,569 (Direct) |
View |
2023-02-01 Sale |
2023-02-03 4:20 pm |
Energy Recovery Inc. | ERII | Yeung William Chief Legal Officer |
3,707 | $22.41 | $83,059 | 83,934 (Indirect 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 |
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 5:58 pm |
N/A N/A |
Energy Recovery Inc. | ERII | TONDREAU PAMELA L. Director |
1,447 | $0 | 14,769 (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 |
2023-10-24 Option Award |
2023-10-26 9:02 pm |
N/A N/A |
Energy Recovery Inc. | ERII | Moon David W Director |
15,233 | $0 | 18,465 (Direct) |
View |
2023-10-24 Option Award |
2023-10-25 5:35 pm |
N/A N/A |
Energy Recovery Inc. | ERII | Clemente Rodney SVP, Water |
21,762 | $0 | 77,663 (Direct) |
View |
2023-10-24 Option Award |
2023-10-25 5:35 pm |
N/A N/A |
Energy Recovery Inc. | ERII | Ghasripoor Farshad Chief Technology Officer |
21,762 | $0 | 108,804 (Direct) |
View |
2023-08-29 Exercise |
2023-08-31 6:01 pm |
N/A 2028-02-01 |
Energy Recovery Inc. | ERII | Ghasripoor Farshad Chief Technology Officer |
15,331 | $7.5 | 87,042 (Direct) |
View |
2023-08-29 Exercise |
2023-08-31 6:01 pm |
N/A 2029-01-31 |
Energy Recovery Inc. | ERII | Ghasripoor Farshad Chief Technology Officer |
35,800 | $7.6 | 87,042 (Direct) |
View |
2023-08-25 Exercise |
2023-08-29 4:23 pm |
N/A 2028-02-01 |
Energy Recovery Inc. | ERII | Clemente Rodney SVP, Water |
9,278 | $7.5 | 69,619 (Direct) |
View |
2023-08-25 Exercise |
2023-08-29 4:23 pm |
N/A 2029-01-31 |
Energy Recovery Inc. | ERII | Clemente Rodney SVP, Water |
15,663 | $7.6 | 69,619 (Direct) |
View |
2023-08-25 Exercise |
2023-08-29 4:23 pm |
N/A 2030-01-31 |
Energy Recovery Inc. | ERII | Clemente Rodney SVP, Water |
6,432 | $10.21 | 69,619 (Direct) |
View |
2023-07-25 Option Award |
2023-07-27 4:04 pm |
N/A N/A |
Energy Recovery Inc. | ERII | Yeung William Chief Legal Officer |
16,674 | $0 | 98,890 (Direct) |
View |
2023-07-25 Option Award |
2023-07-27 4:03 pm |
N/A N/A |
Energy Recovery Inc. | ERII | Ballard Joshua Chief Financial Officer |
21,531 | $0 | 46,852 (Direct) |
View |
2023-07-25 Option Award |
2023-07-27 4:03 pm |
N/A N/A |
Energy Recovery Inc. | ERII | Ghasripoor Farshad Chief Technology Officer |
18,939 | $0 | 87,042 (Direct) |
View |
2023-07-25 Option Award |
2023-07-27 4:02 pm |
N/A N/A |
Energy Recovery Inc. | ERII | Clemente Rodney SVP, Water |
23,120 | $0 | 55,901 (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 |
2023-07-10 Option Award |
2023-07-12 4:37 pm |
N/A N/A |
Energy Recovery Inc. | ERII | Moon David W Director |
3,232 | $28.22 | 3,232 (Direct) |
View |
2023-07-10 Option Award |
2023-07-12 4:31 pm |
N/A N/A |
Energy Recovery Inc. | ERII | Sabol Colin R Director |
3,232 | $28.22 | 3,232 (Direct) |
View |
2023-06-08 Option Award |
2023-06-12 4:40 pm |
N/A N/A |
Energy Recovery Inc. | ERII | TONDREAU PAMELA L. Director |
3,703 | $27 | 13,322 (Direct) |
View |
2023-06-08 Option Award |
2023-06-12 4:38 pm |
N/A N/A |
Energy Recovery Inc. | ERII | Hanstveit Arve Director |
3,703 | $27 | 992,055 (Direct) |
View |
2023-06-08 Option Award |
2023-06-12 4:36 pm |
N/A N/A |
Energy Recovery Inc. | ERII | Chow Joan Kai Director |
3,703 | $27 | 10,857 (Direct) |
View |
2023-06-08 Option Award |
2023-06-12 4:32 pm |
N/A N/A |
Energy Recovery Inc. | ERII | BUEHLER ALEXANDER J Director |
3,703 | $27 | 23,322 (Direct) |
View |
2023-06-01 Exercise |
2023-06-05 6:21 pm |
N/A 2026-06-23 |
Energy Recovery Inc. | ERII | Hanstveit Arve Director |
15,327 | $8.6 | 988,352 (Direct) |
View |