List of insiders holdings for Energy Recovery, Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- 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>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Lorentzen Ole Peter 10% Owner | 2021-12-02 17:16:19 | 2,818,090 0 | 2,818,090 | Form 13D |
| 2 | Medanich James Director | 2010-05-06 20:30:00 | 2,297,600 0 | 2,297,600 | Form 13G |
| 3 | ROONEY THOMAS S JR President, CEO | 2014-04-28 16:20:31 | 1,967,135 0 | 1,967,135 | Form 4 |
| 4 | Sanchez-Blanco Borja SVP, Sales | 2014-03-14 16:33:15 | 712,759 0 | 712,759 | Form 4 |
| 5 | Pique Gonzalo G Director | 2011-05-20 12:35:28 | 130,000 399,100 | 529,100 | Form 4 |
| 6 | Hanstveit Arve Director | 2026-06-05 16:46:00 | 400,603 120,000 | 520,603 | Form 4 |
| 7 | Mao Robert Yu Lang Director | 2024-05-24 16:55:50 | 261,771 96,208 | 357,979 | Form 4 |
| 8 | Otero Juan Gen Counsel,CCO,Corp Secretary | 2016-03-10 19:21:28 | 276,236 0 | 276,236 | Form 4 |
| 9 | Krish Prem Chief Technology Officer | 2014-03-14 16:32:44 | 273,894 0 | 273,894 | Form 4 |
| 10 | Moon David W President and CEO | 2026-02-19 16:55:57 | 233,069 36,950 | 270,019 | Form 4 |
| 11 | Audrey Bold Chief Marketing Officer | 2014-03-14 16:33:02 | 268,338 0 | 268,338 | Form 4 |
| 12 | Siebert Eric VP, Oil and Gas | 2020-02-21 21:18:34 | 253,908 0 | 253,908 | Form 4 |
| 13 | Ghasripoor Farshad Chief Technology Officer | 2025-02-05 18:38:28 | 117,860 135,230 | 253,090 | Form 4 |
| 14 | Cook Paul M. Director | 2015-02-09 19:36:18 | 246,442 0 | 246,442 | Form 4 |
| 15 | Johannessen Fred Olav Director | 2015-02-09 19:36:34 | 246,442 0 | 246,442 | Form 4 |
| 16 | Pate-Cornell Marie-Elisabeth Lucienne Director | 2015-02-09 19:36:58 | 246,442 0 | 246,442 | Form 4 |
| 17 | Trempont Dominique Director | 2016-06-27 15:43:56 | 230,411 0 | 230,411 | Form 4 |
| 18 | Gannon Chris M Chief Executive Officer | 2019-02-05 19:30:52 | 173,481 0 | 173,481 | Form 4 |
| 19 | Barnes David Chief Sales Officer | 2015-03-11 19:46:02 | 136,501 0 | 136,501 | Form 4 |
| 20 | Sandlin Terrill VP of Manufacturing | 2011-01-04 15:41:06 | 124,000 0 | 124,000 | Form 4/A |
| 21 | Michelet Hans Peter Director | 2019-06-10 18:19:32 | 123,928 0 | 123,928 | Form 4 |
| 22 | Clemente Rodney SVP, Water | 2026-07-29 20:00:00 | 108,301 0 | 108,301 | Form 4 |
| 23 | Yeung William Chief Legal Officer | 2026-07-29 19:58:46 | 99,291 5,568 | 104,859 | Form 4 |
| 24 | Pfannenstiel Jackalyne Director | 2009-04-07 14:29:34 | 100,000 0 | 100,000 | Form 4 |
| 25 | TONDREAU PAMELA L. Director | 2026-06-05 16:51:31 | 60,844 37,362 | 98,206 | Form 4 |
| 26 | Gay Joel President and CEO | 2018-02-16 11:06:54 | 95,051 0 | 95,051 | Form 4 |
| 27 | Smith Emily SVP, Corp Dev and Ops | 2021-02-03 21:43:08 | 84,783 0 | 84,783 | Form 4 |
| 28 | Dyer Timothy Scott Chief Technology Officer | 2010-09-17 21:14:37 | 80,000 0 | 80,000 | Form 4 |
| 29 | Mancini Michael S. Chief Financial Officer | 2026-02-19 16:55:59 | 75,051 0 | 75,051 | Form 4 |
| 30 | Lobel Marilyn Chief Acct Officer,Controller | 2008-07-03 15:41:31 | 70,000 0 | 70,000 | Form 4 |
| 31 | BUEHLER ALEXANDER J Interim President and CEO | 2026-06-17 16:08:21 | 66,755 0 | 66,755 | Form 4 |
| 32 | Bensalah Nocair VP Operations | 2020-02-21 21:06:54 | 65,138 0 | 65,138 | Form 4 |
| 33 | Sabol Colin R Director | 2026-06-17 16:11:12 | 55,671 3,000 | 58,671 | Form 4 |
| 34 | Chow Joan Kai Director | 2026-06-05 16:50:46 | 52,116 1,500 | 53,616 | Form 4 |
| 35 | Ramanan Natarajan Chief Technology Officer | 2026-03-06 18:48:31 | 52,565 0 | 52,565 | Form 4 |
| 36 | Hostetler Matthew Chief Human Resources Officer | 2026-02-19 16:55:36 | 46,556 0 | 46,556 | Form 4 |
| 37 | Ballard Joshua Chief Financial Officer | 2024-05-30 16:42:43 | 40,376 0 | 40,376 | Form 4 |
| 38 | Stover Richard SVP Service/CTO | 2009-07-06 20:10:18 | 35,000 0 | 35,000 | Form 4 |
| 39 | Ryan Aidan Interim CFO | 2026-06-25 16:24:42 | 34,133 0 | 34,133 | Form 4 |
| 40 | STROUD ANDREW B JR VP, Human Resources | 2019-02-05 19:30:14 | 32,666 0 | 32,666 | Form 4 |
| 41 | Proctor Stacy Lea VP, Human Resources | 2020-02-04 16:01:25 | 31,850 0 | 31,850 | Form 4 |
| 42 | Bokas Deno G VP Finance and CAO | 2012-03-21 13:41:01 | 26,549 0 | 26,549 | Form 4 |
| 43 | SMITH LENOX SHARON E Corporate Controller and CAO | 2019-04-04 21:10:21 | 25,263 0 | 25,263 | Form 4 |
| 44 | Foda Sherif Director | 2023-06-12 16:42:18 | 23,464 0 | 23,464 | Form 4 |
| 45 | FJELL OLAV Director | 2021-06-10 20:15:41 | 22,812 0 | 22,812 | Form 4 |
| 46 | Mitchell John Joseph Director | 2026-07-22 17:58:00 | 16,797 0 | 16,797 | Form 4 |
| 47 | Ross MariaElena VP of Admin & Human Resources | 2009-04-28 14:37:54 | 16,187 0 | 16,187 | Form 4 |
| 48 | Wang Xiao Yin VP, OEM Group | 2009-07-06 20:10:21 | 14,000 0 | 14,000 | Form 4 |
| 49 | Bostick Carolyn F. VP and General Counsel | 2011-01-05 10:27:57 | 6,000 500 | 6,500 | Form 4 |
| 50 | POLLINA LISA A Director | 2023-06-13 18:49:06 | 4,007 0 | 4,007 | Form 4 |
| 51 | Willardson Thomas D CFO | 2011-01-04 15:41:14 | 4,000 0 | 4,000 | Form 4/A |
| 52 | Arvarius AS 10% Owner | 2021-10-29 16:58:45 | 0 0 | 0 | Form 13G |