Energy Recovery, Inc. (ERII)
Nasdaq: ERII · Special Industry Machinery, NEC · San Leandro, CA · filing with the SEC since 2008
Grade6.0
◀ Past 6.9● Present 6.2▶ Future 4.6
Who runs Energy Recovery, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Buehler Alexander J
Interim President and CEO. First filing Jun 2011, latest Jun 17, 2026, 7 filings in all.
Officers reporting now
8
of 13 people with a filing in the last fifteen months
Directors reporting now
5
31 people on the record since 2008
Officerssales are open-market, Oct 23, 2025 to Oct 23, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Yeung William | Chief Legal Officer | Jun 2016 | Jul 29, 2026 | 8 · $400,000 |
| Clemente Rodney | SVP, Water | Mar 2016 | Jul 29, 2026 | 3 · $300,000 |
| Ryan Aidan | Interim CFO | May 2026 | Jun 25, 2026 | none |
| Buehler Alexander J | Interim President and CEO | Jun 2011 | Jun 17, 2026 | 1 · $100,000 |
| Ramanan Natarajan | Chief Technology Officer | Mar 2025 | Mar 6, 2026 | 1 · $0.00 |
| Moon David W | President and CEO | Jul 2023 | Feb 19, 2026 | none |
| Mancini Michael S. | Chief Financial Officer | Aug 2024 | Feb 19, 2026 | none |
| Hostetler Matthew | Chief Human Resources Officer | Feb 2025 | Feb 19, 2026 | none |
Directorssales are open-market, Oct 23, 2025 to Oct 23, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Mitchell John Joseph | director | Jul 2026 | Oct 23, 2026 | none |
| Sabol Colin R | director | Jul 2023 | Jun 17, 2026 | none |
| Chow Joan Kai | director | Dec 2021 | Jun 5, 2026 | none |
| Hanstveit Arve | director | Jul 2008 | Jun 5, 2026 | 7 · $3.0M |
| Tondreau Pamela L. | director | Aug 2019 | Jun 5, 2026 | none |
Earlier names on the record19, newest filing first
Ghasripoor Farshad · officer · last filing Feb 2025Ballard Joshua · officer · last filing May 2024Mao Robert Yu Lang · officer · last filing May 2024Pollina Lisa A · director · last filing Jun 2023Foda Sherif · director · last filing Jun 2023Arvarius As · 10% owner · last filing Oct 2021Lorentzen Ole Peter · director · last filing Sep 2021Fjell Olav · director · last filing Jun 2021Smith Emily · officer · last filing Feb 2021Bensalah Nocair · officer · last filing Feb 2020Siebert Eric · officer · last filing Feb 2020Proctor Stacy Lea · officer · last filing Feb 2020Michelet Hans Peter · officer · last filing Jun 2019Smith Lenox Sharon E · officer · last filing Apr 2019Gannon Chris M · officer · last filing Feb 2019Stroud Andrew B Jr · officer · last filing Feb 2019Gay Joel · officer · last filing Feb 2018Trempont Dominique · director · last filing Jun 2016Otero Juan · officer · last filing Mar 2016
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.