ESS Tech, Inc. (GWH)
OTC: GWH · Miscellaneous Electrical Machinery, Equipment & Supplies · Wilsonville, OR · filing with the SEC since 2020
Who runs ESS Tech, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Buckley Drew P
CEO. First filing Jan 2026, latest Jun 8, 2026, 1 filing in all.
Officers reporting now
4
of 11 people with a filing in the last fifteen months
Directors reporting now
7
28 people on the record since 2020
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Suhadolnik Kate Eileen | Chief Financial Officer | Aug 2025 | Aug 24, 2026 | 4 · $0.00 |
| Goodman Kelly F. | Officer title: Chief Strategy Officer and General Counsel | Feb 2025 | Aug 24, 2026 | 4 · $0.00 |
| Buckley Drew P | CEO | Jan 2026 | Jun 8, 2026 | none |
| Trivedi Jigish Dhirajlal | COO | Aug 2025 | Sep 5, 2025 | none |
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Garabedian Raffi | director | Oct 2021 | Jun 2, 2026 | none |
| Hossfeld Rich | director | Oct 2021 | Jun 2, 2026 | none |
| Nijhawan Sandeep | director | May 2023 | Jun 2, 2026 | none |
| Quarls Harry | director | Aug 2023 | Jun 2, 2026 | none |
| Wellman Alexi | director | Oct 2021 | Jun 2, 2026 | none |
| Niggli Michael R | director | Oct 2021 | Oct 15, 2025 | none |
| Teamey Kyle | director | Oct 2021 | Oct 15, 2025 | none |
Earlier names on the record21, newest filing first
Rabb Anthony · officer · last filing May 2025Dresselhuys Eric P. · officer · last filing Nov 2024Honeywell International Inc · 10% owner · last filing Sep 2023Evans Craig E · officer · last filing Mar 2023Moftakhar Amir · officer · last filing Oct 2022Song Julia · officer · last filing Oct 2022Gast Claudia · director · last filing Jun 2022Wilson Daryl C · director · last filing Jun 2022Bodner Jeff · officer · last filing Feb 2022Softbank Group Corp · director · last filing Nov 2021Breakthrough Energy Investments LLC · 10% owner · last filing Nov 2021Breakthrough Energy Ventures, LLC · 10% owner · last filing Nov 2021Speakman Shirley · director · last filing Oct 2021Kriger Adam M. · officer · last filing Oct 2021Roush John A · officer · last filing Oct 2021Ginns Jonathan J · director · last filing Oct 2021Goddard Janie · director · last filing Oct 2021Jinich Daniel · director · last filing Oct 2021Levy Sarah Kirshbaum · director · last filing Oct 2021Shadrick-Wilson Ryan D · director · last filing Oct 2021Acon S2 Sponsor, L.L.C. · 10% owner · last filing Oct 2021
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.