ESS Tech, Inc. (GWH) has 38 open-market insider trades by 12 insiders since 2022. Over the last six months insiders net bought $14K. The most active filer is Harry Quarls, Director.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Eric P. Dresselhuys | CEO | — | 5 | $1.6M | 2024-11-18 |
| Amir Moftakhar | CFO | — | 3 | $648K | 2022-10-19 |
| Harry Quarls | Dir | — | 6 | $577K | 2026-05-29 |
| Craig E. Evans | Pres | — | 3 | $448K | 2023-03-13 |
| Michael R. Niggli | Dir | — | 5 | $188K | 2025-10-13 |
| Julia Song | PresCTO | — | 1 | $169K | 2022-10-17 |
| Sandeep Nijhawan | Dir | — | 1 | $40K | 2026-05-29 |
| Drew P. Buckley | CEO | — | 1 | $26K | 2026-06-04 |
| Kelly F. Goodman | — | — | 3 | $11K | 2026-08-21 |
| Kyle Teamey | Dir | — | 5 | $10K | 2025-10-13 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Kelly F. Goodman | — | Sell | $2K | 2026-08-21 |
| Kate Eileen Suhadolnik | CFO | Sell | $2K | 2026-08-21 |
| Drew P. Buckley | CEO | Buy | $26K | 2026-06-04 |
| Kelly F. Goodman | — | Sell | $5K | 2026-05-21 |
| Kate Eileen Suhadolnik | CFO | Sell | $3K | 2026-05-21 |
| Kelly F. Goodman | SEE REMARKS | Sell | $3K | 2026-02-20 |
Companies that share insiders with GWH, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Kate Eileen Suhadolnik | CFO | Sell | $1K | 2026-02-20 |
| Eric P. Dresselhuys | CEO | Buy | $5K | 2024-11-18 |
| Sandeep Nijhawan | Director | Sell | $40K | 2024-09-11 |
| Kyle Teamey | Director | Buy | $956 | 2024-08-30 |
| Kyle Teamey | Director | Buy | $988 | 2024-05-14 |
| Harry Quarls | Director | Buy | $45K | 2024-05-10 |
| Harry Quarls | Director | Buy | $36K | 2024-05-09 |
| Rich Hossfeld | Director | Buy | $2K | 2024-03-15 |
| Harry Quarls | Director | Buy | $7K | 2023-11-16 |