OTC · CIK 0001819438
GWHT ESS Tech, Inc.
Insider trading from SEC Form 4. Last filing Aug 24, 2026. Close $0.09 on Oct 12, 2026, 0% from the 52-week low and -99% from the high.
In brief
ESS Tech, Inc. (GWHT) has 52 SEC Form 4 filings on file from 13 insiders, the latest filed on Aug 24, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 2 open-market sells worth $3,751, net -$3,751.
17 open-market trades have been scored at GWHT. The newest: Kelly F. Goodman (SEE REMARKS) sold $2,172 of stock on Aug 21, 2026, filed Aug 24, 2026, scored 23 (weak). The largest of the 17 shown: Harry Quarls (director) bought $102k on Nov 14, 2023, scored 44 (moderate). 2 insiders sold within 14 days of each other around Aug 21, 2026.
5 Form 144 notices of planned sales are on file, the latest filed Sep 25, 2025.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at ESS Tech, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 23Weak | Kelly F. Goodman SEE REMARKS sell | $2,172 5,400 shares | -3% | +3% from low-54% from high | |
| 30Weak | Kate Eileen Suhadolnik Chief Financial Officer sell | $1,579 3,927 shares | -2% | +3% from low-54% from high | |
| 38Weak | Drew P Buckley CEO buy | $26k 25,000 shares | - | - | |
| 23Weak | Kelly F. Goodman SEE REMARKS sell | $4,850 5,233 shares | -2% | - | |
| 30Weak | Kate Eileen Suhadolnik Chief Financial Officer sell | $3,389 3,657 shares | -2% | - | |
| 23Weak | Kelly F. Goodman SEE REMARKS sell | $3,494 2,269 shares | -1% | - | |
| 30Weak | Kate Eileen Suhadolnik Chief Financial Officer sell | $1,141 741 shares | -0% | - | |
| 20Weak | Eric P. Dresselhuys Chief Executive Officer buy | $5,227 1,000 shares | +1% | - | |
| 18Weak | Kyle Teamey director buy | $987 1,250 shares | +1% | - | |
| 37Weak | Harry Quarls director buy | $45k 57,310 shares | +16% | - | |
| 32Weak | Harry Quarls director buy | $36k 42,690 shares | +13% | - | |
| 15Weak | Rich Hossfeld director buy | $1,814 2,500 shares | +2% | - | |
| 28Weak | Harry Quarls director buy | $6,866 5,489 shares | +2% | - | |
| 43Moderate | Harry Quarls director buy | $90k 67,118 shares | +27% | - | |
| 44Moderate | Harry Quarls director buy | $102k 80,579 shares | +47% | - | |
| 18Weak | Kyle Teamey director buy | $1,106 1,000 shares | +1% | - | |
| 36Weak | Harry Quarls director buy | $52k 46,814 shares | +38% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Sep 25, 2025 | ANTHONY A RABB Officer | 3,878 0.03% of outstanding | $6,668 | Sep 25, 2025 | $33k |
| Sep 17, 2025 | ANTHONY A RABB Officer | 3,000 0.02% of outstanding | $4,830 | Sep 17, 2025 | $28k |
| Sep 10, 2025 | ANTHONY A RABB Officer | 4,774 0.03% of outstanding | $6,791 | Sep 10, 2025 | $22k |
| Sep 4, 2025 | ANTHONY A RABB Officer | 5,001 0.04% of outstanding | $6,375 | Sep 4, 2025 | $15k |
| Aug 29, 2025 | ANTHONY A RABB Officer | 5,062 0.04% of outstanding | $7,539 | Aug 29, 2025 | $7,673 |
Transactions
The newest 50 of 67 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 21, 2026 | Kate Eileen Suhadolnik Chief Financial Officer | SOpen-market sale Common Stock | -3,927 | $0.40 | $1,579 | 156,830 | Aug 24, 2026 |
| Aug 21, 2026 | Kelly F. Goodman SEE REMARKS | SOpen-market sale Common Stock | -5,400 | $0.40 | $2,172 | 205,220 | Aug 24, 2026 |
| Jun 4, 2026 | Drew P Buckley CEO | POpen-market purchase Common Stock | +25,000 | $1.03 | $26k | 25,000 | Jun 8, 2026 |
| May 29, 2026 | Rich Hossfeld director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 41,372 | Jun 2, 2026 |
| May 29, 2026 | Sandeep Nijhawan director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 42,563 | Jun 2, 2026 |
| May 29, 2026 | Raffi Garabedian director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 53,185 | Jun 2, 2026 |
| May 29, 2026 | Alexi Wellman director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 52,399 | Jun 2, 2026 |
| May 29, 2026 | Harry Quarls director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 68,769 | Jun 2, 2026 |
| May 21, 2026 | Kelly F. Goodman SEE REMARKS | SOpen-market sale Common Stock | -2,482 | $0.92 | $2,279 | 213,371 | May 26, 2026 |
| May 21, 2026 | Kate Eileen Suhadolnik Chief Financial Officer | SOpen-market sale Common Stock | -1,735 | $0.92 | $1,593 | 162,679 | May 26, 2026 |
| May 22, 2026 | Kate Eileen Suhadolnik Chief Financial Officer | SOpen-market sale Common Stock | -1,922 | $0.93 | $1,796 | 160,757 | May 26, 2026 |
| May 22, 2026 | Kelly F. Goodman SEE REMARKS | SOpen-market sale Common Stock | -2,751 | $0.93 | $2,571 | 210,620 | May 26, 2026 |
| Feb 13, 2026 | Kate Eileen Suhadolnik Chief Financial Officer | AGrant or award Common Stock | +137,500 | $0.00 | $0 | 165,155 | Feb 26, 2026 |
| Feb 20, 2026 | Kelly F. Goodman SEE REMARKS | SOpen-market sale Common Stock | -2,269 | $1.54 | $3,494 | 215,853 | Feb 26, 2026 |
| Feb 20, 2026 | Kate Eileen Suhadolnik Chief Financial Officer | SOpen-market sale Common Stock | -741 | $1.54 | $1,141 | 164,414 | Feb 26, 2026 |
| Feb 13, 2026 | Kelly F. Goodman SEE REMARKS | AGrant or award Common Stock | +137,500 | $0.00 | $0 | 218,122 | Feb 26, 2026 |
| Feb 13, 2026 | Kelly F. Goodman SEE REMARKS | AGrant or award Stock Option (right to buy)derivative | +137,500 | $0.00 | $0 | 137,500 | Feb 26, 2026 |
| Feb 13, 2026 | Kate Eileen Suhadolnik Chief Financial Officer | AGrant or award Stock Option (right to buy)derivative | +137,500 | $0.00 | $0 | 137,500 | Feb 26, 2026 |
| Jan 28, 2026 | Drew P Buckley CEO | AGrant or award Stock Option (right to buy)derivative | +550,000 | $0.00 | $0 | 550,000 | Jan 29, 2026 |
| Nov 20, 2025 | Kelly F. Goodman Interim CEO | FTax withholding Common Stock | -4,513 | $2.40 | $11k | 80,622 | Nov 21, 2025 |
| Nov 20, 2025 | Kate Eileen Suhadolnik Interim CFO | FTax withholding Common Stock | -1,299 | $2.40 | $3,118 | 27,655 | Nov 21, 2025 |
| Oct 13, 2025 | Harry Quarls director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 13,513 | Oct 15, 2025 |
| Oct 13, 2025 | Alexi Wellman director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 38,886 | Oct 15, 2025 |
| Oct 13, 2025 | Michael R Niggli director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 90,825 | Oct 15, 2025 |
| Oct 13, 2025 | Kyle Teamey director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 38,740 | Oct 15, 2025 |
| Oct 13, 2025 | Sandeep Nijhawan director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 29,050 | Oct 15, 2025 |
| Oct 13, 2025 | Raffi Garabedian director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 39,672 | Oct 15, 2025 |
| Oct 13, 2025 | Rich Hossfeld director | AGrant or award Common Stock | +13,513 | $0.00 | $0 | 27,859 | Oct 15, 2025 |
| Aug 18, 2025 | Jigish Dhirajlal Trivedi COO | AGrant or award Common Stock | +275,000 | $0.00 | $0 | 275,000 | Sep 5, 2025 |
| Aug 20, 2025 | Kate Eileen Suhadolnik Interim CFO | FTax withholding Common Stock | -1,232 | $1.61 | $1,984 | 28,954 | Aug 29, 2025 |
| Aug 20, 2025 | Kelly F. Goodman Interim CEO | FTax withholding Common Stock | -4,326 | $1.61 | $6,965 | 85,135 | Aug 21, 2025 |
| May 20, 2025 | Anthony Rabb Chief Financial Officer | FTax withholding Common Stock | -2,741 | $1.96 | $5,372 | 109,392 | May 22, 2025 |
| May 20, 2025 | Kelly F. Goodman Interim CEO | FTax withholding Common Stock | -2,164 | $1.96 | $4,241 | 89,461 | May 22, 2025 |
| Apr 13, 2025 | Kelly F. Goodman Interim CEO | AGrant or award Common Stock | +36,930 | $0.00 | $0 | 91,625 | Apr 15, 2025 |
| May 20, 2023 | Anthony Rabb Chief Financial Officer | FTax withholding Common Stock | -100 | $18.00 | $1,800 | 82,729 | Apr 15, 2025 |
| Aug 20, 2023 | Anthony Rabb Chief Financial Officer | FTax withholding Common Stock | -106 | $18.15 | $1,924 | 82,623 | Apr 15, 2025 |
| Nov 20, 2023 | Anthony Rabb Chief Financial Officer | FTax withholding Common Stock | -4,298 | $17.55 | $75k | 78,325 | Apr 15, 2025 |
| Feb 20, 2024 | Anthony Rabb Chief Financial Officer | FTax withholding Common Stock | -1,044 | $13.67 | $14k | 77,281 | Apr 15, 2025 |
| May 20, 2024 | Anthony Rabb Chief Financial Officer | FTax withholding Common Stock | -1,886 | $12.15 | $23k | 75,395 | Apr 15, 2025 |
| Aug 20, 2024 | Anthony Rabb Chief Financial Officer | FTax withholding Common Stock | -1,886 | $8.19 | $15k | 73,509 | Apr 15, 2025 |
| Nov 20, 2024 | Anthony Rabb Chief Financial Officer | FTax withholding Common Stock | -1,889 | $5.21 | $9,842 | 71,620 | Apr 15, 2025 |
| Feb 20, 2025 | Anthony Rabb Chief Financial Officer | FTax withholding Common Stock | -1,987 | $4.81 | $9,557 | 69,633 | Apr 15, 2025 |
| Apr 13, 2025 | Anthony Rabb Chief Financial Officer | AGrant or award Common Stock | +42,500 | $0.00 | $0 | 112,133 | Apr 15, 2025 |
| Feb 10, 2025 | Kelly F. Goodman Interim CEO | AGrant or award Common Stock | +10,000 | $0.00 | $0 | 56,184 | Apr 4, 2025 |
| Feb 20, 2025 | Kelly F. Goodman Interim CEO | FTax withholding Common Stock | -1,489 | $4.81 | $7,162 | 54,695 | Apr 4, 2025 |
| Nov 18, 2024 | Eric P. Dresselhuys Chief Executive Officer | POpen-market purchase Common Stock | +1,000 | $5.23 | $5,227 | 180,580 | Nov 18, 2024 |
| May 17, 2024 | Alexi Wellman director | AGrant or award Common Stock | +202,702 | $0.00 | $0 | 380,633 | May 17, 2024 |
| May 17, 2024 | Kyle Teamey director | AGrant or award Common Stock | +202,702 | $0.00 | $0 | 376,311 | May 17, 2024 |
| May 17, 2024 | Harry Quarls director | AGrant or award Common Stock | +202,702 | $0.00 | $0 | 626,158 | May 17, 2024 |
| May 17, 2024 | Sandeep Nijhawan director | AGrant or award Common Stock | +202,702 | $0.00 | $0 | 338,075 | May 17, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Drew P BuckleyCEO
- Eric P. DresselhuysChief Executive Officer
- Raffi Garabediandirector
- Kelly F. GoodmanSEE REMARKS
- Rich Hossfelddirector
- Michael R Nigglidirector
- Sandeep Nijhawandirector
- Harry Quarlsdirector
- Anthony RabbChief Financial Officer
- Kate Eileen SuhadolnikChief Financial Officer
- Kyle Teameydirector
- Jigish Dhirajlal TrivediCOO
- Alexi Wellmandirector
Questions about GWHT
Answered from the filings on this page, as of the latest one.
Are insiders buying GWHT?
As of Aug 24, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 2 open-market sells worth $3,751 by 2 insiders at ESS Tech, Inc. in the last 90 days, net -$3,751. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade GWHT on the open market?
Kelly F. Goodman (SEE REMARKS) sold $2,172 of GWHT on Aug 21, 2026 and filed the Form 4 on Aug 24, 2026. InsiderTell scored 23 (weak), with 2 insiders on the same side within 14 days.
How many insiders file Form 4 at ESS Tech, Inc.?
13 people have filed a Form 4 at ESS Tech, Inc., among them Drew P Buckley (CEO), Eric P. Dresselhuys (Chief Executive Officer), Raffi Garabedian (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.