GWH · ESS Tech Inc. Common Stock
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| SOFTBANK GROUP CORP. 10% Owner | ▼ Sell | Other | 35,953,699 Shares held | 11/9/2021 | View profile |
| Breakthrough Energy Ventures, LLC 10% Owner | ▼ Sell | Other | 18,558,721 Shares held | 11/9/2021 | View profile |
| ACON S2 Sponsor, L.L.C. 10% Owner | ▼ Sell | Other | 6,100,000 Shares held | 10/8/2021 | View profile |
| Evans Craig E President | ▲ Buy | Grant | 2,859,868 Shares held | 3/13/2023 | View profile |
| Moftakhar Amir Chief Financial Officer | ▼ Sell | Open Market | 558,850 Shares held | 10/19/2022 | View profile |
| Trivedi Jigish Dhirajlal COO | ▲ Buy | Grant | 275,000 Shares held | 8/18/2025 | View profile |
| Goodman Kelly F. Interim CEO | ▼ Sell | Open Market | 210,620 Shares held | 5/22/2026 | View profile |
| Dresselhuys Eric P. Chief Executive Officer | ▲ Buy | Open Market | 180,580 Shares held | 11/18/2024 | View profile |
| Suhadolnik Kate Eileen Interim CFO | ▼ Sell | Open Market | 160,757 Shares held | 5/22/2026 | View profile |
| Rabb Anthony Chief Financial Officer | ▼ Sell | Tax Withholding | 109,392 Shares held | 5/20/2025 | View profile |
| NIGGLI MICHAEL R Director | ▲ Buy | Grant | 90,825 Shares held | 10/13/2025 | View profile |
| Wilson Daryl C Director | ▲ Buy | Grant | 75,850 Shares held | 6/1/2022 | View profile |
| Quarls Harry Director | ▲ Buy | Grant | 68,769 Shares held | 5/29/2026 | View profile |
| Gast Claudia Director | ▲ Buy | Grant | 59,694 Shares held | 6/1/2022 | View profile |
| Bodner Jeff Chief Accounting Officer | ▲ Buy | Grant | 54,900 Shares held | 2/8/2022 | View profile |
| Garabedian Raffi Director | ▲ Buy | Grant | 53,185 Shares held | 5/29/2026 | View profile |
| Alexi Wellman Director | ▲ Buy | Grant | 52,399 Shares held | 5/29/2026 | View profile |
| Janie Goddard Director | ▼ Sell | Other | 50,000 Shares held | 10/8/2021 | View profile |
| Shadrick-Wilson Ryan D Director | ▼ Sell | Other | 50,000 Shares held | 10/8/2021 | View profile |
| Levy Sarah Kirshbaum Director | ▼ Sell | Other | 50,000 Shares held | 10/8/2021 | View profile |
| Nijhawan Sandeep Director | ▲ Buy | Grant | 42,563 Shares held | 5/29/2026 | View profile |
| Hossfeld Rich Director | ▲ Buy | Grant | 41,372 Shares held | 5/29/2026 | View profile |
| Teamey Kyle Director | ▲ Buy | Grant | 38,740 Shares held | 10/13/2025 | View profile |
| Buckley Drew P CEO | ▲ Buy | Open Market | 25,000 Shares held | 6/4/2026 | View profile |
Transaction History
| Buckley Drew P | ▲ Buy | Open Market | 25,000 | $26K | 6/4/2026 |
| Alexi Wellman | ▲ Buy | Grant | 13,513 | $0 | 5/29/2026 |
| Quarls Harry | ▲ Buy | Grant | 13,513 | $0 | 5/29/2026 |
| Nijhawan Sandeep | ▲ Buy | Grant | 13,513 | $0 | 5/29/2026 |
| Hossfeld Rich | ▲ Buy | Grant | 13,513 | $0 | 5/29/2026 |
| Garabedian Raffi | ▲ Buy | Grant | 13,513 | $0 | 5/29/2026 |
| Suhadolnik Kate Eileen | ▼ Sell | Open Market | 1,922 | $2K | 5/22/2026 |
| Goodman Kelly F. | ▼ Sell | Open Market | 2,751 | $3K | 5/22/2026 |
| Suhadolnik Kate Eileen | ▼ Sell | Open Market | 1,735 | $2K | 5/21/2026 |
| Goodman Kelly F. | ▼ Sell | Open Market | 2,482 | $2K | 5/21/2026 |
| Suhadolnik Kate Eileen | ▼ Sell | Open Market | 741 | $1K | 2/20/2026 |
| Goodman Kelly F. | ▼ Sell | Open Market | 2,269 | $3K | 2/20/2026 |
| Suhadolnik Kate Eileen | ▲ Buy | Grant | 137,500 | $0 | 2/13/2026 |
| Goodman Kelly F. | ▲ Buy | Grant | 137,500 | $0 | 2/13/2026 |
| Suhadolnik Kate Eileen | ▼ Sell | Tax Withholding | 1,299 | $3K | 11/20/2025 |
| Goodman Kelly F. | ▼ Sell | Tax Withholding | 4,513 | $11K | 11/20/2025 |
| NIGGLI MICHAEL R | ▲ Buy | Grant | 13,513 | $0 | 10/13/2025 |
| Alexi Wellman | ▲ Buy | Grant | 13,513 | $0 | 10/13/2025 |
| Quarls Harry | ▲ Buy | Grant | 13,513 | $0 | 10/13/2025 |
| Nijhawan Sandeep | ▲ Buy | Grant | 13,513 | $0 | 10/13/2025 |
| Garabedian Raffi | ▲ Buy | Grant | 13,513 | $0 | 10/13/2025 |
| Hossfeld Rich | ▲ Buy | Grant | 13,513 | $0 | 10/13/2025 |
| Teamey Kyle | ▲ Buy | Grant | 13,513 | $0 | 10/13/2025 |
| Suhadolnik Kate Eileen | ▼ Sell | Tax Withholding | 1,232 | $2K | 8/20/2025 |
| Goodman Kelly F. | ▼ Sell | Tax Withholding | 4,326 | $7K | 8/20/2025 |
| Trivedi Jigish Dhirajlal | ▲ Buy | Grant | 275,000 | $0 | 8/18/2025 |
| Goodman Kelly F. | ▼ Sell | Tax Withholding | 2,164 | $4K | 5/20/2025 |
| Rabb Anthony | ▼ Sell | Tax Withholding | 2,741 | $5K | 5/20/2025 |
| Rabb Anthony | ▲ Buy | Grant | 42,500 | $0 | 4/13/2025 |
| Goodman Kelly F. | ▲ Buy | Grant | 36,930 | $0 | 4/13/2025 |
| Rabb Anthony | ▼ Sell | Tax Withholding | 1,987 | $10K | 2/20/2025 |
| Goodman Kelly F. | ▼ Sell | Tax Withholding | 1,489 | $7K | 2/20/2025 |
| Goodman Kelly F. | ▲ Buy | Grant | 10,000 | $0 | 2/10/2025 |
| Rabb Anthony | ▼ Sell | Tax Withholding | 1,889 | $10K | 11/20/2024 |
| Dresselhuys Eric P. | ▲ Buy | Open Market | 1,000 | $5K | 11/18/2024 |
| Nijhawan Sandeep | ▼ Sell | Open Market | 7,000 | $40K | 9/11/2024 |
| Teamey Kyle | ▲ Buy | Open Market | 142 | $956 | 8/30/2024 |
| NIGGLI MICHAEL R | ▲ Buy | Option Exercise | 11,852 | $82K | 8/29/2024 |
| Rabb Anthony | ▼ Sell | Tax Withholding | 1,886 | $15K | 8/20/2024 |
| Rabb Anthony | ▼ Sell | Tax Withholding | 1,886 | $23K | 5/20/2024 |
| Hossfeld Rich | ▲ Buy | Grant | 202,702 | $0 | 5/17/2024 |
| Garabedian Raffi | ▲ Buy | Grant | 202,702 | $0 | 5/17/2024 |
| NIGGLI MICHAEL R | ▲ Buy | Grant | 202,702 | $0 | 5/17/2024 |
| Nijhawan Sandeep | ▲ Buy | Grant | 202,702 | $0 | 5/17/2024 |
| Quarls Harry | ▲ Buy | Grant | 202,702 | $0 | 5/17/2024 |
| Teamey Kyle | ▲ Buy | Grant | 202,702 | $0 | 5/17/2024 |
| Alexi Wellman | ▲ Buy | Grant | 202,702 | $0 | 5/17/2024 |
| Hossfeld Rich | ▼ Sell | Other | 135,373 | $0 | 5/15/2024 |
| Teamey Kyle | ▲ Buy | Open Market | 1,250 | $987 | 5/14/2024 |
| Quarls Harry | ▲ Buy | Open Market | 57,310 | $45K | 5/10/2024 |
| Quarls Harry | ▲ Buy | Open Market | 42,690 | $36K | 5/9/2024 |
| Hossfeld Rich | ▲ Buy | Open Market | 200 | $145 | 3/15/2024 |
| Hossfeld Rich | ▲ Buy | Open Market | 2,300 | $2K | 3/15/2024 |
| Dresselhuys Eric P. | ▲ Buy | Grant | 622,771 | $0 | 3/7/2024 |
| Rabb Anthony | ▼ Sell | Tax Withholding | 1,044 | $14K | 2/20/2024 |
| Rabb Anthony | ▲ Buy | Grant | 550,000 | $0 | 2/15/2024 |
| Rabb Anthony | ▼ Sell | Tax Withholding | 4,298 | $75K | 11/20/2023 |
| Quarls Harry | ▲ Buy | Open Market | 5,489 | $7K | 11/16/2023 |
| Quarls Harry | ▲ Buy | Open Market | 67,118 | $90K | 11/15/2023 |
| Quarls Harry | ▲ Buy | Open Market | 80,579 | $102K | 11/14/2023 |
| Quarls Harry | ▲ Buy | Open Market | 46,814 | $52K | 11/13/2023 |
| Teamey Kyle | ▲ Buy | Open Market | 1,000 | $1K | 11/13/2023 |
| Dresselhuys Eric P. | ▲ Buy | Grant | 128,617 | $0 | 9/5/2023 |
| Quarls Harry | ▲ Buy | Grant | 123,456 | $0 | 8/28/2023 |
| Rabb Anthony | ▼ Sell | Tax Withholding | 106 | $2K | 8/20/2023 |
| Rabb Anthony | ▼ Sell | Tax Withholding | 100 | $2K | 5/20/2023 |
| Nijhawan Sandeep | ▲ Buy | Grant | 135,373 | $0 | 5/19/2023 |
| Garabedian Raffi | ▲ Buy | Grant | 135,373 | $0 | 5/19/2023 |
| Teamey Kyle | ▲ Buy | Grant | 135,373 | $0 | 5/19/2023 |
| Alexi Wellman | ▲ Buy | Grant | 135,373 | $0 | 5/19/2023 |
| Hossfeld Rich | ▲ Buy | Grant | 135,373 | $0 | 5/19/2023 |
| NIGGLI MICHAEL R | ▲ Buy | Grant | 135,373 | $0 | 5/19/2023 |
| NIGGLI MICHAEL R | ▲ Buy | Open Market | 10,000 | $8K | 5/16/2023 |
| Hossfeld Rich | ▲ Buy | Open Market | 10,000 | $8K | 5/16/2023 |
| Teamey Kyle | ▲ Buy | Open Market | 3,900 | $3K | 5/15/2023 |
| Teamey Kyle | ▲ Buy | Open Market | 100 | $84 | 5/15/2023 |
| NIGGLI MICHAEL R | ▲ Buy | Open Market | 20,000 | $23K | 5/12/2023 |
| Dresselhuys Eric P. | ▲ Buy | Grant | 622,771 | $0 | 4/26/2023 |
| Evans Craig E | ▲ Buy | Grant | 467,694 | $0 | 3/13/2023 |
| Rabb Anthony | ▲ Buy | Grant | 77,949 | $0 | 3/13/2023 |
| Teamey Kyle | ▲ Buy | Open Market | 2,500 | $4K | 3/7/2023 |
| NIGGLI MICHAEL R | ▲ Buy | Open Market | 5,000 | $8K | 3/6/2023 |
| Dresselhuys Eric P. | ▼ Sell | Open Market | 23,440 | $48K | 2/21/2023 |
| Evans Craig E | ▼ Sell | Open Market | 5,536 | $11K | 2/21/2023 |
| Evans Craig E | ▼ Sell | Open Market | 4,915 | $0 | 2/21/2023 |
| NIGGLI MICHAEL R | ▲ Buy | Open Market | 19,100 | $49K | 12/15/2022 |
| Dresselhuys Eric P. | ▼ Sell | Open Market | 14,339 | $55K | 11/21/2022 |
| Evans Craig E | ▼ Sell | Open Market | 50,000 | $176K | 11/21/2022 |
| Evans Craig E | ▼ Sell | Open Market | 6,350 | $24K | 11/21/2022 |
| Evans Craig E | ▼ Sell | Open Market | 8,217 | $31K | 11/21/2022 |
| Evans Craig E | ▼ Sell | Open Market | 50,000 | $197K | 11/18/2022 |
| Moftakhar Amir | ▼ Sell | Open Market | 4,193 | $15K | 10/19/2022 |
| Moftakhar Amir | ▼ Sell | Open Market | 4,193 | $15K | 10/19/2022 |
| Evans Craig E | ▼ Sell | Open Market | 12,628 | $47K | 10/17/2022 |
| Evans Craig E | ▼ Sell | Open Market | 16,340 | $61K | 10/17/2022 |
| Dresselhuys Eric P. | ▼ Sell | Open Market | 57,027 | $212K | 10/17/2022 |
| Dresselhuys Eric P. | ▼ Sell | Open Market | 14,259 | $53K | 10/17/2022 |
| Dresselhuys Eric P. | ▼ Sell | Open Market | 19,398 | $72K | 10/17/2022 |
| Dresselhuys Eric P. | ▼ Sell | Open Market | 19,398 | $72K | 10/17/2022 |
| Moftakhar Amir | ▼ Sell | Open Market | 16,720 | $62K | 10/17/2022 |
| Moftakhar Amir | ▼ Sell | Open Market | 63,205 | $254K | 10/17/2022 |
| Gast Claudia | ▲ Buy | Grant | 29,486 | $0 | 6/1/2022 |
| Garabedian Raffi | ▲ Buy | Grant | 29,486 | $0 | 6/1/2022 |
| Teamey Kyle | ▲ Buy | Grant | 29,486 | $0 | 6/1/2022 |
| Wilson Daryl C | ▲ Buy | Grant | 29,486 | $0 | 6/1/2022 |
| NIGGLI MICHAEL R | ▲ Buy | Grant | 29,486 | $0 | 6/1/2022 |
| Alexi Wellman | ▲ Buy | Grant | 29,486 | $0 | 6/1/2022 |
| NIGGLI MICHAEL R | ▲ Buy | Open Market | 20,000 | $100K | 3/1/2022 |
| Gast Claudia | ▲ Buy | Grant | 30,208 | $0 | 2/17/2022 |
| Dresselhuys Eric P. | ▲ Buy | Grant | 622,771 | $0 | 2/16/2022 |
| Bodner Jeff | ▲ Buy | Grant | 32,934 | $0 | 2/8/2022 |
| Moftakhar Amir | ▲ Buy | Grant | 268,358 | $0 | 2/8/2022 |
| Evans Craig E | ▲ Buy | Grant | 268,358 | $0 | 2/8/2022 |
| Evans Craig E | ▲ Buy | Grant | 207,367 | $0 | 2/8/2022 |
| Evans Craig E | ▼ Sell | Open Market | 1,342 | $8K | 1/24/2022 |
| Dresselhuys Eric P. | ▼ Sell | Open Market | 59,642 | $361K | 1/24/2022 |
| Evans Craig E | ▲ Buy | Grant | 2,934 | $0 | 1/17/2022 |
| Dresselhuys Eric P. | ▲ Buy | Grant | 88,031 | $0 | 1/17/2022 |
| Bodner Jeff | ▼ Sell | Tax Withholding | 4,225 | $49K | 1/4/2022 |
| Moftakhar Amir | ▼ Sell | Tax Withholding | 37,821 | $435K | 1/4/2022 |
| Evans Craig E | ▼ Sell | Tax Withholding | 20,193 | $232K | 1/4/2022 |
| Evans Craig E | ▼ Sell | Tax Withholding | 19,404 | $223K | 1/4/2022 |
| Dresselhuys Eric P. | ▼ Sell | Tax Withholding | 52,216 | $600K | 1/4/2022 |
| Alexi Wellman | ▲ Buy | Grant | 13,072 | $0 | 12/17/2021 |
| Bodner Jeff | ▲ Buy | Grant | 15,000 | $0 | 12/17/2021 |
| Dresselhuys Eric P. | ▲ Buy | Grant | 762,938 | $0 | 12/17/2021 |
| Dresselhuys Eric P. | ▲ Buy | Grant | 130,059 | $0 | 11/15/2021 |
| Wilson Daryl C | ▲ Buy | Grant | 46,364 | $0 | 11/15/2021 |
| Moftakhar Amir | ▲ Buy | Grant | 101,026 | $0 | 11/15/2021 |
| NIGGLI MICHAEL R | ▲ Buy | Grant | 30,053 | $0 | 11/15/2021 |
| Bodner Jeff | ▲ Buy | Grant | 11,191 | $0 | 11/15/2021 |
| Garabedian Raffi | ▲ Buy | Grant | 24,868 | $0 | 11/15/2021 |
| SOFTBANK GROUP CORP. | ▼ Sell | Other | 4,204,936 | $0 | 11/9/2021 |
| SOFTBANK GROUP CORP. | ▼ Sell | Other | 33,791 | $0 | 11/9/2021 |
| Breakthrough Energy Ventures, LLC | ▼ Sell | Other | 2,500,751 | $0 | 11/9/2021 |
| Breakthrough Energy Ventures, LLC | ▼ Sell | Other | 20,096 | $0 | 11/9/2021 |
| NIGGLI MICHAEL R | ▼ Sell | Other | 65,752 | $658K | 11/9/2021 |
| NIGGLI MICHAEL R | ▼ Sell | Other | 31,140 | $311K | 11/9/2021 |
| NIGGLI MICHAEL R | ▼ Sell | Other | 11,670 | $117K | 11/9/2021 |
| NIGGLI MICHAEL R | ▼ Sell | Other | 11,670 | $117K | 11/9/2021 |
| NIGGLI MICHAEL R | ▼ Sell | Other | 11,670 | $117K | 11/9/2021 |
| NIGGLI MICHAEL R | ▼ Sell | Other | 11,670 | $117K | 11/9/2021 |
| Moftakhar Amir | ▼ Sell | Other | 43,216 | $432K | 11/9/2021 |
| Evans Craig E | ▼ Sell | Other | 11,670 | $117K | 11/9/2021 |
| Evans Craig E | ▼ Sell | Other | 304,194 | $3.0M | 11/9/2021 |
| Evans Craig E | ▲ Buy | Grant | 58,984 | $0 | 11/9/2021 |
| Evans Craig E | ▲ Buy | Grant | 56,626 | $0 | 11/9/2021 |
| NIGGLI MICHAEL R | ▼ Sell | Other | 77,822 | $778K | 11/9/2021 |
| Janie Goddard | ▼ Sell | Other | 50,000 | — | 10/8/2021 |
| Shadrick-Wilson Ryan D | ▼ Sell | Other | 50,000 | — | 10/8/2021 |
| Levy Sarah Kirshbaum | ▼ Sell | Other | 50,000 | — | 10/8/2021 |
| ACON S2 Sponsor, L.L.C. | ▼ Sell | Other | 6,100,000 | — | 10/8/2021 |