| SC 13G/A | 2024-02-14 | Cycle Capital Fund III, L.P. | ESS Tech, Inc. | 9,205,314 | 5.3% | EDGAR |
| SC 13G/A | 2024-01-31 | Pangaea Ventures Fund III, LP | ESS Tech, Inc. | 10,529,630 | 6.1% | EDGAR |
| SC 13G | 2023-09-25 | HONEYWELL INTERNATIONAL INC | ESS Tech, Inc. | 34,169,102 | 18.0% | EDGAR |
| SC 13D | 2023-07-13 | Evans Craig E | ESS Tech, Inc. | 8,453,903 | 5.5% | EDGAR |
| SC 13G | 2023-03-29 | Cycle Capital Fund III, L.P. | ESS Tech, Inc. | 9,704,256 | 6.3% | EDGAR |
| SC 13G/A | 2023-02-13 | ACON S2 Sponsor, L.L.C. | ESS Tech, Inc. | 7,133,334 | 4.5% | EDGAR |
| SC 13G/A | 2023-02-09 | FMR LLC | ESS Tech, Inc. | 787,895 | 0.4% | EDGAR |
| SC 13G/A | 2023-02-06 | BASF Venture Capital GmbH | ESS Tech, Inc. | 7,543,436 | 4.9% | EDGAR |
| SC 13G/A | 2023-01-30 | Pangaea Ventures Fund III, LP | ESS Tech, Inc. | 11,292,493 | 7.4% | EDGAR |
| SC 13G/A | 2022-02-14 | GLAZER CAPITAL, LLC | ESS Tech, Inc. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2022-02-14 | ACON S2 Sponsor, L.L.C. | ESS Tech, Inc. | 10,183,333 | 6.8% | EDGAR |
| SC 13G/A | 2022-02-11 | BASF Venture Capital GmbH | ESS Tech, Inc. | 9,214,562 | 6.4% | EDGAR |
| SC 13G/A | 2022-02-11 | RP Investment Advisors LP | ESS Tech, Inc. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2022-02-11 | Weiss Asset Management LP | ESS Tech, Inc. | 0 | 0.0% | EDGAR |
| SC 13G | 2022-02-09 | FMR LLC | ESS Tech, Inc. | 11,440,288 | 6.7% | EDGAR |
| SC 13G/A | 2022-01-28 | Pangaea Ventures Fund III, LP | ESS Tech, Inc. | 12,546,771 | 8.7% | EDGAR |
| SC 13D/A | 2021-11-22 | BREAKTHROUGH ENERGY INVESTMENTS LLC | ESS Tech, Inc. | 18,558,721 | 12.2% | EDGAR |
| SC 13D/A | 2021-11-22 | Cycle Capital Fund III, L.P. | ESS Tech, Inc. | 11,291,652 | 7.4% | EDGAR |
| SC 13D/A | 2021-11-17 | SOFTBANK GROUP CORP | ESS Tech, Inc. | 35,953,699 | 23.8% | EDGAR |
| SC 13D | 2021-10-25 | SOFTBANK GROUP CORP | ESS Tech, Inc. | 31,714,972 | 23.5% | EDGAR |