ESS Tech, Inc. (ticker: GWH) is an energy storage company that develops and manufactures iron flow battery systems for long-duration energy storage. The company focuses on providing alternatives to lithium-ion batteries, targeting commercial and utility-scale applications. ESS Tech went public through a Business Combination transaction and is listed on the NYSE.
Q2 FY2026 — expected 2026-08-15
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2026-03-05 | 2025-12-31 | 0001819438-26-000012 | EDGAR | 65K words |
| 2025-03-31 | 2024-12-31 | 0001628280-25-015649 | EDGAR | — |
| 2024-03-14 | 2023-12-31 | 0001628280-24-011004 | EDGAR | — |
| 2023-03-02 | 2022-12-31 | 0001628280-23-005933 | EDGAR | — |
| 2022-03-04 | 2021-12-31 | 0001628280-22-005026 | EDGAR | — |
| 2021-03-31 | 2020-12-31 | 0001564590-21-017079 | EDGAR | — |
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2025-11-13 | 2025-09-30 | 0001819438-25-000076 | EDGAR | 52K words |
| 2025-08-14 | 2025-06-30 | 0001819438-25-000014 | EDGAR | — |
| 2025-05-15 | 2025-03-31 | 0001628280-25-026025 | EDGAR | — |
| 2024-11-14 | 2024-09-30 | 0001628280-24-047692 | EDGAR | — |
| 2024-08-14 | 2024-06-30 | 0001628280-24-037276 | EDGAR | — |
| 2024-05-08 | 2024-03-31 | 0001628280-24-021198 | EDGAR | — |
| 2023-11-14 | 2023-09-30 | 0001628280-23-038916 | EDGAR | — |
| 2023-08-09 | 2023-06-30 | 0001628280-23-028300 | EDGAR | — |
| 2023-05-10 | 2023-03-31 | 0001628280-23-016924 | EDGAR | — |
| 2022-11-03 | 2022-09-30 | 0001628280-22-028231 | EDGAR | — |
| 2022-08-12 | 2022-06-30 | 0001628280-22-022530 | EDGAR | — |
| 2022-05-13 | 2022-03-31 | 0001628280-22-014149 | EDGAR | — |
| Filed | Accession | Source | Full Text |
|---|---|---|---|
| 2026-03-05 | 0001819438-26-000011 | EDGAR | 4K words |
| 2026-01-30 | 0001628280-26-004263 | EDGAR | — |
| 2026-01-29 | 0001628280-26-003973 | EDGAR | — |
| 2026-01-06 | 0001819438-26-000003 | EDGAR | — |
| 2025-12-05 | 0001819438-25-000079 | EDGAR | — |
| 2025-11-13 | 0001819438-25-000077 | EDGAR | — |
| 2025-11-13 | 0001628280-25-052045 | EDGAR | — |
| 2025-10-14 | 0001819438-25-000065 | EDGAR | — |
| 2025-10-14 | 0001819438-25-000057 | EDGAR | — |
| 2025-08-29 | 0001819438-25-000027 | EDGAR | — |
114 total filings indexed. 86 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR
| CIK | 0001819438 |
| Ticker | GWH |
| Exchange | NYSE |
| SIC | 3690: Miscellaneous Electrical Machinery, Equipment & Supplies |
| Incorporated | DE |
| Website | https://www.essinc.com |
| Listed | 2021-10-11 |
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