FY2025 · ended Dec 31, 2025 · Revenue $1.58M, -74.9% YoY · Filed Mar 5, 2026
ESS Tech, Inc. (GWHT) files with the SEC under industry code 3690, Miscellaneous Electrical Machinery, Equipment & Supplies. In fiscal 2025, which ended Dec 31, 2025, it reported revenue of $1.6 million and a net loss of $63.4 million. Free cash flow was -$53.7 million. As of Jun 30, 2026 it held $10.8 million in cash and investments and $17.5 million in total debt.
Revenue (TTM)
$-1.17M
-119.0% vs year-ago TTM
Net income (TTM)
$-65.83M
+12.3% vs year-ago TTM
Operating cash flow (TTM)
$-42.09M
+38.7% vs year-ago TTM
Free cash flow (TTM)
$-45.42M
+40.2% vs year-ago TTM
EPS (TTM)
$-2.72
+56.5% vs year-ago TTM
Dividend per share
None
Shares outstanding
27.17M
+124.5% vs prior year
Net cash
$-6.61M
as of Jun 30, 2026
Operating margin
4826.8%
FY 2026
Company profile
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies (SIC 3690)
- Listed as
- GWHT (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Wilsonville, OR
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1819438
- Former names
- ACON S2 Acquisition Corp. (until Oct 8, 2021)
Other Miscellaneous Electrical Machinery, Equipment & Supplies companies
- Cae Inc CAE
- EnerSys ENS
- Novanta Inc NOVT
- QuantumScape Corp QS
- Spectrum Brands Holdings, Inc. SPB
- Energizer Holdings, Inc. ENR
- InoBat B.V. INBT
- Amprius Technologies, Inc. AMPX
All 55 Miscellaneous Electrical Machinery, Equipment & Supplies companies
Key figures
Fiscal-year totals from the annual reports. Balance sheet lines are as of each year end.
| Line | FY 2025 Dec 31, 2025 |
FY 2024 Dec 31, 2024 |
FY 2023 Dec 31, 2023 |
FY 2022 Dec 31, 2022 |
FY 2021 Dec 31, 2021 |
|---|---|---|---|---|---|
| Revenue | $1.6M | $6.3M | $7.5M | $894,000 | $0 |
| Operating income | -$57.4M | -$89.8M | -$85.9M | -$105.5M | -$60.6M |
| Net income | -$63.4M | -$86.2M | -$77.6M | -$78.0M | -$477.1M |
| Diluted EPS | -$4.34 | -$7.32 | -$7.27 | -$0.51 | -$5.73 |
| Operating cash flow | -$50.3M | -$72.2M | -$54.9M | -$81.6M | -$51.8M |
| Free cash flow | -$53.7M | -$79.5M | -$60.7M | -$95.8M | -$54.6M |
| Total assets | $51.2M | $71.8M | $143.2M | $173.6M | $250.2M |
| Total liabilities | $42.6M | $42.9M | $39.9M | $36.6M | $45.0M |
| Stockholders' equity | $8.6M | $28.9M | $103.4M | $137.0M | $205.2M |
| Cash and investments | $14.5M | $13.3M | $20.2M | $34.8M | $238.9M |
| Total debt | $21.2M | $1.7M | $2.5M | $6.0M | $3.8M |
Recent SEC filings
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Oct 5, 2026 | Oct 2, 2026 |
| 8-K |
Current report
Listing notice
|
Sep 30, 2026 | Sep 24, 2026 |
| 8-K |
Current report
Officer or director change
|
Sep 3, 2026 | Aug 28, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Aug 21, 2026 | Aug 20, 2026 |
| 10-Q | Quarterly report | Aug 11, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2026 | Aug 11, 2026 |
All 473 ESS Tech, Inc. SEC filings
Source: SEC EDGAR filings. This is company-reported data, not investment advice.