ESS Tech, Inc. SEC filings GWHT
ESS Tech, Inc. has 473 filings in SEC EDGAR's recent list, going back to Jul 31, 2020. Its latest annual report, Form ARS, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 5, 2026 (listing notice, regulation fd disclosure). The company's fiscal year ends on December 31.
| 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 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2026 | Aug 11, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Material agreement
|
Jul 17, 2026 | Jul 16, 2026 |
| 8-K |
Current report
Listing notice
|
Jul 1, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jun 23, 2026 | Jun 23, 2026 |
| 8-K |
Current report
Officer or director change
|
Jun 18, 2026 | Jun 12, 2026 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Jun 15, 2026 | Jun 9, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2026 | May 29, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 15, 2026 | Apr 10, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
Mar 5, 2026 | Mar 5, 2026 |
| 8-K |
Current report
Material agreement
|
Jan 30, 2026 | Jan 29, 2026 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Jan 29, 2026 | Jan 23, 2026 |
| 8-K |
Current report
Officer or director change
|
Jan 6, 2026 | Jan 1, 2026 |
| 8-K |
Current report
Material agreement
|
Dec 5, 2025 | Dec 4, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2025 | Nov 13, 2025 |
| 8-K |
Current report
Material agreement
|
Nov 13, 2025 | Nov 13, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Oct 14, 2025 | Oct 14, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Oct 14, 2025 | Oct 13, 2025 |
| 8-K |
Current report
Other events
|
Aug 29, 2025 | Aug 29, 2025 |
| 8-K |
Current report
Officer or director change
|
Aug 18, 2025 | Aug 12, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2025 | Aug 14, 2025 |
| 8-K |
Current report
Officer or director change
|
Aug 7, 2025 | Aug 1, 2025 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Results of operations, New debt, Unregistered share sale, Other events
|
Jul 11, 2025 | Jul 9, 2025 |
| 8-K |
Current report
Other events
|
Jun 4, 2025 | Jun 3, 2025 |
| 8-K |
Current report
Other events
|
May 28, 2025 | May 27, 2025 |
| 8-K |
Current report
Results of operations
|
May 15, 2025 | May 15, 2025 |
| 8-K |
Current report
Material agreement
|
Mar 31, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 31, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Mar 28, 2025 | Mar 24, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 14, 2025 | Feb 13, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2024 | Nov 13, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Nov 5, 2024 | Nov 1, 2024 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Aug 26, 2024 | Aug 23, 2024 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure, Other events
|
Aug 23, 2024 | Aug 23, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2024 | Aug 14, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 21, 2024 | May 21, 2024 |
| 8-K |
Current report
Results of operations
|
May 7, 2024 | May 7, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 13, 2024 | Mar 13, 2024 |
| 8-K |
Current report
Listing notice
|
Mar 8, 2024 | Mar 6, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
|
Sep 25, 2023 | Sep 25, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 29, 2023 | Aug 28, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2023 | Aug 8, 2023 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
May 22, 2023 | May 22, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| 8-K |
Current report
Auditor change
|
May 3, 2023 | May 3, 2023 |
| 8-K |
Current report
Auditor change
|
Apr 14, 2023 | Apr 10, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 1, 2023 | Mar 1, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 25, 2022 | Nov 25, 2022 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Nov 3, 2022 | Nov 3, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Oct 24, 2022 | Oct 21, 2022 |
| 8-K |
Current report
Officer or director change
|
Aug 26, 2022 | Aug 26, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2022 | Aug 11, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 2, 2022 | Jun 1, 2022 |
| 8-K |
Current report
Results of operations
|
May 12, 2022 | May 12, 2022 |
| 8-K |
Current report
Other events
|
Mar 30, 2022 | Mar 30, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2022 | Feb 24, 2022 |
| 8-K |
Current report
Officer or director change
|
Feb 17, 2022 | Feb 14, 2022 |
| 8-K/A | Amended current report | Nov 22, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations, Auditor change, Restatement
|
Nov 22, 2021 | Nov 22, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 16, 2021 | Nov 15, 2021 |
| 8-K |
Current report
Other events
|
Nov 15, 2021 | Nov 9, 2021 |
| 8-K |
Current report
Other events
|
Nov 5, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Auditor change
|
Oct 28, 2021 | Oct 22, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 20, 2021 | Oct 20, 2021 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Listing notice, Unregistered share sale, Change to shareholder rights, Change in control, Officer or director change, Bylaw or fiscal year change
|
Oct 15, 2021 | Oct 8, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 12, 2021 | Oct 11, 2021 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Oct 5, 2021 | Oct 5, 2021 |
| 8-K |
Current report
Other events
|
Oct 1, 2021 | Oct 1, 2021 |
| 8-K |
Current report
Listing notice
|
Sep 28, 2021 | Sep 28, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 2, 2021 | Sep 2, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 4, 2021 | Aug 3, 2021 |
| 8-K |
Current report
Restatement
|
May 24, 2021 | May 24, 2021 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
May 7, 2021 | May 6, 2021 |
| 8-K |
Current report
Other events
|
Nov 6, 2020 | Nov 6, 2020 |
| 8-K |
Current report
Other events
|
Sep 25, 2020 | Sep 25, 2020 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change
|
Sep 22, 2020 | Sep 22, 2020 |
Showing 82 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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
Source: SEC EDGAR filings. This is company-reported data, not investment advice.