Company · CIK 1819438 # ESS Tech, Inc. | CIK | [1819438](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001819438) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 3690 — Miscellaneous Electrical Machinery, Equipment & Supplies | | Incorporated in | DE | | Business address | OR | | Listed | GWHT (OTC), GWH (NYSE) | | First annual or quarterly report | 2020-11-16 | ## Offerings 8 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-298806 | Shelf Effective | 2026-09-08 | 2026-09-16 | 2 | | 333-291506 | Shelf Effective | 2025-11-13 | 2026-08-21 | 6 | | 333-268138 | Shelf Effective | 2022-11-03 | 2025-11-13 | 4 | | 333-275552 | Shelf Effective | 2023-11-14 | 2023-12-14 | 2 | | 333-263316 | Registered company Effective | 2022-03-04 | 2022-11-17 | 3 | | 333-261900 | Registered company Withdrawn | 2021-12-27 | 2022-02-08 | 2 | | 333-260693 | Registered company Effective | 2021-11-03 | 2021-12-13 | 3 | | 333-248515 | IPO Final prospectus | 2020-08-31 | 2020-09-18 | 6 | ## Filings 30 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-09-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1819438/999999999526002983/9999999995-26-002983-index.htm) Declared effective | 333-298806 | 9999999995-26-002983 | | 2026-09-08 | [S-3](https://www.sec.gov/Archives/edgar/data/1819438/000162828026060945/0001628280-26-060945-index.htm) Shelf registered | 333-298806 | 0001628280-26-060945 | | 2026-08-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1819438/000181943826000075/0001819438-26-000075-index.htm) Shelf takedown | 333-291506 | 0001819438-26-000075 | | 2026-07-17 | [424B5](https://www.sec.gov/Archives/edgar/data/1819438/000181943826000064/0001819438-26-000064-index.htm) Shelf takedown | 333-291506 | 0001819438-26-000064 | | 2026-01-30 | [424B5](https://www.sec.gov/Archives/edgar/data/1819438/000162828026004261/0001628280-26-004261-index.htm) Shelf takedown | 333-291506 | 0001628280-26-004261 | | 2025-12-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1819438/999999999525003666/9999999995-25-003666-index.htm) Declared effective | 333-291506 | 9999999995-25-003666 | | 2025-12-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1819438/000162828025056591/0001628280-25-056591-index.htm) Shelf takedown | 333-291506 | 0001628280-25-056591 | | 2025-11-13 | [S-3](https://www.sec.gov/Archives/edgar/data/1819438/000162828025052058/0001628280-25-052058-index.htm) Shelf registered | 333-291506 | 0001628280-25-052058 | | 2025-11-13 | [424B5](https://www.sec.gov/Archives/edgar/data/1819438/000162828025052031/0001628280-25-052031-index.htm) Shelf takedown | 333-268138 | 0001628280-25-052031 | | 2025-03-31 | [424B5](https://www.sec.gov/Archives/edgar/data/1819438/000162828025015699/0001628280-25-015699-index.htm) Shelf takedown | 333-268138 | 0001628280-25-015699 | | 2023-12-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1819438/999999999523003623/9999999995-23-003623-index.htm) Declared effective | 333-275552 | 9999999995-23-003623 | | 2023-11-14 | [S-3](https://www.sec.gov/Archives/edgar/data/1819438/000162828023038964/0001628280-23-038964-index.htm) Shelf registered | 333-275552 | 0001628280-23-038964 | | 2022-11-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1819438/999999999522003331/9999999995-22-003331-index.htm) Declared effective | 333-268138 | 9999999995-22-003331 | | 2022-11-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1819438/999999999522003324/9999999995-22-003324-index.htm) Declared effective | 333-263316 | 9999999995-22-003324 | | 2022-11-03 | [S-3](https://www.sec.gov/Archives/edgar/data/1819438/000162828022028258/0001628280-22-028258-index.htm) Shelf registered | 333-268138 | 0001628280-22-028258 | | 2022-03-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1819438/999999999522000657/9999999995-22-000657-index.htm) Declared effective | 333-263316 | 9999999995-22-000657 | | 2022-03-04 | [S-1](https://www.sec.gov/Archives/edgar/data/1819438/000162828022005167/0001628280-22-005167-index.htm) Registration filed | 333-263316 | 0001628280-22-005167 | | 2022-02-08 | [RW](https://www.sec.gov/Archives/edgar/data/1819438/000119312522031040/0001193125-22-031040-index.htm) Withdrawn | 333-261900 | 0001193125-22-031040 | | 2021-12-27 | [S-1](https://www.sec.gov/Archives/edgar/data/1819438/000119312521367045/0001193125-21-367045-index.htm) Registration filed | 333-261900 | 0001193125-21-367045 | | 2021-12-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1819438/999999999521004665/9999999995-21-004665-index.htm) Declared effective | 333-260693 | 9999999995-21-004665 | | 2021-11-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1819438/999999999521004303/9999999995-21-004303-index.htm) Declared effective | 333-260693 | 9999999995-21-004303 | | 2021-11-03 | [S-1](https://www.sec.gov/Archives/edgar/data/1819438/000119312521317289/0001193125-21-317289-index.htm) Registration filed | 333-260693 | 0001193125-21-317289 | | 2021-09-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1819438/999999999521003504/9999999995-21-003504-index.htm) Declared effective | 333-257232 | 9999999995-21-003504 | | 2020-09-18 | [424B4](https://www.sec.gov/Archives/edgar/data/1819438/000119312520249225/0001193125-20-249225-index.htm) Final prospectus | 333-248515 | 0001193125-20-249225 | | 2020-09-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1819438/999999999520002471/9999999995-20-002471-index.htm) Declared effective | 333-248515 | 9999999995-20-002471 | | 2020-09-15 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1819438/000119312520245853/0001193125-20-245853-index.htm) Amendment | 333-248515 | 0001193125-20-245853 | | 2020-09-11 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1819438/000119312520244274/0001193125-20-244274-index.htm) Amendment | 333-248515 | 0001193125-20-244274 | | 2020-09-09 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1819438/000119312520241467/0001193125-20-241467-index.htm) Amendment | 333-248515 | 0001193125-20-241467 | | 2020-08-31 | [S-1](https://www.sec.gov/Archives/edgar/data/1819438/000119312520236408/0001193125-20-236408-index.htm) Registration filed | 333-248515 | 0001193125-20-236408 | | 2020-07-31 | [DRS](https://www.sec.gov/Archives/edgar/data/1819438/000095012320007474/0000950123-20-007474-index.htm) Draft made public | 377-03361 | 0000950123-20-007474 | [All filings of this company](https://equitycapital.markets/filings?cik=1819438) · [CSV](https://equitycapital.markets/filings.csv?cik=1819438) --- Source page: https://equitycapital.markets/company/1819438 · Data: U.S. SEC EDGAR · CC BY 4.0