Form 424B3 - Prospectus [Rule 424(b)(3)]:
SEC Accession No. 0001628280-25-034764
Filing Date
2025-07-11
Accepted
2025-07-11 09:00:28
Documents
2

Document Format Files

Seq Description Document Type Size
1 424B3 prospectussupplementatmter.htm 424B3 5690
2 essa.jpg GRAPHIC 4210
  Complete submission text file 0001628280-25-034764.txt   12758
Mailing Address 26440 SW PARKWAY AVE. BLDG. 83 WILSONVILLE OR 97070
Business Address 26440 SW PARKWAY AVE. BLDG. 83 WILSONVILLE OR 97070 (855) 423-9920
ESS Tech, Inc. (Filer) CIK: 0001819438 (see all company filings)

EIN.: 981550150 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B3 | Act: 33 | File No.: 333-268138 | Film No.: 251117628
SIC: 3690 Miscellaneous Electrical Machinery, Equipment & Supplies
(CF Office: 04 Manufacturing)