0001819438-25-000002.txt : 20250723 0001819438-25-000002.hdr.sgml : 20250723 20250723160949 ACCESSION NUMBER: 0001819438-25-000002 CONFORMED SUBMISSION TYPE: D PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: Rule 506(b) provides a "safer harbor" for a private offering FILED AS OF DATE: 20250723 DATE AS OF CHANGE: 20250723 EFFECTIVENESS DATE: 20250723 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ESS Tech, Inc. CENTRAL INDEX KEY: 0001819438 STANDARD INDUSTRIAL CLASSIFICATION: MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690] ORGANIZATION NAME: 04 Manufacturing EIN: 981550150 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: D SEC ACT: 1933 Act SEC FILE NUMBER: 021-552625 FILM NUMBER: 251143221 BUSINESS ADDRESS: STREET 1: 26440 SW PARKWAY AVE. STREET 2: BLDG. 83 CITY: WILSONVILLE STATE: OR ZIP: 97070 BUSINESS PHONE: (855) 423-9920 MAIL ADDRESS: STREET 1: 26440 SW PARKWAY AVE. STREET 2: BLDG. 83 CITY: WILSONVILLE STATE: OR ZIP: 97070 FORMER COMPANY: FORMER CONFORMED NAME: ACON S2 Acquisition Corp. DATE OF NAME CHANGE: 20200728 D 1 primary_doc.xml X0708 D LIVE 0001819438 ESS Tech, Inc. 26440 SW PARKWAY AVE. BLDG. 83 WILSONVILLE OR OREGON 97070 (855) 423-9920 DELAWARE ACON S2 Acquisition Corp. Corporation true 2021 Harry Quarls 26440 SW Parkway Ave., Bldg. 83 Wilsonville OR OREGON 97070 Director Michael Niggli 26440 SW Parkway Ave., Bldg. 83 Wilsonville OR OREGON 97070 Director Raffi Garabedian 26440 SW Parkway Ave., Bldg. 83 Wilsonville OR OREGON 97070 Director Rich Hossfeld 26440 SW Parkway Ave., Bldg. 83 Wilsonville OR OREGON 97070 Director Sandeep Nijhawan 26440 SW Parkway Ave., Bldg. 83 Wilsonville OR OREGON 97070 Director Kyle Teamey 26440 SW Parkway Ave., Bldg. 83 Wilsonville OR OREGON 97070 Director Alexi Wellman 26440 SW Parkway Ave., Bldg. 83 Wilsonville OR OREGON 97070 Director Kelly Goodman 26440 SW Parkway Ave., Bldg. 83 Wilsonville OR OREGON 97070 Executive Officer Anthony Rabb 26440 SW Parkway Ave., Bldg. 83 Wilsonville OR OREGON 97070 Executive Officer Manufacturing Decline to Disclose 06b false 2025-07-10 false true true false 585000 900000 900000 0 false 7 0 0 0 false ESS Tech, Inc. /s/ ANTHONY RABB Anthony Rabb Chief Financial Officer 2025-07-23