Form 8-K - Current report:
SEC Accession No. 0001819438-26-000044
Filing Date
2026-06-15
Accepted
2026-06-15 08:59:55
Documents
14
Period of Report
2026-06-09
Items
Item 3.01: Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K wk-20260609.htm   iXBRL 8-K 37242
2 EX-99.1 esspressrelease2026nysedef.htm EX-99.1 12667
7 image.jpg GRAPHIC 11778
  Complete submission text file 0001819438-26-000044.txt   236521

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wk-20260609.xsd EX-101.SCH 2976
4 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wk-20260609_def.xml EX-101.DEF 16538
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT wk-20260609_lab.xml EX-101.LAB 30331
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wk-20260609_pre.xml EX-101.PRE 17325
17 EXTRACTED XBRL INSTANCE DOCUMENT wk-20260609_htm.xml XML 4293
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: 8-K | Act: 34 | File No.: 001-39525 | Film No.: 261089166
SIC: 3690 Miscellaneous Electrical Machinery, Equipment & Supplies
(CF Office: 04 Manufacturing)