Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001377160-25-000005
Filing Date
2025-10-15
Accepted
2025-10-15 16:51:04
Documents
1
Period of Report
2025-10-13

Document Format Files

Seq Description Document Type Size
1 FORM 4 wk-form4_1760561460.html 4  
1 FORM 4 wk-form4_1760561460.xml 4 3714
  Complete submission text file 0001377160-25-000005.txt   5274
Mailing Address 101 ASH STREET HQ18 SAN DIEGO CA 92101
Business Address
NIGGLI MICHAEL R (Reporting) CIK: 0001377160 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-39525 | Film No.: 251395425

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. (Issuer) CIK: 0001819438 (see all company filings)

EIN.: 981550150 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 3690 Miscellaneous Electrical Machinery, Equipment & Supplies
(CF Office: 04 Manufacturing)