Company Description

ESS Tech, Inc., an energy storage company, engages in the design and production of iron flow batteries for commercial and utility-scale energy storage applications worldwide.

It offers energy storage products, which include Energy Warehouse, a behind-the-meter solution; and the gigawatt-hour energy base storage product, a fully configurable layout that integrates with any site location and that allows the power to be decoupled from the capacity.

The company was founded in 2011 and is headquartered in Wilsonville, Oregon.

ESS Tech, Inc.

Country	United States
Founded	2011
Industry	Electrical Equipment & Parts
Sector	Industrials
Employees	62
CEO	Drew Buckley

Contact Details

Address: Building 83, 26440 SW Parkway Avenue Wilsonville, Oregon 97070 United States
Phone	855 423 9920
Website	essinc.com

Stock Details

Ticker Symbol	GWH
Exchange	NYSE
Stock Type	Common Stock
Fiscal Year	January - December
Reporting Currency	USD
CIK Code	1819438
CUSIP Number	26916J205
ISIN Number	US26916J2050
Employer ID	98-1550150
SIC Code	3690

Key Executives

Name	Position
Drew Buckley	Chief Executive Officer and Director
Kate Suhadolnik	Chief Financial Officer
Jigish Trivedi	Chief Operating Officer
Brian Lisiecki	Chief Information Officer
Erik Bylin	Head of Investor Relations
Kelly F. Goodman J.D.	Chief Strategy Officer, General Counsel and Corporate Secretary
Paul Notti	Vice President of Sales and Business Development
Randall Selesky	Chief Commercial Officer

Latest SEC Filings

Date	Type	Title
Mar 5, 2026	S-8	Securities to be offered to employees in employee benefit plans
Mar 5, 2026	10-K	Annual Report
Mar 5, 2026	8-K	Current Report
Feb 17, 2026	SCHEDULE 13G	Filing
Jan 30, 2026	8-K	Current Report
Jan 30, 2026	424B5	Filing
Jan 29, 2026	8-K	Current Report
Jan 6, 2026	8-K	Current Report
Dec 11, 2025	EFFECT	Notice of Effectiveness
Dec 11, 2025	424B3	Prospectus

View All SEC Filings