ESS Tech, Inc.

ESS Tech, Inc. (NYSE: GWH) is a long-duration energy storage company that became publicly traded in October 2021 through a business combination with ACON S2 Acquisition Corp., a special purpose acquisition company sponsored by ACON Investments. ACON S2 completed its initial public offering in 2020, targeting the clean energy and industrials sector. ESS Tech designs and manufactures iron flow battery systems for commercial and utility-scale energy storage applications. The 10-Q filed November 22, 2021, accession number 0001193125-21-336853, represents one of the company's earliest quarterly disclosures as a newly public entity following the completed de-SPAC transaction. Sign up at SpacDesk for full filing history, financials, and SPAC analytics on GWH and hundreds of other transactions.