ESS Tech, Inc.

ESS Tech, Inc. completed its business combination with ACON S2 Acquisition Corp, which traded under the SPAC ticker STWO and was sponsored by ACON Investments, in October 2021, listing on the New York Stock Exchange under the ticker GWH. The company operates in the long-duration energy storage sector, developing iron flow battery systems for commercial and grid-scale applications. ACON S2 Acquisition Corp completed its SPAC IPO in 2020, targeting clean energy and industrial technology. The Form 8-K filed in May 2024 reflects ESS Tech's continuing disclosure obligations as a post-combination public company. To access full filing histories, sponsor profiles, and deal analytics on ESS Tech and thousands of other SPAC transactions, sign up for SpacDesk.