ESS Tech(GWH) - 2021 Q3 - Quarterly Report

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the quarterly period ended September 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39525 ESS TECH, INC (Exact name of registrant as specified in its charter) Delaware 98-1550150 (State or other jurisdiction of incorporation or organization) FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTIO ...