0001628280-23-007910.txt : 20230314 0001628280-23-007910.hdr.sgml : 20230314 20230314175619 ACCESSION NUMBER: 0001628280-23-007910 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230313 FILED AS OF DATE: 20230314 DATE AS OF CHANGE: 20230314 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Rabb Anthony CENTRAL INDEX KEY: 0001953607 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39525 FILM NUMBER: 23732354 MAIL ADDRESS: STREET 1: C/O ESS TECH, INC. STREET 2: 26440 SW PARKWAY AVE., BLDG 83 CITY: WILSONVILLE STATE: OR ZIP: 97070 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ESS Tech, Inc. CENTRAL INDEX KEY: 0001819438 STANDARD INDUSTRIAL CLASSIFICATION: MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690] IRS NUMBER: 000000000 STATE OF INCORPORATION: E9 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 26440 SW PARKWAY AVE. STREET 2: BLDG. 83 CITY: WILSONVILLE STATE: OR ZIP: 97070 BUSINESS PHONE: (855) 423-9920 MAIL ADDRESS: STREET 1: 26440 SW PARKWAY AVE. STREET 2: BLDG. 83 CITY: WILSONVILLE STATE: OR ZIP: 97070 FORMER COMPANY: FORMER CONFORMED NAME: ACON S2 Acquisition Corp. DATE OF NAME CHANGE: 20200728 4 1 wf-form4_167883096826416.xml FORM 4 X0306 4 2023-03-13 0 0001819438 ESS Tech, Inc. GWH 0001953607 Rabb Anthony C/O ESS TECH, INC. 26440 SW PARKWAY AVE., BLDG. 83 WILSONVILLE OR 97070 0 1 0 0 Chief Financial Officer Common Stock 2023-03-13 4 A 0 77949 0 A 693965 D The shares are represented by restricted stock units, or RSUs, which vest in 16 equal quarterly installments beginning on May 20, 2023. /s/ Kelly F. Goodman, by power of attorney 2023-03-14