0001628280-23-031574.txt : 20230906 0001628280-23-031574.hdr.sgml : 20230906 20230906171128 ACCESSION NUMBER: 0001628280-23-031574 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230905 FILED AS OF DATE: 20230906 DATE AS OF CHANGE: 20230906 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Dresselhuys Eric P. CENTRAL INDEX KEY: 0001571531 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39525 FILM NUMBER: 231240065 MAIL ADDRESS: STREET 1: 555 BROADWAY STREET CITY: REDWOOD CITY STATE: CA ZIP: 94063 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ESS Tech, Inc. CENTRAL INDEX KEY: 0001819438 STANDARD INDUSTRIAL CLASSIFICATION: MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690] IRS NUMBER: 981550150 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 wk-form4_1694034678.xml FORM 4 X0508 4 2023-09-05 0 0001819438 ESS Tech, Inc. GWH 0001571531 Dresselhuys Eric P. C/O ESS TECH, INC. 26440 SW PARKWAY AVE., BLDG. 83 WILSONVILLE OR 97070 1 1 0 0 Chief Executive Officer 0 Common Stock 2023-09-05 5 A 0 E 128617 0 A 2095468 D Employee Stock Option (right to buy) 1.60 2023-09-05 5 A 0 E 192926 0 A 2024-09-05 2033-09-05 Common Stock 192926 192926 D The reported shares are represented by restricted stock units, or RSUs, which vest as to 1/3 of the RSUs on November 20, 2024 and 1/3 of the RSUs vest annually thereafter subject to the Reporting Person remaining as a Service Provider to the issuer as of each vest date. A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. 1/3 of the shares subject to the option shall vest on the one year anniversary of the date of grant and 1/3 of the shares subject to the option shall vest annually thereafter, provided that the Reporting Person remains as a Service Provider to the issuer as of each vest date. /s/ Kelly F. Goodman, by power of attorney 2023-09-06