0001628280-23-018718.txt : 20230517 0001628280-23-018718.hdr.sgml : 20230517 20230517162636 ACCESSION NUMBER: 0001628280-23-018718 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230516 FILED AS OF DATE: 20230517 DATE AS OF CHANGE: 20230517 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: NIGGLI MICHAEL R CENTRAL INDEX KEY: 0001377160 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39525 FILM NUMBER: 23932110 MAIL ADDRESS: STREET 1: 101 ASH STREET HQ18 CITY: SAN DIEGO STATE: CA ZIP: 92101 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 wk-form4_1684355179.xml FORM 4 X0407 4 2023-05-16 0 0001819438 ESS Tech, Inc. GWH 0001377160 NIGGLI MICHAEL R C/O ESS TECH, INC. 26440 SW PARKWAY AVE., BLDG. 83 WILSONVILLE OR 97070 1 0 0 0 0 Common Stock 2023-05-16 5 P 0 E 10000 0.8104 A 613821 D Common Stock 85228 I See footnote Common Stock 85228 I See footnote Common Stock 85228 I See footnote Common Stock 568312 I See footnote Common Stock 227407 I See footnote Common Stock 85228 I See footnote The shares are held of record by the Chloe D. Niggli Gift Trust for which the reporting person serves as trustee. The shares are held of record by the Michael R. Niggli Jr. 2021 Gift Trust for which the reporting person serves as trustee. The shares are held of record by the Lorelei A. Niggli 2021 Gift Trust for which the reporting person serves as trustee. The shares are held of record by the Linda Naviaux Niggli Trust for which the reporting person's spouse serves as trustee. The shares are held of record by the Michael R. Niggli Family Trust for which the reporting person serves as trustee. The shares are held of record by the Ian M. Niggli 2021 Gift Trust for which the reporting person serves as trustee. /s/ Kelly F. Goodman, by power of attorney 2023-05-17