<SEC-DOCUMENT>0001628280-24-039163-index.html : 20240903
<SEC-HEADER>0001628280-24-039163.hdr.sgml : 20240903
<ACCEPTANCE-DATETIME>20240903170243
ACCESSION NUMBER:		0001628280-24-039163
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240829
FILED AS OF DATE:		20240903
DATE AS OF CHANGE:		20240903

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NIGGLI MICHAEL R
		CENTRAL INDEX KEY:			0001377160
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39525
		FILM NUMBER:		241274887

	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]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				981550150
		STATE OF INCORPORATION:			DE
		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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1725397356.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wk-form4_1725397356.html

Document 1 - RAW XML: wk-form4_1725397356.xml

</DOCUMENT>
</SEC-DOCUMENT>