ESS Tech, Inc. — PRE 14A Filings

3 PRE 14A filings on record

This page lists all PRE 14A filings submitted to the SEC by ESS Tech, Inc. (GWH-WT), sorted by most recent first. Each row links to the full filing on EdgarLookup. ESS Tech, Inc. has filed 3 PRE 14A documents with the SEC since 2020. To view all SEC filings by ESS Tech, Inc., see the full filings list.

Overview All Filings Financials Insiders

All 10-K 10-K/A 10-Q 10-Q/A 144 25 3 3/A 4 4/A 424B2 424B3 424B4 424B5 424B8 425 8-A12B 8-K 8-K/A ARS CERT CORRESP D DEF 14A DEFA14A DEFR14A DRS EFFECT NT 10-Q POS AM PRE 14A RW S-1 S-1/A S-3 S-3/A S-4 S-4/A S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13D/A SCHEDULE 13G SD SEC STAFF LETTER UPLOAD

Form	Description	Accession Number	Filed	Period
PRE 14A	PRE 14A	0001819438-25-000032	Sep 9, 2025	—
PRE 14A	PRE 14A	0001628280-24-033203	Jul 29, 2024	Jul 26, 2024
PRE 14A	PRE 14A	0001628280-23-009021	Mar 23, 2023	May 19, 2023