ESS Tech, Inc. — 424B5 Filings

4 424B5 filings on record

This page lists all 424B5 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 4 424B5 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
424B5	424B5	0001628280-26-004261	Jan 30, 2026	—
424B5	424B5	0001628280-25-056591	Dec 11, 2025	—
424B5	424B5	0001628280-25-052031	Nov 13, 2025	—
424B5	424B5	0001628280-25-015699	Mar 31, 2025	—