ESS Tech, Inc. — 424B3 Filings
15 424B3 filings on record
This page lists all 424B3 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 15 424B3 documents with the SEC since 2020. To view all SEC filings by ESS Tech, Inc., see the full filings list.
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 |
|---|---|---|---|---|
| 424B3 | 424B3 | 0001628280-25-056592 | Dec 11, 2025 | — |
| 424B3 | 424B3 | 0001628280-25-034764 | Jul 11, 2025 | — |
| 424B3 | 424B3 | 0001628280-23-041685 | Dec 15, 2023 | — |
| 424B3 | 424B3 | 0001628280-22-030336 | Nov 17, 2022 | — |
| 424B3 | 424B3 | 0001628280-22-027115 | Oct 27, 2022 | — |
| 424B3 | 424B3 | 0001628280-22-023780 | Aug 26, 2022 | — |
| 424B3 | 424B3 | 0001628280-22-022534 | Aug 12, 2022 | — |
| 424B3 | 424B3 | 0001628280-22-006475 | Mar 17, 2022 | — |
| 424B3 | 424B3 | 0001193125-21-362533 | Dec 20, 2021 | — |
| 424B3 | 424B3 | 0001193125-21-337036 | Nov 23, 2021 | — |
| 424B3 | 424B3 | 0001193125-21-337030 | Nov 23, 2021 | — |
| 424B3 | 424B3 | 0001193125-21-330668 | Nov 16, 2021 | — |
| 424B3 | 424B3 | 0001193125-21-330141 | Nov 15, 2021 | — |
| 424B3 | 424B3 | 0001193125-21-326126 | Nov 10, 2021 | — |
| 424B3 | 424B3 | 0001193125-21-272876 | Sep 14, 2021 | — |