ESS Tech, Inc. — DEFA14A Filings
5 DEFA14A filings on record
This page lists all DEFA14A 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 5 DEFA14A 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 |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0001819438-25-000051 | Oct 7, 2025 | — |
| DEFA14A | DEFA14A | 0001628280-24-015074 | Apr 5, 2024 | — |
| DEFA14A | DEFA14A | 0001628280-23-015240 | May 3, 2023 | — |
| DEFA14A | DEF 14A | 0001628280-23-015237 | May 3, 2023 | — |
| DEFA14A | DEFA14A | 0001628280-23-011115 | Apr 7, 2023 | — |