ESS Tech, Inc. SEC EDGAR Filings (CIK 0001819438)

SEC EDGAR filings, ownership reports, and insider transactions for ESS Tech, Inc..

Symbol
GWH, GWH-WT on NYSE
Industry
Miscellaneous Electrical Machinery, Equipment & Supplies (Office Of Manufacturing)
Business address
26440 Sw Parkway Ave., Bldg. 83, Wilsonville, OR, 97070
State of incorporation
DE
Fiscal year end
31 December
Former names
ACON S2 Acquisition Corp. (to 08 Oct 2021)
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ESS Tech, Inc. has filed 422 SEC EDGAR filings since 31 Jul 2020

Latest Filings

Recent SEC filings for ESS Tech, Inc. including 8-K, 424B5, 4 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Jan 2026 29 Jan 2026 001-39525
424B5 Open 424B5 document View SEC filing for 424B5 424B5 30 Jan 2026 333-291506
4 Open 4 document View SEC filing for 4 FORM 4 29 Jan 2026 28 Jan 2026
3 Open 3 document View SEC filing for 3 FORM 3 29 Jan 2026 01 Jan 2026
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Jan 2026 23 Jan 2026 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Jan 2026 01 Jan 2026 001-39525
EFFECT Open EFFECT document View SEC filing for EFFECT 11 Dec 2025 333-291506
424B3 Open 424B3 document View SEC filing for 424B3 424B3 11 Dec 2025 333-291506
424B5 Open 424B5 document View SEC filing for 424B5 424B5 11 Dec 2025 333-291506
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Dec 2025 04 Dec 2025 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 21 Nov 2025 20 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 21 Nov 2025 20 Nov 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Nov 2025 13 Nov 2025 001-39525
S-3 Open S-3 document | Open XBRL data View SEC filing for S-3 S-3 13 Nov 2025 333-291506
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Nov 2025 13 Nov 2025 001-39525
424B5 Open 424B5 document View SEC filing for 424B5 424B5 13 Nov 2025 333-268138
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 Nov 2025 30 Sep 2025 001-39525
424B2 Open 424B2 document View SEC filing for 424B2 424B2 22 Oct 2025 333-268138
424B2 Open 424B2 document View SEC filing for 424B2 424B2 17 Oct 2025 333-268138
424B2 Open 424B2 document View SEC filing for 424B2 424B2 15 Oct 2025 333-268138
4 Open 4 document View SEC filing for 4 FORM 4 15 Oct 2025 13 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 15 Oct 2025 13 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 15 Oct 2025 13 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 15 Oct 2025 13 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 15 Oct 2025 13 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 15 Oct 2025 13 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 15 Oct 2025 13 Oct 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Oct 2025 14 Oct 2025 001-39525
424B2 Open 424B2 document View SEC filing for 424B2 424B2 14 Oct 2025 333-268138
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Oct 2025 13 Oct 2025 001-39525
424B2 Open 424B2 document View SEC filing for 424B2 424B2 10 Oct 2025 333-268138
424B2 Open 424B2 document View SEC filing for 424B2 424B2 09 Oct 2025 333-268138
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 07 Oct 2025 001-39525
424B2 Open 424B2 document View SEC filing for 424B2 424B2 07 Oct 2025 333-268138
424B2 Open 424B2 document View SEC filing for 424B2 424B2 30 Sep 2025 333-268138
144 Open 144 document View SEC filing for 144 25 Sep 2025 001-39525
424B2 Open 424B2 document View SEC filing for 424B2 424B2 25 Sep 2025 333-268138
ARS Open ARS document View SEC filing for ARS ARS 22 Sep 2025 22 Sep 2025 001-39525
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 22 Sep 2025 22 Sep 2025 001-39525
424B2 Open 424B2 document View SEC filing for 424B2 424B2 19 Sep 2025 333-268138
144 Open 144 document View SEC filing for 144 17 Sep 2025 001-39525
424B2 Open 424B2 document View SEC filing for 424B2 424B2 16 Sep 2025 333-268138
144 Open 144 document View SEC filing for 144 10 Sep 2025 001-39525
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 09 Sep 2025 09 Sep 2025 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 05 Sep 2025 18 Aug 2025
424B2 Open 424B2 document View SEC filing for 424B2 424B2 05 Sep 2025 333-268138
144 Open 144 document View SEC filing for 144 04 Sep 2025 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Aug 2025 29 Aug 2025 001-39525
144 Open 144 document View SEC filing for 144 29 Aug 2025 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 29 Aug 2025 20 Aug 2025
3 Open 3 document View SEC filing for 3 FORM 3 28 Aug 2025 01 Aug 2025
3 Open 3 document View SEC filing for 3 FORM 3 28 Aug 2025 18 Aug 2025
424B2 Open 424B2 document View SEC filing for 424B2 424B2 28 Aug 2025 333-268138
4 Open 4 document View SEC filing for 4 FORM 4 21 Aug 2025 20 Aug 2025
424B2 Open 424B2 document View SEC filing for 424B2 424B2 21 Aug 2025 333-268138
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Aug 2025 12 Aug 2025 001-39525
424B2 Open 424B2 document View SEC filing for 424B2 424B2 15 Aug 2025 333-268138
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Aug 2025 30 Jun 2025 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Aug 2025 14 Aug 2025 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Aug 2025 01 Aug 2025 001-39525
424B2 Open 424B2 document View SEC filing for 424B2 424B2 28 Jul 2025 333-268138
D Open D document View SEC filing for D 23 Jul 2025 021-552625
424B2 Open 424B2 document View SEC filing for 424B2 424B2 22 Jul 2025 333-268138
424B2 Open 424B2 document View SEC filing for 424B2 424B2 15 Jul 2025 333-268138
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Jul 2025 09 Jul 2025 001-39525
424B2 Open 424B2 document View SEC filing for 424B2 424B2 11 Jul 2025 333-268138
424B3 Open 424B3 document View SEC filing for 424B3 424B3 11 Jul 2025 333-268138
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Jun 2025 03 Jun 2025 001-39525
SD Open SD document View SEC filing for SD SD 30 May 2025 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 May 2025 27 May 2025 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 22 May 2025 20 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 22 May 2025 20 May 2025
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2025 31 Mar 2025 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2025 15 May 2025 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 15 Apr 2025 20 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 15 Apr 2025 13 Apr 2025
4 Open 4 document View SEC filing for 4 FORM 4 04 Apr 2025 10 Feb 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Mar 2025 31 Mar 2025 001-39525
424B5 Open 424B5 document View SEC filing for 424B5 424B5 31 Mar 2025 333-268138
S-8 Open S-8 document View SEC filing for S-8 S-8 31 Mar 2025 333-286259
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 31 Mar 2025 31 Dec 2024 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Mar 2025 31 Mar 2025 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Mar 2025 24 Mar 2025 001-39525
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 03 Mar 2025 005-91696
3 Open 3 document View SEC filing for 3 FORM 3 14 Feb 2025 13 Feb 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Feb 2025 13 Feb 2025 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 18 Nov 2024 18 Nov 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2024 30 Sep 2024 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Nov 2024 13 Nov 2024 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Nov 2024 01 Nov 2024 001-39525
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 01 Nov 2024 005-91696
4 Open 4 document View SEC filing for 4 FORM 4 17 Sep 2024 11 Sep 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Sep 2024 29 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Sep 2024 30 Aug 2024
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 26 Aug 2024 23 Aug 2024 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Aug 2024 23 Aug 2024 001-39525
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Aug 2024 30 Jun 2024 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Aug 2024 14 Aug 2024 001-39525
DEFR14A Open DEFR14A document | Open XBRL data View SEC filing for DEFR14A DEFR14A 08 Aug 2024 001-39525
PRE 14A Open PRE 14A document | Open XBRL data View SEC filing for PRE 14A PRE 14A 29 Jul 2024 26 Jul 2024 001-39525
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 26 Jul 2024 26 Jul 2024 001-39525
SD Open SD document View SEC filing for SD SD 24 May 2024 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 May 2024 21 May 2024 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 17 May 2024 15 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 17 May 2024 17 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 17 May 2024 17 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 17 May 2024 17 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 17 May 2024 17 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 17 May 2024 17 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 17 May 2024 17 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 15 May 2024 14 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 13 May 2024 10 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 09 May 2024 09 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 08 May 2024 07 Mar 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 May 2024 31 Mar 2024 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2024 07 May 2024 001-39525
ARS Open ARS document View SEC filing for ARS ARS 05 Apr 2024 05 Apr 2024 001-39525
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 05 Apr 2024 001-39525
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 05 Apr 2024 05 Apr 2024 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 18 Mar 2024 15 Mar 2024
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 14 Mar 2024 31 Dec 2023 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Mar 2024 13 Mar 2024 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Mar 2024 06 Mar 2024 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 16 Feb 2024 15 Feb 2024
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 16 Feb 2024 13 Mar 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024 005-91696
S-8 Open S-8 document View SEC filing for S-8 S-8 09 Feb 2024 333-276988
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 31 Jan 2024 005-91696
424B3 Open 424B3 document View SEC filing for 424B3 424B3 15 Dec 2023 333-275552
EFFECT Open EFFECT document View SEC filing for EFFECT 14 Dec 2023 333-275552
CORRESP Open CORRESP document View SEC filing for CORRESP 12 Dec 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 07 Dec 2023
S-3/A Open S-3/A document View SEC filing for S-3/A S-3/A 07 Dec 2023 333-275552
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 20 Nov 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 Nov 2023 16 Nov 2023
4 Open 4 document View SEC filing for 4 FORM 4 15 Nov 2023 15 Nov 2023
4 Open 4 document View SEC filing for 4 FORM 4 14 Nov 2023 14 Nov 2023
S-3 Open S-3 document View SEC filing for S-3 S-3 14 Nov 2023 333-275552
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2023 30 Sep 2023 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2023 13 Nov 2023
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2023 13 Nov 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Nov 2023 07 Nov 2023 001-39525
D Open D document View SEC filing for D 26 Sep 2023 021-493085
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 25 Sep 2023 005-91696
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 25 Sep 2023 21 Sep 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Sep 2023 25 Sep 2023 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 06 Sep 2023 05 Sep 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 Aug 2023 28 Aug 2023
3 Open 3 document View SEC filing for 3 FORM 3 30 Aug 2023 28 Aug 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Aug 2023 28 Aug 2023 001-39525
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2023 30 Jun 2023 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Aug 2023 08 Aug 2023 001-39525
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 13 Jul 2023 005-91696
4 Open 4 document View SEC filing for 4 FORM 4 24 May 2023 19 May 2023
3 Open 3 document View SEC filing for 3 FORM 3 24 May 2023 19 May 2023
SD Open SD document View SEC filing for SD SD 24 May 2023 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 May 2023 22 May 2023 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 22 May 2023 19 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 17 May 2023 16 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 May 2023 16 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 16 May 2023 15 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 15 May 2023 12 May 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 May 2023 31 Mar 2023 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 May 2023 09 May 2023 001-39525
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 03 May 2023 001-39525
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEF 14A 03 May 2023 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 May 2023 03 May 2023 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 26 Apr 2023 26 Apr 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Apr 2023 10 Apr 2023 001-39525
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 07 Apr 2023 001-39525
ARS Open ARS document View SEC filing for ARS ARS 07 Apr 2023 31 Dec 2022 001-39525
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 07 Apr 2023 19 May 2023 001-39525
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 29 Mar 2023 005-91696
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 23 Mar 2023 19 May 2023 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2023 13 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2023 13 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 07 Mar 2023 06 Mar 2023
4 Open 4 document View SEC filing for 4 FORM 4 07 Mar 2023 07 Mar 2023
S-8 Open S-8 document View SEC filing for S-8 S-8 02 Mar 2023 333-270211
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 02 Mar 2023 31 Dec 2022 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Mar 2023 01 Mar 2023 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 23 Feb 2023 21 Feb 2023
4 Open 4 document View SEC filing for 4 FORM 4 23 Feb 2023 21 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2023 005-91696
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 09 Feb 2023 005-91696
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 06 Feb 2023 005-91696
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 30 Jan 2023 005-91696
4 Open 4 document View SEC filing for 4 FORM 4 16 Dec 2022 15 Dec 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Nov 2022 25 Nov 2022 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 22 Nov 2022 21 Nov 2022
4 Open 4 document View SEC filing for 4 FORM 4 22 Nov 2022 18 Nov 2022
EFFECT Open EFFECT document View SEC filing for EFFECT 17 Nov 2022 333-268138
EFFECT Open EFFECT document View SEC filing for EFFECT 17 Nov 2022 333-263316
424B3 Open 424B3 document View SEC filing for 424B3 424B3 17 Nov 2022 333-263316
CORRESP Open CORRESP document View SEC filing for CORRESP 15 Nov 2022
3/A Open 3/A document View SEC filing for 3/A FORM 3/A 10 Nov 2022 10 Nov 2022
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Nov 2022
3 Open 3 document View SEC filing for 3 FORM 3 08 Nov 2022 04 Nov 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 07 Nov 2022 04 Nov 2022
S-3 Open S-3 document View SEC filing for S-3 S-3 03 Nov 2022 333-268138
POS AM Open POS AM document View SEC filing for POS AM POS AM 03 Nov 2022 333-263316
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Nov 2022 30 Sep 2022 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Nov 2022 03 Nov 2022 001-39525
424B3 Open 424B3 document View SEC filing for 424B3 424B3 27 Oct 2022 333-263316
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Oct 2022 21 Oct 2022 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 20 Oct 2022 19 Oct 2022
4 Open 4 document View SEC filing for 4 FORM 4 19 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 FORM 4 19 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 FORM 4 19 Oct 2022 17 Oct 2022
4 Open 4 document View SEC filing for 4 FORM 4 18 Oct 2022 17 Oct 2022
424B3 Open 424B3 document View SEC filing for 424B3 424B3 26 Aug 2022 333-263316
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Aug 2022 26 Aug 2022 001-39525
424B3 Open 424B3 document View SEC filing for 424B3 424B3 12 Aug 2022 333-263316
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Aug 2022 30 Jun 2022 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Aug 2022 11 Aug 2022 001-39525
424B8 Open 424B8 document View SEC filing for 424B8 424B8 30 Jun 2022 333-263316
4 Open 4 document View SEC filing for 4 FORM 4 03 Jun 2022 01 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Jun 2022 01 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Jun 2022 01 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Jun 2022 01 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Jun 2022 01 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 03 Jun 2022 01 Jun 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Jun 2022 01 Jun 2022 001-39525
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 May 2022 31 Mar 2022 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 May 2022 12 May 2022 001-39525
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 22 Apr 2022 01 Jun 2022 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Mar 2022 30 Mar 2022 001-39525
424B3 Open 424B3 document View SEC filing for 424B3 424B3 17 Mar 2022 333-263316
EFFECT Open EFFECT document View SEC filing for EFFECT 16 Mar 2022 333-263316
CORRESP Open CORRESP document View SEC filing for CORRESP 14 Mar 2022
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 14 Mar 2022
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 S-1 04 Mar 2022 333-263316
S-8 Open S-8 document View SEC filing for S-8 S-8 04 Mar 2022 333-263281
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 04 Mar 2022 31 Dec 2021 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2022 01 Mar 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Feb 2022 24 Feb 2022 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Feb 2022 17 Feb 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Feb 2022 17 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Feb 2022 16 Feb 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Feb 2022 14 Feb 2022 001-39525
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2022 005-91696
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2022 005-91696
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 11 Feb 2022 005-91696
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 1 TO SCHEDULE 13G 11 Feb 2022 005-91696
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 11 Feb 2022 005-91696
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Feb 2022 08 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Feb 2022 08 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Feb 2022 08 Feb 2022
SC 13G Open SC 13G document View SEC filing for SC 13G 09 Feb 2022 005-91696
RW Open RW document View SEC filing for RW RW 08 Feb 2022 333-261900
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 28 Jan 2022 005-91696
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Jan 2022 24 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Jan 2022 24 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2022 17 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2022 17 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jan 2022 04 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jan 2022 04 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jan 2022 04 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jan 2022 04 Jan 2022
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 S-1 27 Dec 2021 333-261900
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Dec 2021 17 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Dec 2021 17 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Dec 2021 17 Dec 2021
424B3 Open 424B3 document View SEC filing for 424B3 424B3 20 Dec 2021 333-260693
S-8 Open S-8 document View SEC filing for S-8 S-8 15 Dec 2021 333-261649
EFFECT Open EFFECT document View SEC filing for EFFECT 13 Dec 2021 333-260693
POS AM Open POS AM document | Open XBRL data View SEC filing for POS AM POS AM 09 Dec 2021 333-260693
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A 10-Q/A 06 Dec 2021 30 Jun 2021 001-39525
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10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A 10-K/A 03 Dec 2021 31 Dec 2020 001-39525
424B3 Open 424B3 document View SEC filing for 424B3 424B3 23 Nov 2021 333-260693
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8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Nov 2021 22 Nov 2021 001-39525
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 22 Nov 2021 30 Sep 2021 001-39525
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 22 Nov 2021 005-91696
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Nov 2021 15 Nov 2021
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Nov 2021 09 Nov 2021
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Nov 2021 15 Nov 2021
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4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 17 Nov 2021 09 Nov 2021
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424B3 Open 424B3 document View SEC filing for 424B3 424B3 16 Nov 2021 333-260693
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 16 Nov 2021 30 Sep 2021 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Nov 2021 15 Nov 2021 001-39525
424B3 Open 424B3 document View SEC filing for 424B3 424B3 15 Nov 2021 333-260693
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Nov 2021 09 Nov 2021 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Nov 2021 09 Nov 2021
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 12 Nov 2021 09 Nov 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Nov 2021 09 Nov 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Nov 2021 09 Nov 2021
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EFFECT Open EFFECT document View SEC filing for EFFECT 10 Nov 2021 333-260693
424B3 Open 424B3 document View SEC filing for 424B3 424B3 10 Nov 2021 333-260693
CORRESP Open CORRESP document View SEC filing for CORRESP 08 Nov 2021
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Nov 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Nov 2021 28 Oct 2021 001-39525
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 FORM S-1 03 Nov 2021 333-260693
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Oct 2021 22 Oct 2021 001-39525
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 25 Oct 2021 005-91696
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 21 Oct 2021 005-91696
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8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Oct 2021 20 Oct 2021 001-39525
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Oct 2021 08 Oct 2021
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3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Oct 2021 08 Oct 2021
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3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Oct 2021 08 Oct 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Oct 2021 08 Oct 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Oct 2021 08 Oct 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Oct 2021 08 Oct 2021
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 18 Oct 2021 08 Oct 2021
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 18 Oct 2021 005-91696
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8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Oct 2021 08 Oct 2021 001-39525
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Oct 2021 08 Oct 2021
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Oct 2021 08 Oct 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Oct 2021 08 Oct 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Oct 2021 11 Oct 2021 001-39525
CERT Open CERT document View SEC filing for CERT NYSE CERTIFICATION 08 Oct 2021 001-39525
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 08 Oct 2021 001-39525
25 Open 25 document View SEC filing for 25 25 08 Oct 2021 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Oct 2021 05 Oct 2021 001-39525
425 Open 425 document View SEC filing for 425 425 01 Oct 2021 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Oct 2021 01 Oct 2021 001-39525
425 Open 425 document View SEC filing for 425 425 28 Sep 2021 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Sep 2021 28 Sep 2021 001-39525
425 Open 425 document View SEC filing for 425 425 23 Sep 2021 001-39525
425 Open 425 document View SEC filing for 425 425 15 Sep 2021 001-39525
EFFECT Open EFFECT document View SEC filing for EFFECT 14 Sep 2021 333-257232
425 Open 425 document View SEC filing for 425 425 14 Sep 2021 001-39525
424B3 Open 424B3 document View SEC filing for 424B3 424B3 14 Sep 2021 333-257232
SEC STAFF LETTER Open SEC STAFF LETTER document View SEC filing for SEC STAFF LETTER 14 Sep 2021
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Sep 2021
425 Open 425 document View SEC filing for 425 425 09 Sep 2021 001-39525
S-4/A Open S-4/A document View SEC filing for S-4/A S-4/A 09 Sep 2021 333-257232
425 Open 425 document View SEC filing for 425 425 02 Sep 2021 001-39525
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Sep 2021 02 Sep 2021 001-39525
CORRESP Open CORRESP document View SEC filing for CORRESP 26 Aug 2021
S-4/A Open S-4/A document | Open XBRL data View SEC filing for S-4/A S-4/A 26 Aug 2021 333-257232
425 Open 425 document View SEC filing for 425 425 26 Aug 2021 001-39525
425 Open 425 document View SEC filing for 425 425 24 Aug 2021 001-39525
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 18 Aug 2021 30 Jun 2021 001-39525
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 16 Aug 2021 30 Jun 2021 001-39525
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 12 Aug 2021
425 Open 425 document View SEC filing for 425 425 04 Aug 2021 001-39525
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Aug 2021 03 Aug 2021 001-39525
425 Open 425 document View SEC filing for 425 425 02 Aug 2021 001-39525
CORRESP Open CORRESP document View SEC filing for CORRESP 28 Jul 2021
S-4/A Open S-4/A document View SEC filing for S-4/A S-4/A 28 Jul 2021 333-257232
SEC STAFF LETTER Open SEC STAFF LETTER document View SEC filing for SEC STAFF LETTER 16 Jul 2021
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 16 Jul 2021
425 Open 425 document View SEC filing for 425 425 09 Jul 2021 001-39525
425 Open 425 document View SEC filing for 425 425 09 Jul 2021 001-39525
S-4 Open S-4 document | Open XBRL data View SEC filing for S-4 S-4 21 Jun 2021 333-257232
425 Open 425 document View SEC filing for 425 425 16 Jun 2021 001-39525
425 Open 425 document View SEC filing for 425 425 11 Jun 2021 001-39525
425 Open 425 document View SEC filing for 425 425 09 Jun 2021 001-39525
425 Open 425 document View SEC filing for 425 425 07 Jun 2021 001-39525
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 24 May 2021 31 Mar 2021 001-39525
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A 10-K/A 24 May 2021 31 Dec 2020 001-39525
8-K Open 8-K document View SEC filing for 8-K 8-K 24 May 2021 24 May 2021 001-39525
425 Open 425 document View SEC filing for 425 425 20 May 2021 001-39525
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 18 May 2021 31 Mar 2021 001-39525
425 Open 425 document View SEC filing for 425 425 07 May 2021 001-39525
425 Open 425 document View SEC filing for 425 425 07 May 2021 001-39525
425 Open 425 document View SEC filing for 425 425 07 May 2021 001-39525
8-K Open 8-K document View SEC filing for 8-K 8-K 07 May 2021 06 May 2021 001-39525
425 Open 425 document View SEC filing for 425 8-K 07 May 2021 001-39525
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 31 Mar 2021 31 Dec 2020 001-39525
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 30 Mar 2021 005-91696
SC 13G Open SC 13G document View SEC filing for SC 13G 16 Feb 2021 005-91696
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 12 Feb 2021 005-91696
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Nov 2020 16 Nov 2020
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 16 Nov 2020 30 Sep 2020 001-39525
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 06 Nov 2020 06 Nov 2020 001-39525
8-K Open 8-K document View SEC filing for 8-K 8-K 25 Sep 2020 25 Sep 2020 001-39525
SC 13G Open SC 13G document View SEC filing for SC 13G 25 Sep 2020 005-91696
8-K Open 8-K document View SEC filing for 8-K 8-K 22 Sep 2020 22 Sep 2020 001-39525
424B4 Open 424B4 document View SEC filing for 424B4 424B4 18 Sep 2020 333-248515
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 17 Sep 2020 16 Sep 2020
EFFECT Open EFFECT document View SEC filing for EFFECT 16 Sep 2020 333-248515
CERT Open CERT document View SEC filing for CERT 16 Sep 2020 001-39525
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 16 Sep 2020 16 Sep 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 16 Sep 2020 16 Sep 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 16 Sep 2020 16 Sep 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 16 Sep 2020 16 Sep 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 16 Sep 2020 16 Sep 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 16 Sep 2020 16 Sep 2020
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 16 Sep 2020 16 Sep 2020
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 16 Sep 2020 001-39525
CORRESP Open CORRESP document View SEC filing for CORRESP 15 Sep 2020
CORRESP Open CORRESP document View SEC filing for CORRESP 15 Sep 2020
CORRESP Open CORRESP document View SEC filing for CORRESP 15 Sep 2020
CORRESP Open CORRESP document View SEC filing for CORRESP 15 Sep 2020
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 15 Sep 2020 333-248515
CORRESP Open CORRESP document View SEC filing for CORRESP 11 Sep 2020
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 11 Sep 2020 333-248515
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 11 Sep 2020
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 10 Sep 2020
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 09 Sep 2020 333-248515
CORRESP Open CORRESP document View SEC filing for CORRESP 31 Aug 2020
S-1 Open S-1 document View SEC filing for S-1 FORM S-1 31 Aug 2020 333-248515
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 24 Aug 2020
DRS Open DRS document View SEC filing for DRS 31 Jul 2020 377-03361

About this filer

ESS Tech, Inc. files with the SEC under CIK 0001819438. This page aggregates EDGAR filings and related ownership activity.

Industry: Miscellaneous Electrical Machinery, Equipment & Supplies.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
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Updates follow new EDGAR submissions and periodic data refreshes.

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