SEC Filings for ESS Tech, Inc. (GWH)

Last updated: 2026-03-05 23:07 UTC | Total filings: 428

Browse the latest SEC filings and forms submitted by ESS Tech, Inc. (GWH). Access annual reports, quarterly statements, and other official disclosures.

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Form Filing Date Description Link
S-8 March 5, 2026 S-8 View Document
8-K March 5, 2026 8-K View Document
10-K March 5, 2026 10-K View Document
4 Feb. 26, 2026 - View Document
4 Feb. 26, 2026 - View Document
4 Feb. 26, 2026 - View Document
4 Feb. 26, 2026 - View Document
SCHEDULE 13G Feb. 17, 2026 - View Document
424B5 Jan. 30, 2026 424B5 View Document
8-K Jan. 30, 2026 8-K View Document
4 Jan. 29, 2026 FORM 4 View Document
8-K Jan. 29, 2026 8-K View Document
3 Jan. 29, 2026 FORM 3 View Document
8-K Jan. 6, 2026 8-K View Document
EFFECT Dec. 11, 2025 - View Document
424B3 Dec. 11, 2025 424B3 View Document
424B5 Dec. 11, 2025 424B5 View Document
8-K Dec. 5, 2025 8-K View Document
4 Nov. 21, 2025 FORM 4 View Document
4 Nov. 21, 2025 FORM 4 View Document
10-Q Nov. 13, 2025 10-Q View Document
S-3 Nov. 13, 2025 S-3 View Document
8-K Nov. 13, 2025 8-K View Document
8-K Nov. 13, 2025 8-K View Document
424B5 Nov. 13, 2025 424B5 View Document
424B2 Oct. 22, 2025 424B2 View Document
424B2 Oct. 17, 2025 424B2 View Document
4 Oct. 15, 2025 FORM 4 View Document
424B2 Oct. 15, 2025 424B2 View Document
4 Oct. 15, 2025 FORM 4 View Document
4 Oct. 15, 2025 FORM 4 View Document
4 Oct. 15, 2025 FORM 4 View Document
4 Oct. 15, 2025 FORM 4 View Document
4 Oct. 15, 2025 FORM 4 View Document
4 Oct. 15, 2025 FORM 4 View Document
8-K Oct. 14, 2025 8-K View Document
424B2 Oct. 14, 2025 424B2 View Document
8-K Oct. 14, 2025 8-K View Document
424B2 Oct. 10, 2025 424B2 View Document
424B2 Oct. 9, 2025 424B2 View Document
424B2 Oct. 7, 2025 424B2 View Document
DEFA14A Oct. 7, 2025 DEFA14A View Document
424B2 Sept. 30, 2025 424B2 View Document
424B2 Sept. 25, 2025 424B2 View Document
144 Sept. 25, 2025 - View Document
ARS Sept. 22, 2025 ARS View Document
DEF 14A Sept. 22, 2025 DEF 14A View Document
424B2 Sept. 19, 2025 424B2 View Document
144 Sept. 17, 2025 - View Document
424B2 Sept. 16, 2025 424B2 View Document
144 Sept. 10, 2025 - View Document
PRE 14A Sept. 9, 2025 PRE 14A View Document
424B2 Sept. 5, 2025 424B2 View Document
4 Sept. 5, 2025 FORM 4 View Document
144 Sept. 4, 2025 - View Document
4 Aug. 29, 2025 FORM 4 View Document
8-K Aug. 29, 2025 8-K View Document
144 Aug. 29, 2025 - View Document
3 Aug. 28, 2025 FORM 3 View Document
3 Aug. 28, 2025 FORM 3 View Document
424B2 Aug. 28, 2025 424B2 View Document
4 Aug. 21, 2025 FORM 4 View Document
424B2 Aug. 21, 2025 424B2 View Document
8-K Aug. 18, 2025 8-K View Document
424B2 Aug. 15, 2025 424B2 View Document
10-Q Aug. 14, 2025 10-Q View Document
8-K Aug. 14, 2025 8-K View Document
8-K Aug. 7, 2025 8-K View Document
424B2 July 28, 2025 424B2 View Document
D July 23, 2025 - View Document
424B2 July 22, 2025 424B2 View Document
424B2 July 15, 2025 424B2 View Document
424B3 July 11, 2025 424B3 View Document
424B2 July 11, 2025 424B2 View Document
8-K July 11, 2025 8-K View Document
8-K June 4, 2025 8-K View Document
SD May 30, 2025 SD View Document
8-K May 28, 2025 8-K View Document
4 May 22, 2025 FORM 4 View Document
4 May 22, 2025 FORM 4 View Document
8-K May 15, 2025 8-K View Document
10-Q May 15, 2025 10-Q View Document
4 April 15, 2025 FORM 4 View Document
4 April 15, 2025 FORM 4 View Document
4 April 4, 2025 FORM 4 View Document
424B5 March 31, 2025 424B5 View Document
S-8 March 31, 2025 S-8 View Document
10-K March 31, 2025 10-K View Document
8-K March 31, 2025 8-K View Document
8-K March 31, 2025 8-K View Document
8-K March 28, 2025 8-K View Document
SCHEDULE 13D/A March 3, 2025 - View Document
8-K Feb. 14, 2025 8-K View Document
3 Feb. 14, 2025 FORM 3 View Document
4 Nov. 18, 2024 FORM 4 View Document
10-Q Nov. 14, 2024 10-Q View Document
8-K Nov. 13, 2024 8-K View Document
8-K Nov. 5, 2024 8-K View Document
SC 13D/A Nov. 1, 2024 SC 13D/A View Document
4 Sept. 17, 2024 FORM 4 View Document
4 Sept. 3, 2024 FORM 4 View Document
4 Sept. 3, 2024 FORM 4 View Document
8-K/A Aug. 26, 2024 8-K/A View Document
8-K Aug. 23, 2024 8-K View Document
8-K Aug. 14, 2024 8-K View Document
10-Q Aug. 14, 2024 10-Q View Document
DEFR14A Aug. 8, 2024 DEFR14A View Document
PRE 14A July 29, 2024 PRE 14A View Document
DEF 14A July 26, 2024 DEF 14A View Document
SD May 24, 2024 SD View Document
8-K May 21, 2024 8-K View Document
4 May 17, 2024 FORM 4 View Document
4 May 17, 2024 FORM 4 View Document
4 May 17, 2024 FORM 4 View Document
4 May 17, 2024 FORM 4 View Document
4 May 17, 2024 FORM 4 View Document
4 May 17, 2024 FORM 4 View Document
4 May 17, 2024 FORM 4 View Document
4 May 15, 2024 FORM 4 View Document
4 May 13, 2024 FORM 4 View Document
4 May 9, 2024 FORM 4 View Document
10-Q May 8, 2024 10-Q View Document
4 May 8, 2024 FORM 4 View Document
8-K May 7, 2024 8-K View Document
ARS April 5, 2024 ARS View Document
DEF 14A April 5, 2024 DEF 14A View Document
DEFA14A April 5, 2024 DEFA14A View Document
4 March 18, 2024 FORM 4 View Document
10-K March 14, 2024 10-K View Document
8-K March 13, 2024 8-K View Document
8-K March 8, 2024 8-K View Document
4/A Feb. 16, 2024 FORM 4/A View Document
4 Feb. 16, 2024 FORM 4 View Document
SC 13G/A Feb. 14, 2024 SC 13G/A View Document
S-8 Feb. 9, 2024 S-8 View Document
SC 13G/A Jan. 31, 2024 - View Document
424B3 Dec. 15, 2023 424B3 View Document
EFFECT Dec. 14, 2023 - View Document
CORRESP Dec. 12, 2023 - View Document
S-3/A Dec. 7, 2023 S-3/A View Document
CORRESP Dec. 7, 2023 - View Document
UPLOAD Nov. 20, 2023 - View Document
4 Nov. 16, 2023 FORM 4 View Document
4 Nov. 15, 2023 FORM 4 View Document
4 Nov. 14, 2023 FORM 4 View Document
S-3 Nov. 14, 2023 S-3 View Document
10-Q Nov. 14, 2023 10-Q View Document
4 Nov. 13, 2023 FORM 4 View Document
4 Nov. 13, 2023 FORM 4 View Document
8-K Nov. 7, 2023 8-K View Document
D Sept. 26, 2023 - View Document
8-K Sept. 25, 2023 8-K View Document
4 Sept. 6, 2023 FORM 4 View Document
4 Aug. 30, 2023 FORM 4 View Document
3 Aug. 30, 2023 FORM 3 View Document
8-K Aug. 29, 2023 8-K View Document
10-Q Aug. 9, 2023 10-Q View Document
8-K Aug. 8, 2023 8-K View Document
SC 13D July 13, 2023 SC 13D View Document
4 May 24, 2023 FORM 4 View Document
SD May 24, 2023 SD View Document
3 May 24, 2023 FORM 3 View Document
4 May 22, 2023 FORM 4 View Document
8-K May 22, 2023 8-K View Document
4 May 22, 2023 FORM 4 View Document
4 May 22, 2023 FORM 4 View Document
4 May 22, 2023 FORM 4 View Document
4 May 22, 2023 FORM 4 View Document
4 May 17, 2023 FORM 4 View Document
4 May 16, 2023 FORM 4 View Document
4 May 16, 2023 FORM 4 View Document
4 May 15, 2023 FORM 4 View Document
10-Q May 10, 2023 10-Q View Document
8-K May 9, 2023 8-K View Document
DEFA14A May 3, 2023 DEF 14A View Document
8-K May 3, 2023 8-K View Document
DEFA14A May 3, 2023 DEFA14A View Document
4 April 26, 2023 FORM 4 View Document
8-K April 14, 2023 8-K View Document
DEFA14A April 7, 2023 DEFA14A View Document
ARS April 7, 2023 ARS View Document
DEF 14A April 7, 2023 DEF 14A View Document
SC 13G March 29, 2023 SC 13G View Document
PRE 14A March 23, 2023 PRE 14A View Document
4 March 14, 2023 FORM 4 View Document
4 March 14, 2023 FORM 4 View Document
4 March 7, 2023 FORM 4 View Document
4 March 7, 2023 FORM 4 View Document
10-K March 2, 2023 10-K View Document
S-8 March 2, 2023 S-8 View Document
8-K March 1, 2023 8-K View Document
4 Feb. 23, 2023 FORM 4 View Document
4 Feb. 23, 2023 FORM 4 View Document
SC 13G/A Feb. 13, 2023 SC 13G/A View Document
SC 13G/A Feb. 9, 2023 - View Document
SC 13G/A Feb. 6, 2023 SC 13G/A View Document
SC 13G/A Jan. 30, 2023 SC 13G/A View Document
4 Dec. 16, 2022 FORM 4 View Document
8-K Nov. 25, 2022 8-K View Document
4 Nov. 22, 2022 FORM 4 View Document
4 Nov. 22, 2022 FORM 4 View Document
EFFECT Nov. 17, 2022 - View Document
424B3 Nov. 17, 2022 424B3 View Document
EFFECT Nov. 17, 2022 - View Document
CORRESP Nov. 15, 2022 - View Document
UPLOAD Nov. 10, 2022 - View Document
3/A Nov. 10, 2022 FORM 3/A View Document
3 Nov. 8, 2022 FORM 3 View Document
3 Nov. 7, 2022 FORM 3 SUBMISSION View Document
S-3 Nov. 3, 2022 S-3 View Document
POS AM Nov. 3, 2022 POS AM View Document
10-Q Nov. 3, 2022 10-Q View Document
8-K Nov. 3, 2022 8-K View Document
424B3 Oct. 27, 2022 424B3 View Document
8-K Oct. 24, 2022 8-K View Document
4 Oct. 20, 2022 FORM 4 View Document
4 Oct. 19, 2022 FORM 4 View Document
4 Oct. 19, 2022 FORM 4 View Document
4 Oct. 19, 2022 FORM 4 View Document
4 Oct. 18, 2022 FORM 4 View Document
8-K Aug. 26, 2022 8-K View Document
424B3 Aug. 26, 2022 424B3 View Document
10-Q Aug. 12, 2022 10-Q View Document
424B3 Aug. 12, 2022 424B3 View Document
8-K Aug. 11, 2022 8-K View Document
424B8 June 30, 2022 424B8 View Document
4 June 3, 2022 FORM 4 View Document
4 June 3, 2022 FORM 4 View Document
4 June 3, 2022 FORM 4 View Document
4 June 3, 2022 FORM 4 View Document
4 June 3, 2022 FORM 4 View Document
4 June 3, 2022 FORM 4 View Document
8-K June 2, 2022 8-K View Document
10-Q May 13, 2022 10-Q View Document
8-K May 12, 2022 8-K View Document
DEF 14A April 22, 2022 DEF 14A View Document
8-K March 30, 2022 8-K View Document
424B3 March 17, 2022 424B3 View Document
EFFECT March 16, 2022 - View Document
UPLOAD March 14, 2022 - View Document
CORRESP March 14, 2022 - View Document
S-8 March 4, 2022 S-8 View Document
S-1 March 4, 2022 S-1 View Document
10-K March 4, 2022 10-K View Document
4 March 3, 2022 FORM 4 SUBMISSION View Document
8-K Feb. 24, 2022 8-K View Document
4 Feb. 18, 2022 FORM 4 SUBMISSION View Document
4 Feb. 18, 2022 FORM 4 SUBMISSION View Document
3 Feb. 18, 2022 FORM 3 SUBMISSION View Document
8-K Feb. 17, 2022 8-K View Document
SC 13G/A Feb. 14, 2022 SC 13G/A View Document
SC 13G/A Feb. 14, 2022 - View Document
SC 13G/A Feb. 11, 2022 SC 13G/A View Document
SC 13G/A Feb. 11, 2022 - View Document
SC 13G/A Feb. 11, 2022 AMENDMENT NO. 1 TO SCHEDULE 13G View Document
4 Feb. 9, 2022 FORM 4 SUBMISSION View Document
SC 13G Feb. 9, 2022 - View Document
4 Feb. 9, 2022 FORM 4 SUBMISSION View Document
4 Feb. 9, 2022 FORM 4 SUBMISSION View Document
RW Feb. 8, 2022 RW View Document
SC 13G/A Jan. 28, 2022 SC 13G/A View Document
4 Jan. 25, 2022 FORM 4 SUBMISSION View Document
4 Jan. 25, 2022 FORM 4 SUBMISSION View Document
4 Jan. 19, 2022 FORM 4 SUBMISSION View Document
4 Jan. 19, 2022 FORM 4 SUBMISSION View Document
4 Jan. 6, 2022 FORM 4 SUBMISSION View Document
4 Jan. 6, 2022 FORM 4 SUBMISSION View Document
4 Jan. 6, 2022 FORM 4 SUBMISSION View Document
4 Jan. 6, 2022 FORM 4 SUBMISSION View Document
S-1 Dec. 27, 2021 S-1 View Document
4 Dec. 21, 2021 FORM 4 SUBMISSION View Document
4 Dec. 21, 2021 FORM 4 SUBMISSION View Document
4 Dec. 21, 2021 FORM 4 SUBMISSION View Document
424B3 Dec. 20, 2021 424B3 View Document
S-8 Dec. 15, 2021 S-8 View Document
EFFECT Dec. 13, 2021 - View Document
POS AM Dec. 9, 2021 POS AM View Document
10-Q/A Dec. 6, 2021 10-Q/A View Document
10-Q/A Dec. 6, 2021 10-Q/A View Document
10-K/A Dec. 3, 2021 10-K/A View Document
424B3 Nov. 23, 2021 424B3 View Document
424B3 Nov. 23, 2021 424B3 View Document
10-Q Nov. 22, 2021 10-Q View Document
SC 13D/A Nov. 22, 2021 SCHEDULE 13D/A View Document
SC 13D/A Nov. 22, 2021 SC 13D/A View Document
8-K/A Nov. 22, 2021 8-K/A View Document
8-K Nov. 22, 2021 8-K View Document
4 Nov. 17, 2021 FORM 4 SUBMISSION View Document
4 Nov. 17, 2021 FORM 4 SUBMISSION View Document
4 Nov. 17, 2021 FORM 4 SUBMISSION View Document
4 Nov. 17, 2021 FORM 4 SUBMISSION View Document
4 Nov. 17, 2021 FORM 4 SUBMISSION View Document
4 Nov. 17, 2021 FORM 4 SUBMISSION View Document
4 Nov. 17, 2021 FORM 4 SUBMISSION View Document
4/A Nov. 17, 2021 FORM 4/A SUBMISSION View Document
SC 13D/A Nov. 17, 2021 SC 13D/A View Document
8-K Nov. 16, 2021 8-K View Document
NT 10-Q Nov. 16, 2021 NT 10-Q View Document
424B3 Nov. 16, 2021 424B3 View Document
8-K Nov. 15, 2021 8-K View Document
424B3 Nov. 15, 2021 424B3 View Document
4 Nov. 12, 2021 FORM 4 SUBMISSION View Document
4 Nov. 12, 2021 FORM 4 SUBMISSION View Document
4 Nov. 12, 2021 FORM 4 SUBMISSION View Document
4 Nov. 12, 2021 FORM 4 SUBMISSION View Document
4 Nov. 12, 2021 OWNERSHIP DOCUMENT View Document
EFFECT Nov. 10, 2021 - View Document
424B3 Nov. 10, 2021 424B3 View Document
CORRESP Nov. 8, 2021 - View Document
UPLOAD Nov. 8, 2021 - View Document
8-K Nov. 5, 2021 8-K View Document
S-1 Nov. 3, 2021 FORM S-1 View Document
8-K Oct. 28, 2021 8-K View Document
SC 13D Oct. 25, 2021 SC 13D View Document
SC 13G Oct. 21, 2021 SC 13G View Document
SC 13G Oct. 20, 2021 SC 13G View Document
8-K Oct. 20, 2021 8-K View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 FORM 3 SUBMISSION View Document
3 Oct. 18, 2021 OWNERSHIP DOCUMENT View Document
SC 13D Oct. 18, 2021 SCHEDULE 13D View Document
SC 13D Oct. 18, 2021 SCHEDULE 13D View Document
8-K Oct. 15, 2021 8-K View Document
4 Oct. 13, 2021 FORM 4 SUBMISSION View Document
4 Oct. 13, 2021 FORM 4 SUBMISSION View Document
4 Oct. 13, 2021 FORM 4 SUBMISSION View Document
4 Oct. 13, 2021 FORM 4 SUBMISSION View Document
4 Oct. 13, 2021 FORM 4 SUBMISSION View Document
4 Oct. 13, 2021 FORM 4 SUBMISSION View Document
4 Oct. 13, 2021 FORM 4 SUBMISSION View Document
4 Oct. 13, 2021 FORM 4 SUBMISSION View Document
8-K Oct. 12, 2021 8-K View Document
25 Oct. 8, 2021 25 View Document
8-A12B Oct. 8, 2021 8-A12B View Document
CERT Oct. 8, 2021 NYSE CERTIFICATION View Document
8-K Oct. 5, 2021 8-K View Document
8-K Oct. 1, 2021 8-K View Document
425 Oct. 1, 2021 425 View Document
425 Sept. 28, 2021 425 View Document
8-K Sept. 28, 2021 8-K View Document
425 Sept. 23, 2021 425 View Document
425 Sept. 15, 2021 425 View Document
424B3 Sept. 14, 2021 424B3 View Document
SEC STAFF LETTER Sept. 14, 2021 - View Document
425 Sept. 14, 2021 425 View Document
EFFECT Sept. 14, 2021 - View Document
CORRESP Sept. 10, 2021 - View Document
S-4/A Sept. 9, 2021 S-4/A View Document
425 Sept. 9, 2021 425 View Document
425 Sept. 2, 2021 425 View Document
8-K Sept. 2, 2021 8-K View Document
425 Aug. 26, 2021 425 View Document
S-4/A Aug. 26, 2021 S-4/A View Document
CORRESP Aug. 26, 2021 - View Document
425 Aug. 24, 2021 425 View Document
10-Q Aug. 18, 2021 10-Q View Document
NT 10-Q Aug. 16, 2021 NT 10-Q View Document
UPLOAD Aug. 12, 2021 - View Document
8-K Aug. 4, 2021 8-K View Document
425 Aug. 4, 2021 425 View Document
425 Aug. 2, 2021 425 View Document
S-4/A July 28, 2021 S-4/A View Document
CORRESP July 28, 2021 - View Document
UPLOAD July 16, 2021 - View Document
SEC STAFF LETTER July 16, 2021 - View Document
425 July 9, 2021 425 View Document
425 July 9, 2021 425 View Document
S-4 June 21, 2021 S-4 View Document
425 June 16, 2021 425 View Document
425 June 11, 2021 425 View Document
425 June 9, 2021 425 View Document
425 June 7, 2021 425 View Document
10-K/A May 24, 2021 10-K/A View Document
8-K May 24, 2021 8-K View Document
10-Q May 24, 2021 10-Q View Document
425 May 20, 2021 425 View Document
NT 10-Q May 18, 2021 NT 10-Q View Document
8-K May 7, 2021 8-K View Document
425 May 7, 2021 425 View Document
425 May 7, 2021 425 View Document
425 May 7, 2021 425 View Document
425 May 7, 2021 8-K View Document
10-K March 31, 2021 10-K View Document
SC 13G March 30, 2021 SCHEDULE 13G View Document
SC 13G Feb. 16, 2021 - View Document
SC 13G Feb. 12, 2021 SC 13G View Document
4 Nov. 17, 2020 FORM 4 SUBMISSION View Document
10-Q Nov. 16, 2020 10-Q View Document
8-K Nov. 6, 2020 FORM 8-K View Document
8-K Sept. 25, 2020 8-K View Document
SC 13G Sept. 25, 2020 - View Document
8-K Sept. 22, 2020 8-K View Document
424B4 Sept. 18, 2020 424B4 View Document
3 Sept. 17, 2020 FORM 3 SUBMISSION View Document
EFFECT Sept. 16, 2020 - View Document
CERT Sept. 16, 2020 - View Document
3 Sept. 16, 2020 FORM 3 SUBMISSION View Document
3 Sept. 16, 2020 FORM 3 SUBMISSION View Document
3 Sept. 16, 2020 FORM 3 SUBMISSION View Document
3 Sept. 16, 2020 FORM 3 SUBMISSION View Document
3 Sept. 16, 2020 FORM 3 SUBMISSION View Document
3 Sept. 16, 2020 FORM 3 SUBMISSION View Document
3 Sept. 16, 2020 FORM 3 SUBMISSION View Document
8-A12B Sept. 16, 2020 8-A12B View Document
CORRESP Sept. 15, 2020 - View Document
S-1/A Sept. 15, 2020 S-1/A View Document
CORRESP Sept. 15, 2020 - View Document
CORRESP Sept. 15, 2020 - View Document
CORRESP Sept. 15, 2020 - View Document
CORRESP Sept. 11, 2020 - View Document
UPLOAD Sept. 11, 2020 - View Document
S-1/A Sept. 11, 2020 S-1/A View Document
UPLOAD Sept. 10, 2020 - View Document
S-1/A Sept. 9, 2020 S-1/A View Document
S-1 Aug. 31, 2020 FORM S-1 View Document
CORRESP Aug. 31, 2020 - View Document
UPLOAD Aug. 24, 2020 - View Document
DRS July 31, 2020 - View Document