ESS Tech, Inc. (GWH) SEC Filings

ESS Tech, Inc. (GWH) SEC EDGAR filings (8-K, 10-Q, DEF 14A, 10-K), newest first; latest 8-K filed 2026-08-11. Every filing links to the canonical SEC document. First-party data.

SEC filings — source: EDGAR

Filed	Form	Title
2026-08-11	8-K	8-K filed 2026-08-11 by ESS Tech, Inc.
2026-08-11	10-Q	10-Q filed 2026-08-11 by ESS Tech, Inc.
2026-08-06	8-K	8-K filed 2026-08-06 by ESS Tech, Inc.
2026-07-17	8-K	8-K filed 2026-07-17 by ESS Tech, Inc.
2026-07-01	8-K	8-K filed 2026-07-01 by ESS Tech, Inc.
2026-06-23	8-K	8-K filed 2026-06-23 by ESS Tech, Inc.
2026-06-18	8-K	8-K filed 2026-06-18 by ESS Tech, Inc.
2026-06-15	8-K	8-K filed 2026-06-15 by ESS Tech, Inc.
2026-05-29	8-K	8-K filed 2026-05-29 by ESS Tech, Inc.
2026-05-07	10-Q	10-Q filed 2026-05-07 by ESS Tech, Inc.
2026-05-07	8-K	8-K filed 2026-05-07 by ESS Tech, Inc.
2026-04-15	8-K	8-K filed 2026-04-15 by ESS Tech, Inc.
2026-04-15	DEF 14A	DEF 14A filed 2026-04-15 by ESS Tech, Inc.
2026-03-05	8-K	8-K filed 2026-03-05 by ESS Tech, Inc.
2026-03-05	10-K	10-K filed 2026-03-05 by ESS Tech, Inc.
2026-01-30	8-K	8-K filed 2026-01-30 by ESS Tech, Inc.
2026-01-29	8-K	8-K filed 2026-01-29 by ESS Tech, Inc.
2026-01-06	8-K	8-K filed 2026-01-06 by ESS Tech, Inc.
2025-12-05	8-K	8-K filed 2025-12-05 by ESS Tech, Inc.
2025-11-13	8-K	8-K filed 2025-11-13 by ESS Tech, Inc.
2025-11-13	8-K	8-K filed 2025-11-13 by ESS Tech, Inc.
2025-11-13	10-Q	10-Q filed 2025-11-13 by ESS Tech, Inc.
2025-10-14	8-K	8-K filed 2025-10-14 by ESS Tech, Inc.
2025-10-14	8-K	8-K filed 2025-10-14 by ESS Tech, Inc.
2025-09-22	DEF 14A	DEF 14A filed 2025-09-22 by ESS Tech, Inc.
2025-08-29	8-K	8-K filed 2025-08-29 by ESS Tech, Inc.
2025-08-18	8-K	8-K filed 2025-08-18 by ESS Tech, Inc.
2025-08-14	8-K	8-K filed 2025-08-14 by ESS Tech, Inc.
2025-08-14	10-Q	10-Q filed 2025-08-14 by ESS Tech, Inc.
2025-08-07	8-K	8-K filed 2025-08-07 by ESS Tech, Inc.

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Data sourced from U.S. SEC EDGAR. Not personalized investment advice.