Welcome to our dedicated page for Ess Tech SEC filings (Ticker: GWH), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Tracking how iron flow battery orders convert into revenue, or why electrolyte costs swing quarterly, means wading through ESS Tech’s dense disclosures. From warranty reserve assumptions to project backlog details, the filings are packed with technical nuance that can trip up even seasoned analysts. That’s why investors asking “how do I find the latest ESS Tech insider trading Form 4 transactions?� or “where is the ESS Tech quarterly earnings report 10-Q filing?� land here first.
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Whether you’re understanding ESS Tech SEC documents with AI, tracing cash burn in an emerging manufacturing scale-up, or comparing R&D spend across peers, every filing type is indexed. Access the ESS Tech executive stock transactions Form 4 feed, read the ESS Tech annual report 10-K simplified, drill into the ESS Tech proxy statement executive compensation tables, or skim ESS Tech 8-K material events explained within seconds. With comprehensive coverage and expert context, you can evaluate backlog health, production ramp timelines, and battery performance metrics confidently.
ESS Tech, Inc. reported interim results reflecting continued commercialization of its iron flow batteries and material liquidity strain. For the six months ended June 30, 2025 the company recorded a net loss of $29.1 million, used $30.6 million of cash in operating activities and had $0.8 million of unrestricted cash and cash equivalents as of June 30, 2025. Management disclosed substantial doubt about the company’s ability to continue as a going concern for 12 months and is evaluating financing options including additional equity, debt, or sales under a SEPA.
Key subsequent actions include a Standby Equity Purchase Agreement (SEPA) with an investor committing up to $25.0 million (sales subject to conditions) and sales of 1,214,633 shares for $2.0 million under the SEPA as of the statement date. The company also completed a $10.5 million sale and leaseback of a stack assembly line with UOP, issued and repaid $0.9 million of bridge promissory notes (with 15% exit fees), and sold 616,264 shares under an ATM for net proceeds of $0.7 million. The filing highlights cost-reduction measures, reduced operating expenses versus prior year periods, ongoing product commercialization efforts, related-party arrangements (notably with Honeywell/UOP), and reliance on future financings to fund operations.
ESS Tech, Inc. (NYSE: GWH) filed an 8-K disclosing the immediate, non-severance termination of Chief Financial Officer Anthony Rabb on 1-Aug-2025. The company states the dismissal is not related to accounting policies, reporting practices, or internal controls. Controller Kate Suhadolnik (age 36) is elevated to interim CFO, becoming principal financial and accounting officer effective the same date. Suhadolnik joined ESS in Sept-2021, became Controller in Apr-2023, and previously spent nine years at Deloitte & Touche. Her annual salary is $220,000 with discretionary cash/stock bonus; employment remains at-will. The board has started an internal/external search for a permanent CFO. No related-party transactions, family ties, or special arrangements were reported, and she has executed the standard indemnification agreement previously filed as Ex. 10.12.
The filing contains no new financial results or guidance. Investors should monitor potential impacts on capital-raising plans and execution risk while the CFO position is interim.
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