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.
The ESS Tech, Inc. (NYSE: GWH) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures, including Forms 10-K, 10-Q and 8-K, as well as proxy statements and material agreements. These documents offer detailed insight into ESS’s long-duration iron flow energy storage business, its capital structure, governance and risk profile.
In its periodic reports, ESS describes its role as a manufacturer of long-duration energy storage systems for commercial and utility-scale applications, based on iron flow battery technology that uses iron, salt and water. Quarterly and annual reports discuss topics such as revenue, operating expenses, cash flows, financing arrangements and factors that could affect the business. Investors can review these filings to understand how ESS is funding its strategic shift to the Energy Base platform and managing its balance sheet.
ESS frequently files Current Reports on Form 8-K to disclose material events. Recent 8-K filings have covered leadership changes, including the appointment of a new Chief Executive Officer, Chief Strategy Officer and General Counsel, Chief Financial Officer and Chief Operating Officer. Other 8-Ks describe financing transactions such as an unsecured promissory note of up to $40 million with an investment fund managed by Yorkville Advisors Global, amendments to that note, and the launch of a $75 million at-the-market equity offering program under a Sales Agreement with several agents.
The company’s definitive proxy statement (DEF 14A) provides information on board composition, corporate governance, executive compensation and stockholder voting matters, including approval of share issuances related to its standby equity purchase agreement and certain warrants. These materials help investors evaluate ESS’s governance structure and shareholder approvals for key capital measures.
On Stock Titan, ESS filings are supplemented with AI-powered summaries that explain the main points of long and technical documents, highlight significant changes, and point out items such as financing obligations, equity programs and governance decisions. Users can monitor new filings as they are posted to understand how ESS’s long-duration energy storage strategy, leadership and capital plans are reflected in its official SEC disclosures.
ESS Tech, Inc. filed a current report to note that it released its financial results for the quarter ended June 30, 2025. On August 14, 2025, the company issued a press release detailing its operating results and overall financial condition for that quarter.
The press release is furnished as Exhibit 99.1 and is not considered filed for liability purposes under the Exchange Act unless specifically incorporated into another filing. The report is signed on behalf of ESS Tech, Inc. by Interim Chief Financial Officer Kate Suhadolnik.
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.