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.
Kate Eileen Suhadolnik, identified as Interim CFO and an officer of ESS Tech, Inc. (ticker GWH), reported beneficial ownership of 30,186 shares of common stock in an initial Form 3 filing for the event dated 08/01/2025. Of these shares, 23,805 are restricted stock units (RSUs) granted prior to Section 16 reporting obligations and the filing details multiple RSU grants with staggered vesting schedules beginning August 20, 2025. The form was signed via power of attorney on 08/28/2025.
ESS Tech, Inc. (GWH) Form 3 shows an initial Section 16 filing for Jigish Dhirajlal Trivedi, who is identified as the companys Chief Operating Officer and an officer/director. The statement, dated 08/18/2025 with a signature dated 08/28/2025, reports that no securities are beneficially owned by the reporting person at the time of this filing. The filing includes a power of attorney (Exhibit 24.1).
Kelly F. Goodman, Interim CEO and director of ESS Tech, Inc. (GWH), reported a sale of 4,326 shares of common stock on 08/20/2025 at a price of $1.61 per share. After the reported transaction, Goodman beneficially owned 85,135 shares. The filing states the 4,326 shares were withheld by the issuer upon RSU vesting to satisfy tax withholding obligations, and that a portion of the reported holdings are restricted stock units (RSUs), each representing a contingent right to receive one share.
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. 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.
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