Recent developments include leadership changes, financial results announcements, capital raising activities, and market activity reflecting investor interest and operational updates.

• ESS Tech appointed Drew Buckley as CEO effective January 2026, succeeding interim CEO Kelly F. Goodman who became Chief Strategy Officer and General Counsel [N1].
• The company reported a net loss and missed revenue estimates for Q3 2025, reflecting ongoing operational challenges [N3].
• ESS Tech held its Q3 2025 earnings call discussing financial results and strategic initiatives [N4].
• Ahead of the Q3 earnings release, market speculation about negative earnings was noted [N5].
• The company completed a registered direct offering in January 2026, raising approximately $13.5 million net proceeds for general corporate purposes and working capital [S1].
• Liquidity as of December 31, 2025, included cash and equivalents of $14.48 million, current assets of $26.25 million, and current liabilities of $25.29 million, with a current ratio of 1.04 and cash ratio of 0.57 [S1].
• Revenue for 2025 was approximately $1.6 million, down from prior year due to winding down legacy contracts and shifting focus to energy storage [S1].
• The company has repaid a significant portion of its promissory note debt, with $5.6 million remaining outstanding as of January 28, 2026 [S1].

ESS Tech's recent leadership appointment and capital raises provide a foundation for focused execution on its energy storage technology strategy. The company's cost discipline and operational improvements have reduced losses compared to prior periods. Its strategic shift away from legacy contracts towards energy storage solutions aligns with broader market trends in clean energy and battery demand. Successful commercialization of its technology and further operational efficiencies could enhance its competitive position and financial stability.

ESS Tech reported significant net losses and negative earnings per share for 2025, with revenue declining due to the wind down of legacy contracts. Liquidity ratios indicate limited cushion, and the company continues to carry outstanding debt. The energy storage market is competitive and capital intensive, and the company faces execution risks in scaling its technology and achieving profitability. Dependence on equity offerings for working capital and ongoing operating losses present financial risks. Leadership changes and paused at-the-market sales may indicate transitional challenges.

ESS Tech's moat is centered on its specialized technology in energy storage and battery solutions, which is a critical and growing sector in the energy transition landscape. The company's strategic shift towards an Energy Base business model and its ability to secure capital through equity offerings support its ongoing development efforts. However, the company faces challenges including operating losses and the need to scale its technology commercially. Its moat is supported by its intellectual property, technology development capabilities, and strategic partnerships, but it remains subject to competitive pressures and execution risks inherent in the energy technology sector.

• Financial Performance Risk: The company reported a net loss of $63.44 million and negative EPS for 2025, indicating ongoing challenges in achieving profitability.
• Liquidity and Capital Risk: Liquidity ratios are modest with a current ratio of 1.04 and cash ratio of 0.57 as of December 31, 2025, and the company relies on equity offerings and debt management to fund operations.
• Execution Risk: Transitioning business focus and leadership changes introduce execution risks in commercializing energy storage technology and managing operational costs.
• Market and Competitive Risk: The energy storage sector is competitive and rapidly evolving, requiring continuous innovation and capital investment to maintain market position.

• ESS Tech, Inc. is a Delaware corporation headquartered in Wilsonville, Oregon.
• The company is listed on the New York Stock Exchange under the ticker GWH.
• ESS Tech operates in the energy storage sector, focusing on battery technology and energy solutions, as indicated by its strategic battery deal and shift to an Energy Base business model.
• In 2025, ESS Tech underwent leadership changes, appointing Drew Buckley as CEO effective January 2026, with prior interim CEO Kelly F. Goodman appointed Chief Strategy Officer and General Counsel.
• The company completed a registered direct offering in January 2026, issuing common stock and pre-funded warrants, raising net proceeds of approximately $13.5 million for general corporate purposes and working capital.
• ESS Tech reported a net loss of $63.44 million for the fiscal year ended December 31, 2025, with basic and diluted EPS of -$4.34 per share, as disclosed in its 10-K filing.
• Liquidity as of December 31, 2025, included cash and equivalents of $14.48 million, current assets of $26.25 million, and current liabilities of $25.29 million, resulting in a current ratio of 1.04 and a cash ratio of 0.57.
• Revenue for 2025 was approximately $1.6 million, down $4.7 million from 2024, reflecting the wind down of legacy business contracts and a strategic shift to energy storage solutions.
• The company has been actively managing its debt, repaying approximately $24.4 million of a $30 million promissory note as of January 28, 2026, with $5.6 million remaining outstanding.
• ESS Tech has paused sales under its at-the-market offering program after raising approximately $8.6 million since November 2025.
• The company reported an operating loss of approximately $55 million for 2025, an improvement from the prior year due to cost discipline and controlled spending.
• ESS Tech's business model includes technology development and commercialization in energy storage, with ongoing cost control efforts to improve operational efficiency.