Recent Updates — GWH
The New York Stock Exchange notified ESS Tech, Inc. on October 2, 2026, that it had suspended trading in the company's common stock immediately and commenced delisting proceedings. The decision was made because the company failed to maintain an average global market capitalization of at least $15 million over a consecutive 30-trading-day period. ESS Tech intends to request a review of this determination within ten business days. Following the suspension, shares are expected to trade in the over-the-counter market under the symbol GWHT, likely resulting in reduced liquidity and further price depression. ESS Tech is a leading provider of non-lithium energy storage solutions.
On September 24, 2026, the New York Stock Exchange notified ESS Tech, Inc. that it intends to delist its common stock (GWH) because the company failed to regain compliance with Section 802.01B of the NYSE Listed Company Manual by the expiration of its maximum plan period. The listing standard requires maintaining at least $50 million in stockholders’ equity or a 30-trading day average total market capitalization of $50 million. ESS Tech intends to request a review and appeal this determination, though success is not assured. Trading suspension will occur if the appeal fails or is withdrawn. The company operates in the energy storage industry.
ESS Tech, Inc. entered into employment agreements with CFO Kate Suhadolnik and CSO/General Counsel Kelly F. Goodman on August 28, 2026. The agreements set a base salary of $380,000 for each executive and include change-in-control protections such as twelve months' salary, COBRA premiums, and equity acceleration if terminated during the CIC protective period. These arrangements do not alter their titles or existing bonus eligibility. ESS Tech operates in the energy storage industry, providing battery energy storage systems.
The New York Stock Exchange notified ESS Tech, Inc. of proceedings to delist its Public Warrants (GWH.W) and immediately suspended trading of those warrants due to abnormally low trading price levels. Common stock (GWH) trading on the NYSE is unaffected and remains listed. ESS Tech, Inc. operates in the energy storage solutions industry and provides energy storage systems for renewable energy applications.
On June 23, 2026, ESS Tech, Inc. announced a strategic shift to accelerate the development of sodium-ion battery energy storage systems while continuing its iron flow battery technology. The company plans to streamline Wilsonville operations to reduce expenses and cash burn. As of May 31, 2026, the company reported a cash position of approximately $13.6 million in cash, cash equivalents, and short-term investments. Additionally, the company updated its risk factors following notice from the NYSE regarding failure to meet the minimum share price requirement under Section 802.01C. The company operates in the energy storage industry and develops long-duration battery technology.
Rich Hossfeld resigned from the Board of Directors and the Audit Committee of ESS Tech, Inc. effective June 12, 2026. Raffi Garabedian will replace him on the Audit Committee. The resignation was not due to any disagreement with the company's operations, policies, or practices. ESS Tech, Inc. operates in the energy storage industry and provides energy storage solutions.