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GWH · ESS Tech, Inc. · Investor Relations

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$0.13 -0.04 (-23.98%) At close · Oct 7
Rebalance outlook locked
Going-concern doubt — flagged Aug 11, 2026

Substantial doubt about the company's ability to continue as a going concern.

“These uncertainties cause substantial doubt to exist as to the Company's ability to continue as a going concern for 12 months from the issuance of these financial statements.”
View the 10-Q filed Aug 11, 2026
Market Cap
$5.17M
Shares
32.97M
Volume · Oct 7 822.7K Avg daily vol (3M) 1.09M

Press releases and events scraped from the company’s investor relations website. Past events open our own call or event page when we host one; otherwise listings link to the original source.

Recent news

Date Headline
2026-10-05 ESS Tech Transitions to OTC Trading Platform
2026-09-02 ESS Achieves “Awardable” Status Through Department of War’s Tradewinds Solutions Marketplace
2026-08-21 ESS Tech, Inc. Announces Closing of $3.2 Million Registered Direct Offering and Concurrent Private Placement
2026-08-20 ESS Tech, Inc. Announces $3.2 Million Registered Direct Offering and Concurrent Private Placement
2026-08-18 ESS to Present at Sidoti Micro-Cap Virtual Conference
2026-08-11 ESS Tech, Inc. Announces Second Quarter 2026 Financial Results
2026-08-10 ESS Reschedules Second Quarter 2026 Financial Results Conference Call to Tuesday, August 11, 2026 at 5:00 p.m. Eastern Time
2026-08-06 ESS Tech Signs Letter of Intent for Proposed Business Combination
2026-07-30 ESS Named One of TIME and Statista's World's Top GreenTech Companies in 2026 for the Second Consecutive Year
2026-07-29 ESS to Host Second Quarter 2026 Financial Results Conference Call on Thursday, August 13, 2026 at 5:00 p.m. Eastern Time
2026-07-22 ESS and Juniper Energy Sign Agreement for 500 MWh+ of Sodium-Ion Energy Storage Deployments
2026-07-08 ESS Introduces Bridge™, a Modular Sodium-Ion Battery Energy Storage System for Grid-Scale, Data Center, and Commercial Applications
2026-06-29 ESS Added to Russell Microcap® Index
2026-06-23 ESS to Accelerate Sodium-Ion Battery Energy Storage System Development Following Surging Customer Interest
2026-05-20 ESS to Present in Clean Energy Group’s Beyond Lithium Webinar Series on June 3, 2026
2026-05-14 ESS to Attend Sidoti Micro-Cap Virtual Conference on May 20, 2026
2026-05-07 ESS Tech, Inc. Announces First Quarter 2026 Financial Results
2026-05-06 ESS Highlights Third-Party Utility Validating Iron Flow Battery Technology
2026-05-05 ESS Announces Successful Commissioning of Long-Duration Iron Flow Battery Systems at Turlock Irrigation District Solar-Over-Canal Project
2026-04-30 ESS Partners with Alsym Energy to Deliver 8.5 GWh of Non-Lithium Battery Energy Storage Solutions
2026-04-23 ESS to Host First Quarter 2026 Financial Results Conference Call on Thursday, May 7, 2026 at 5:00 p.m. Eastern Time
2026-04-09 ESS Engages MZ Group to Lead Strategic Investor Relations and Shareholder Communications Program
2026-03-10 ESS to Attend the 38th Annual ROTH Conference
2026-03-05 ESS Announces Fourth Quarter and Full Year 2025 Financial Results
2026-03-03 ESS Announces Agreement to Join Salt River Project and Google Long Duration Energy Storage Collaboration

Agreement Supports Advancement and Real-World Evaluation of ESS’s Non-Lithium Long Duration Energy Storage Energy Base Technology Collaboration Expected to Support Utility and Large-Load Sustainability Objectives, and Clean Energy Goals of Project Participants ESS Tech, Inc. (NYSE: GWH) (ESS, or the Company), a leading manufacturer of long-duration energy storage (LDES) systems for commercial and utility-scale today applications, today announced a collaboration framework with Salt River Project (SRP) and Google for Project New Horizon to advance long-duration energy storage innovation at SRP’s Copper Crossing Energy and Research Center in Florence, Arizona. Project New Horizon is a five-megawatt (MW), 50 megawatt hour (MWh) system that will deploy ESS’ iron flow Energy Base technology and represents a significant commercial validation milestone for the Company’s next-generation, utility-scale platform. The pilot is expected to support SRP’s evaluation of emerging non-lithium LDES

Past events

Date Event Type
2026-08-19 Sidoti Micro-Cap Virtual Conference Presentation Conference
2026-08-13 ESS Second Quarter 2026 Earnings Announcement Earnings call
2026-08-11 ESS Second Quarter 2026 Earnings Announcement Earnings call
2026-06-03 Clean Energy Group Beyond Lithium webinar series Event
2026-05-20 Sidoti Micro Cap Conference Conference
2026-05-07 ESS First Quarter 2026 Earnings Announcement Earnings call
2026-03-23 38th Annual ROTH Conference Conference
2026-03-05 ESS Fourth Quarter and Full Year 2025 Earnings Announcement Earnings call
2025-11-13 ESS Third Quarter 2025 Earnings Announcement Earnings call
2025-08-14 ESS Second Quarter 2025 Earnings Announcement Earnings call
2025-05-15 ESS First Quarter 2025 Earnings Announcement Earnings call
2025-03-31 ESS Fourth Quarter and Full Year 2024 Earnings Announcement Earnings call
2024-11-13 ESS Third Quarter 2024 Earnings Announcement Earnings call
2024-08-14 ESS Second Quarter 2024 Earnings Announcement Earnings call
2024-05-07 ESS First Quarter 2024 Earnings Announcement Earnings call
2024-03-13 ESS Fourth Quarter and Full Year 2023 Earnings Announcement Earnings call
2023-11-07 ESS Third Quarter 2023 Earnings Announcement Earnings call
2023-09-25 ESS Conference Call to Discuss Honeywell Investment Conference
2023-08-08 ESS Second Quarter 2023 Earnings Announcement Earnings call
2023-05-09 ESS First Quarter 2023 Earnings Announcement and Operational Update Earnings call
2023-03-01 ESS Fourth Quarter and Full Year 2022 Earnings Announcement Earnings call
2022-11-03 ESS Third Quarter 2022 Earnings Announcement Earnings call
2022-08-11 ESS Second Quarter 2022 Earnings Announcement Earnings call
2022-05-12 ESS First Quarter 2022 Earnings Announcement Earnings call
2022-02-24 ESS Fourth Quarter and Full Year 2021 Earnings Announcement Earnings call

Source: https://investors.essinc.com/

Key facts CIK 1819438 CUSIP 26916J205 13F (30d) 2 filings 2 filers Visit website Investor relations