
WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Introduces Bridge™, a Modular Sodium-Ion Battery Energy Storage System for Grid-Scale, Data Center, and Commercial Applications.
ESS Inc. develops and markets iron flow batteries for utility and commercial energy storage needs globally. The company is headquartered in Wilsonville, Oregon.
| Revenue (TTM) | $-1.17M |
| Gross Profit (TTM) | $-24.78M |
| EBITDA | $-44.89M |
| Operating Margin | -20732.00% |
| Return on Equity | -21340.00% |
| Return on Assets | -87.80% |
| Revenue/Share (TTM) | $-0.05 |
| Book Value | $0.39 |
| Price-to-Book | 1.81 |
| Price-to-Sales (TTM) | 16.94 |
| EV/Revenue | 7.29 |
| EV/EBITDA | -0.15 |
| Quarterly Earnings Growth (YoY) | 0.00% |
| Quarterly Revenue Growth (YoY) | -96.90% |
| Shares Outstanding | $32.97M |
| Float | $28.43M |
| % Insiders | 9.42% |
| % Institutions | 18.28% |
Volatility is currently contracting

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Introduces Bridge™, a Modular Sodium-Ion Battery Energy Storage System for Grid-Scale, Data Center, and Commercial Applications.

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Added to Russell Microcap® Index.

ESS Tech, Inc. (GWH) Discusses Iron Flow Battery Technology and Alternatives to Lithium Ion in Energy Storage Transcript

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS to Attend Sidoti Micro-Cap Virtual Conference on May 20, 2026.

ESS Tech, Inc. (GWH) Q1 2026 Earnings Call Transcript

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Tech, Inc. Announces First Quarter 2026 Financial Results.

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Highlights Third-Party Utility Validating Iron Flow Battery Technology.

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Announces Successful Commissioning of Long-Duration Iron Flow Battery Systems at Turlock Irrigation District Solar-Over-Canal Project.

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS to Host First Quarter 2026 Financial Results Conference Call on Thursday, May 7, 2026 at 5:00 p.m. Eastern Time.

WILSONVILLE, Ore.--(BUSINESS WIRE)--ESS Engages MZ Group to Lead Strategic Investor Relations and Shareholder Communications Program.
Tiblio connects your broker and runs your put-and-call-writing strategy for you — on GWH and any ticker you trade — then tracks every position and per-strategy win rate.