GWH

MKT CAP:$30M

ESS Tech Inc

Market Cap

$30M

Industrials·Electrical Equipment & Parts·🇺🇸 United States·NYSE

Industrials·Electrical·🇺🇸·NYSE

Stock Price

$0.91-$1.10 (-54.88%)

Jun 5, 2026

52W High $9.0552W Low $0.77

Company Details

ESS Tech, Inc., an energy storage company, engages in the design and production of iron flow batteries for commercial and utility-scale energy storage applications worldwide. It offers energy storage products, which include Energy Warehouse...

CEO

—

IPO Date

Jan 4, 2021

Website

essinc.com

Key Metrics TTM

Revenue

$1M

-73.2% YoY

Net Income

-$61M

EPS (Diluted)

Free Cash Flow

-$49M

Revenue / Share

$0.04

Gross Margin

-2904.9%

Operating Margin

-4616.4%

Net Margin

-5515.8%

FCF Margin

-4411.9%

P/S

27.1x

P/E

Earnings Reports

Q2 2026

Aug 13, 2026

PENDING

Q1 2026

May 7, 2026

$128.0K-78.6%

FY 2025

Mar 5, 2026

$2M-74.9%

Q4 2025

Mar 5, 2026

-$2M-155.7%

Q3 2025

Nov 13, 2025

$214.0K-40.4%

Revenue & Profitability

Valuation

Operating Cash Flow

CapEx Spend

OpEx vs Revenue Growth (YoY)

Stock-Based Compensation

OpEx Breakdown

War Chest

Shares Outstanding

Revenue Per Employee

Revenue / Employee