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10-Q

Quarterly Report

ESS Tech, Inc. GWH GWH-WT

0001819438-25-000076

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Filed
Nov 13, 2025 12:00 AM ET
Period of report

On SEC.gov

Financials in this filing

Metric Period Value
Shares Outstanding Q3 2025 · Nov 10, 2025 19.62M sh
Shares Diluted Q3 2025 · Sep 30, 2025 14.15M sh
Shares Diluted Q3 2025 · Sep 30, 2025 12.82M sh
Shares Diluted Q3 2025 · Sep 30, 2024 11.81M sh
Shares Diluted Q3 2025 · Sep 30, 2024 11.72M sh
Capex Q3 2025 · Sep 30, 2025 $1.07M
Capex Q3 2025 · Sep 30, 2024 $3.82M
Operating Cash Flow Q3 2025 · Sep 30, 2025 −$36.43M
Operating Cash Flow Q3 2025 · Sep 30, 2024 −$51.74M
Cash And Equivalents Q3 2025 · Sep 30, 2025 $3.54M
Cash And Equivalents Q3 2025 · Dec 31, 2024 $13.34M
Cash And Equivalents Q3 2025 · Sep 30, 2024 $12.82M
Stockholders Equity Q3 2025 · Sep 30, 2025 −$1.77M
Stockholders Equity Q3 2025 · Jun 30, 2025 $3.3M
Stockholders Equity Q3 2025 · Mar 31, 2025 $12.08M
Stockholders Equity Q3 2025 · Dec 31, 2024 $28.88M
Stockholders Equity Q3 2025 · Sep 30, 2024 $49.2M
Stockholders Equity Q3 2025 · Jun 30, 2024 $69.04M
Stockholders Equity Q3 2025 · Mar 31, 2024 $87.82M
Stockholders Equity Q3 2025 · Dec 31, 2023 $103.36M
Current Liabilities Q3 2025 · Sep 30, 2025 $23.8M
Current Liabilities Q3 2025 · Dec 31, 2024 $27.6M
Total Liabilities Q3 2025 · Sep 30, 2025 $37.91M
Total Liabilities Q3 2025 · Dec 31, 2024 $42.93M
Current Assets Q3 2025 · Sep 30, 2025 $11.56M
Current Assets Q3 2025 · Dec 31, 2024 $43.36M
Total Assets Q3 2025 · Sep 30, 2025 $36.15M
Total Assets Q3 2025 · Dec 31, 2024 $71.81M
Eps Diluted Q3 2025 · Sep 30, 2025 −$0.73
Eps Diluted Q3 2025 · Sep 30, 2025 −$3.08
Eps Diluted Q3 2025 · Sep 30, 2024 −$1.90
Eps Diluted Q3 2025 · Sep 30, 2024 −$5.35
Eps Basic Q3 2025 · Sep 30, 2025 −$0.73
Eps Basic Q3 2025 · Sep 30, 2025 −$3.08
Eps Basic Q3 2025 · Sep 30, 2024 −$1.90
Eps Basic Q3 2025 · Sep 30, 2024 −$5.35
Sga Expense Q3 2025 · Sep 30, 2025 $3.7M
Sga Expense Q3 2025 · Sep 30, 2025 $13M
Sga Expense Q3 2025 · Sep 30, 2024 $6.09M
Sga Expense Q3 2025 · Sep 30, 2024 $17.79M
Rd Expense Q3 2025 · Sep 30, 2025 $1.03M
Rd Expense Q3 2025 · Sep 30, 2025 $4.93M
Rd Expense Q3 2025 · Sep 30, 2024 $2.68M
Rd Expense Q3 2025 · Sep 30, 2024 $9.07M
Net Income Q3 2025 · Sep 30, 2025 −$10.38M
Net Income Q3 2025 · Sep 30, 2025 −$39.46M
Net Income Q3 2025 · Jun 30, 2025 −$11.06M
Net Income Q3 2025 · Mar 31, 2025 −$18.03M
Net Income Q3 2025 · Sep 30, 2024 −$22.49M
Net Income Q3 2025 · Sep 30, 2024 −$62.74M
Net Income Q3 2025 · Jun 30, 2024 −$21.94M
Net Income Q3 2025 · Mar 31, 2024 −$18.31M
Operating Income Q3 2025 · Sep 30, 2025 −$9.81M
Operating Income Q3 2025 · Sep 30, 2025 −$39.51M
Operating Income Q3 2025 · Sep 30, 2024 −$23.68M
Operating Income Q3 2025 · Sep 30, 2024 −$66.3M
Gross Profit Q3 2025 · Sep 30, 2025 −$4.73M
Gross Profit Q3 2025 · Sep 30, 2025 −$17.97M
Gross Profit Q3 2025 · Sep 30, 2024 −$12.38M
Gross Profit Q3 2025 · Sep 30, 2024 −$32.17M
Cost Of Revenue Q3 2025 · Sep 30, 2025 $4.94M
Cost Of Revenue Q3 2025 · Sep 30, 2025 $21.14M
Cost Of Revenue Q3 2025 · Sep 30, 2024 $12.74M
Cost Of Revenue Q3 2025 · Sep 30, 2024 $35.62M
Revenue Q3 2025 · Sep 30, 2025 $214K
Revenue Q3 2025 · Sep 30, 2025 $3.17M
Revenue Q3 2025 · Sep 30, 2024 $359K
Revenue Q3 2025 · Sep 30, 2024 $3.45M