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GWH-WT Stock Analysis 2026 - ESS Tech, Inc. AI Rating

GWH-WT NYSE Miscellaneous Electrical Machinery, Equipment & Supplies DE CIK: 0001819438
Recently Updated • Analysis: Apr 10, 2026 • SEC Data: 2025-12-31
STRONG SELL
98% Conf
Pending
Analysis scheduled

📊 GWH-WT Key Takeaways

Revenue: $1.6M
Net Margin: -4,007.6%
Free Cash Flow: $-53.7M
Current Ratio: 1.04x
Debt/Equity: 0.00x
EPS: $-4.34
AI Rating: STRONG SELL with 98% confidence

Is GWH-WT a Good Investment? Thesis Analysis

Claude

ESS Tech exhibits severe financial distress with collapsing revenues (-75% YoY), deeply negative unit economics (negative gross margin), and catastrophic cash burn (-$53.7M FCF annually) that exhausts the $14.5M cash position in ~3 months. The company's fundamental business model appears broken with operating losses exceeding revenue by 35x, indicating unsustainable operations.

Why Buy GWH-WT? Key Strengths

Claude
  • + No long-term debt obligations reduce financial rigidity
  • + Positive stockholders equity ($8.6M) provides some buffer
  • + Operates in potentially high-growth energy storage sector

GWH-WT Investment Risks to Consider

Claude
  • ! Negative gross margins (-1748%) indicate broken unit economics and value destruction at core business level
  • ! Extreme cash burn rate ($50.3M operating, $53.7M free cash flow) with only ~3-4 months runway at current rates
  • ! Revenue collapse of 75% YoY combined with operating losses 35x revenue suggests inability to scale profitably
  • ! Tight current ratio (1.04x) and quick ratio (1.03x) indicate imminent liquidity crisis risk
  • ! ROE and ROA deeply negative (-736% and -124%) demonstrating severe value destruction
  • ! Operating cash flow negative despite minimal capex suggests non-discretionary cash burn

Key Metrics to Watch

Claude
  • * Monthly cash burn rate and cash position timeline to depletion
  • * Path to next financing round or strategic alternatives announcement
  • * Gross margin stabilization or improvement toward breakeven
  • * Revenue stabilization and return to growth trajectory
  • * Capital expenditure changes suggesting operational adjustments

GWH-WT Financial Metrics

Revenue
$1.6M
Net Income
$-63.4M
EPS (Diluted)
$-4.34
Free Cash Flow
$-53.7M
Total Assets
$51.2M
Cash Position
$14.5M

💡 AI Analyst Insight

ESS Tech, Inc. presents a mixed fundamental picture. Review the detailed metrics above to form your own investment thesis.

GWH-WT Profitability Ratios

Gross Margin -1,748.1%
Operating Margin -3,626.5%
Net Margin -4,007.6%
ROE -736.1%
ROA -124.0%
FCF Margin -3,390.5%

GWH-WT vs Industrial Sector

How ESS Tech, Inc. compares to Industrial sector averages

Net Margin
GWH-WT -4,007.6%
vs
Sector Avg 10.0%
GWH-WT Sector
ROE
GWH-WT -736.1%
vs
Sector Avg 15.0%
GWH-WT Sector
Current Ratio
GWH-WT 1.0x
vs
Sector Avg 1.8x
GWH-WT Sector
Debt/Equity
GWH-WT 0.0x
vs
Sector Avg 0.7x
GWH-WT Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is GWH-WT Overvalued or Undervalued?

Based on fundamental analysis, ESS Tech, Inc. has mixed fundamental signals relative to the Industrial sector in 2026.

Return on Equity
-736.1%
Sector avg: 15%
Net Profit Margin
-4,007.6%
Sector avg: 10%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.00x
Sector avg: 0.7x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

GWH-WT Balance Sheet & Liquidity

Current Ratio
1.04x
Quick Ratio
1.03x
Debt/Equity
0.00x
Debt/Assets
83.2%
Interest Coverage
-1,979.55x
Long-term Debt
$0.0

GWH-WT 5-Year Financial Trend & Growth Analysis

GWH-WT 5-year financial data: Year 2021: Revenue $0, Net Income -$30.4M, EPS $-0.52. Year 2022: Revenue $894.0K, Net Income -$477.1M, EPS $-5.73. Year 2023: Revenue $7.5M, Net Income -$78.0M, EPS $-0.51. Year 2024: Revenue $7.5M, Net Income -$77.6M, EPS $-7.27. Year 2025: Revenue $6.3M, Net Income -$86.2M, EPS $-7.32.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: ESS Tech, Inc.'s revenue has remained relatively flat over the 5-year period, with a 0% decline. The most recent EPS of $-7.32 indicates the company is currently unprofitable.

GWH-WT Growth Metrics (YoY)

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
-3,390.5%
Free cash flow / Revenue

GWH-WT Quarterly Performance

Quarterly financial performance data for ESS Tech, Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $214.0K -$10.4M $-0.73
Q2 2025 $348.0K -$11.1M $-0.90
Q1 2025 $599.0K -$18.0M $-1.50
Q3 2024 $359.0K -$16.6M $-1.59
Q2 2024 $348.0K -$18.3M $-0.12
Q1 2024 $372.0K -$18.3M $-0.10
Q3 2023 $192.0K -$5.7M $-0.11
Q2 2023 $686.0K -$5.7M $-0.10

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

GWH-WT Capital Allocation

Operating Cash Flow
-$50.3M
Cash generated from operations
Capital Expenditures
$3.4M
Investment in assets
Dividends
None
No dividend program

GWH-WT SEC 10-K & 10-Q Filing Analysis

Access official SEC EDGAR filings for ESS Tech, Inc. (CIK: 0001819438)

📋 Recent SEC Filings

Date Form Document Action
Mar 5, 2026 10-K ghw-20251231.htm View →
Mar 5, 2026 8-K wk-20260305.htm View →
Feb 26, 2026 4 xslF345X05/form4-02272026_020250.xml View →
Feb 26, 2026 4 xslF345X05/form4-02272026_020245.xml View →
Feb 26, 2026 4 xslF345X05/form4-02272026_020210.xml View →

Frequently Asked Questions about GWH-WT

What is the AI rating for GWH-WT?

ESS Tech, Inc. (GWH-WT) has an AI rating of STRONG SELL with 98% confidence, based on fundamental analysis of SEC EDGAR filings.

What are GWH-WT's key strengths?

Claude: No long-term debt obligations reduce financial rigidity. Positive stockholders equity ($8.6M) provides some buffer.

What are the risks of investing in GWH-WT?

Claude: Negative gross margins (-1748%) indicate broken unit economics and value destruction at core business level. Extreme cash burn rate ($50.3M operating, $53.7M free cash flow) with only ~3-4 months runway at current rates.

What is GWH-WT's revenue and growth?

ESS Tech, Inc. reported revenue of $1.6M.

Does GWH-WT pay dividends?

ESS Tech, Inc. does not currently pay dividends.

Where can I find GWH-WT SEC filings?

Official SEC filings for ESS Tech, Inc. (CIK: 0001819438) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is GWH-WT's EPS?

ESS Tech, Inc. has a diluted EPS of $-4.34.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is GWH-WT a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, ESS Tech, Inc. has a STRONG SELL rating with 98% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is GWH-WT stock overvalued or undervalued?

Valuation metrics for GWH-WT: ROE of -736.1% (sector avg: 15%), net margin of -4,007.6% (sector avg: 10%). Compare these metrics with sector averages to assess valuation.

Should I buy GWH-WT stock in 2026?

Our dual AI analysis gives ESS Tech, Inc. a combined STRONG SELL rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is GWH-WT's free cash flow?

ESS Tech, Inc.'s operating cash flow is $-50.3M, with capital expenditures of $3.4M. FCF margin is -3,390.5%.

How does GWH-WT compare to other Industrial stocks?

Vs Industrial sector averages: Net margin -4,007.6% (avg: 10%), ROE -736.1% (avg: 15%), current ratio 1.04 (avg: 1.8).

Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Apr 10, 2026 | Data as of: 2025-12-31 | Powered by Claude AI