← Back to All US Stocks

Aspen Aerogels Inc. (ASPN) Stock Fundamental Analysis & AI Rating 2026

ASPN NYSE Wholesale-Lumber & Other Construction Materials DE CIK: 0001145986
Updated This Month • Analysis: Mar 20, 2026 • SEC Data: 2025-12-31
Combined AI Rating
SELL
84% Confidence
STRONG AGREEMENT
SELL
85% Conf
SELL
82% Conf

📊 ASPN Key Takeaways

Revenue: $271.1M
Net Margin: -143.7%
Free Cash Flow: $-4.6M
Current Ratio: 3.90x
Debt/Equity: 0.28x
EPS: $-4.73
AI Rating: SELL with 85% confidence
Aspen Aerogels Inc. (ASPN) receives a SELL rating with 84% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $271.1M, net profit margin of -143.7%, and return on equity (ROE) of -165.4%, Aspen Aerogels Inc. demonstrates mixed fundamentals in the Materials sector. Below is our complete ASPN stock analysis for 2026.

Is Aspen Aerogels Inc. (ASPN) a Good Investment?

Claude

Aspen Aerogels faces severe profitability challenges despite explosive 3515% revenue growth, with operating and net losses of $378M and $390M respectively indicating fundamental execution problems. The company is burning cash operationally despite massive top-line expansion, suggesting unsustainable cost structure and inability to scale profitably. While strong liquidity and balance sheet provide a runway for restructuring, the deteriorating cash conversion and negative operating leverage present substantial downside risk.

ChatGPT

Aspen Aerogels is showing exceptional top-line growth and solid liquidity, but the quality of that growth is weak because profitability remains deeply negative. The business generated positive operating cash flow and ended with strong cash balances, yet massive operating and net losses, negative returns on capital, and negative free cash flow indicate the model still needs substantial margin improvement to become fundamentally attractive.

Why Buy Aspen Aerogels Inc. Stock? ASPN Key Strengths

Claude
  • + Extraordinary revenue growth of 3515% YoY demonstrates strong market demand and market opportunity
  • + Solid balance sheet with $156.9M cash and 0.28x debt-to-equity ratio provides financial flexibility
  • + Strong liquidity position with 3.90x current ratio and 3.29x quick ratio ensures near-term solvency
ChatGPT
  • + Revenue growth is extremely strong, indicating meaningful demand expansion or scaling
  • + Liquidity is healthy with $156.86M in cash, a 3.90x current ratio, and a 3.29x quick ratio
  • + Leverage is manageable with debt/equity of 0.28x and modest long-term debt relative to equity

ASPN Stock Risks: Aspen Aerogels Inc. Investment Risks

Claude
  • ! Massive operating loss of -$378M with -139.5% operating margin indicates severe operational execution problems and unsustainable cost structure
  • ! Negative free cash flow of -$4.6M despite $32.9M operating cash flow signals poor capital allocation and inability to fund growth organically
  • ! Diluted EPS of -$4.73 shows per-share value destruction, with negative ROE of -165.4% and ROA of -95.8% indicating severe shareholder value erosion
  • ! Scale of losses ($390M net income) approaching 150% of revenue suggests fundamental business model issues, not temporary scaling inefficiencies
ChatGPT
  • ! Operating margin of -139.5% and net margin of -143.7% show the company is far from sustainable profitability
  • ! ROE of -165.4% and ROA of -95.8% indicate severe capital inefficiency
  • ! Free cash flow remains negative and interest coverage is deeply negative, limiting financial resilience if losses persist

Key Metrics to Watch

Claude
  • * Path to operating profitability and timeline to positive operating margin above 5%
  • * Free cash flow conversion and whether company achieves positive FCF within 2-3 quarters
  • * Gross margin sustainability and whether operating leverage emerges as revenue scales
ChatGPT
  • * Gross margin and operating margin improvement
  • * Free cash flow trend and cash burn sustainability

Aspen Aerogels Inc. (ASPN) Financial Metrics & Key Ratios

Revenue
$271.1M
Net Income
$-389.6M
EPS (Diluted)
$-4.73
Free Cash Flow
$-4.6M
Total Assets
$406.7M
Cash Position
$156.9M

💡 AI Analyst Insight

Strong liquidity with a 3.90x current ratio provides a solid financial cushion.

ASPN Profit Margin, ROE & Profitability Analysis

Gross Margin 17.0%
Operating Margin -139.5%
Net Margin -143.7%
ROE -165.4%
ROA -95.8%
FCF Margin -1.7%

ASPN vs Materials Sector: How Aspen Aerogels Inc. Compares

How Aspen Aerogels Inc. compares to Materials sector averages

Net Margin
ASPN -143.7%
vs
Sector Avg 10.0%
ASPN Sector
ROE
ASPN -165.4%
vs
Sector Avg 14.0%
ASPN Sector
Current Ratio
ASPN 3.9x
vs
Sector Avg 1.6x
ASPN Sector
Debt/Equity
ASPN 0.3x
vs
Sector Avg 0.6x
ASPN Sector

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

Is Aspen Aerogels Inc. Stock Overvalued? ASPN Valuation Analysis 2026

Based on fundamental analysis, Aspen Aerogels Inc. has mixed fundamental signals relative to the Materials sector in 2026.

Return on Equity
-165.4%
Sector avg: 14%
Net Profit Margin
-143.7%
Sector avg: 10%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.28x
Sector avg: 0.6x

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.

Aspen Aerogels Inc. Balance Sheet: ASPN Debt, Cash & Liquidity

Current Ratio
3.90x
Quick Ratio
3.29x
Debt/Equity
0.28x
Debt/Assets
42.1%
Interest Coverage
-472.79x
Long-term Debt
$65.5M

ASPN Revenue & Earnings Growth: 5-Year Financial Trend

ASPN 5-year financial data: Year 2021: Revenue $139.4M, Net Income -$14.6M, EPS N/A. Year 2022: Revenue $180.4M, Net Income -$21.8M, EPS $-0.83. Year 2023: Revenue $238.7M, Net Income -$37.1M, EPS $-1.22. Year 2024: Revenue $452.7M, Net Income -$82.7M, EPS $-2.10. Year 2025: Revenue $452.7M, Net Income -$45.8M, EPS $-0.66.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Aspen Aerogels Inc.'s revenue has grown significantly by 225% over the 5-year period, indicating strong business expansion. The most recent EPS of $-0.66 indicates the company is currently unprofitable.

ASPN Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
-1.7%
Free cash flow / Revenue

ASPN Quarterly Earnings & Performance

Quarterly financial performance data for Aspen Aerogels Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $73.0M -$1.8M $0.03
Q2 2025 $78.0M -$1.8M $-0.11
Q1 2025 $78.7M -$1.8M $-0.02
Q3 2024 $60.8M -$1.8M $0.03
Q2 2024 $48.2M -$1.8M $0.19
Q1 2024 $45.6M -$1.8M $-0.02
Q3 2023 $36.7M -$13.1M $-0.19
Q2 2023 $45.6M -$15.4M $-0.22

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

Aspen Aerogels Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$32.9M
Cash generated from operations
Capital Expenditures
$37.4M
Investment in assets
Dividends
None
No dividend program

ASPN SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Aspen Aerogels Inc. (CIK: 0001145986)

📋 Recent SEC Filings

Date Form Document Action
Mar 27, 2026 DEF 14A aspn-20260326.htm View →
Mar 23, 2026 10-K/A aspn-20251231.htm View →
Mar 13, 2026 10-K aspn-20251231.htm View →
Mar 10, 2026 4 xslF345X05/ownership.xml View →
Mar 10, 2026 4 xslF345X05/ownership.xml View →

Frequently Asked Questions about ASPN

What is the AI rating for ASPN?

Aspen Aerogels Inc. (ASPN) has a Combined AI Rating of SELL from Claude (SELL) and ChatGPT (SELL) with 84% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are ASPN's key strengths?

Claude: Extraordinary revenue growth of 3515% YoY demonstrates strong market demand and market opportunity. Solid balance sheet with $156.9M cash and 0.28x debt-to-equity ratio provides financial flexibility. ChatGPT: Revenue growth is extremely strong, indicating meaningful demand expansion or scaling. Liquidity is healthy with $156.86M in cash, a 3.90x current ratio, and a 3.29x quick ratio.

What are the risks of investing in ASPN?

Claude: Massive operating loss of -$378M with -139.5% operating margin indicates severe operational execution problems and unsustainable cost structure. Negative free cash flow of -$4.6M despite $32.9M operating cash flow signals poor capital allocation and inability to fund growth organically. ChatGPT: Operating margin of -139.5% and net margin of -143.7% show the company is far from sustainable profitability. ROE of -165.4% and ROA of -95.8% indicate severe capital inefficiency.

What is ASPN's revenue and growth?

Aspen Aerogels Inc. reported revenue of $271.1M.

Does ASPN pay dividends?

Aspen Aerogels Inc. does not currently pay dividends.

Where can I find ASPN SEC filings?

Official SEC filings for Aspen Aerogels Inc. (CIK: 0001145986) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is ASPN's EPS?

Aspen Aerogels Inc. has a diluted EPS of $-4.73.

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 ASPN a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Aspen Aerogels Inc. has a SELL rating with 84% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is ASPN stock overvalued or undervalued?

Valuation metrics for ASPN: ROE of -165.4% (sector avg: 14%), net margin of -143.7% (sector avg: 10%). Compare these metrics with sector averages to assess valuation.

Should I buy ASPN stock in 2026?

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

What is ASPN's free cash flow?

Aspen Aerogels Inc.'s operating cash flow is $32.9M, with capital expenditures of $37.4M. FCF margin is -1.7%.

How does ASPN compare to other Materials stocks?

Vs Materials sector averages: Net margin -143.7% (avg: 10%), ROE -165.4% (avg: 14%), current ratio 3.90 (avg: 1.6).

Top Rated Stocks
NSSC 92% MLI 92% MELI 92% MDXG 92% MANH 92% INVA 92% GGG 92% GCT 92% FTNT 92% FSLR 92%
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: Mar 20, 2026 | Data as of: 2025-12-31 | Powered by Claude AI