ASPN (Aspen Aerogels) Long-Term Debt: $68.3 Mil (As of Mar. 2026)


ASPN Aspen Aerogels Inc ASPN
68 GF Score
Price $5.58
GF Value $5.11
Valuation Fairly Valued
! 4 Warning Signs
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What is Aspen Aerogels Long-Term Debt?

Aspen Aerogels ASPN -5.90% 68 Long-Term Debt is $68.3 Mil as of Mar. 2026. GuruFocus rates ASPN with a GF Score™ of 68/100 and a GF Value™ of $5.11 (Fairly Valued). The stock has 4 warning signs investors should review.

Aspen Aerogels's Long-Term Debt for the quarter that ended in Mar. 2026 was $68.3 Mil.

Aspen Aerogels's quarterly Long-Term Debt declined from Sep. 2025 ($84.3 Mil) to Dec. 2025 ($79.8 Mil) and declined from Dec. 2025 ($79.8 Mil) to Mar. 2026 ($68.3 Mil).

Aspen Aerogels's annual Long-Term Debt increased from Dec. 2023 ($115.0 Mil) to Dec. 2024 ($137.1 Mil) but then declined from Dec. 2024 ($137.1 Mil) to Dec. 2025 ($79.8 Mil).

Aspen Aerogels  (NYSE:ASPN) Long-Term Debt Explanation

Long-Term Debt is the sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer. Long-Term Debt includes notes payable, bonds payable, mortgage loans, convertible debt, subordinated debt and other types of long term debt.

Aspen Aerogels Long-Term Debt Related Terms

Aspen Aerogels Long-Term Debt Historical Data

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The historical data trend for Aspen Aerogels's Long-Term Debt can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Aspen Aerogels Long-Term Debt Chart

Aspen Aerogels Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Long-Term Debt
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 103.58 114.99 137.09 79.80

Aspen Aerogels Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Long-Term Debt Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 124.37 106.25 84.34 79.80 68.31
ASPN
68GF Score
Aspen Aerogels Inc ASPN
Long-Term Debt is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about Long-Term Debt →
What does a Long-Term Debt of $68.3 Mil mean?
Aspen Aerogels (ASPN) has a Long-Term Debt of $68.3 Mil as of Mar. 2026.
Is Aspen Aerogels' Long-Term Debt too high?
Aspen Aerogels' current Long-Term Debt is $68.3 Mil. Overall, Aspen Aerogels has a GF Score™ of 68/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Aspen Aerogels' Long-Term Debt compare to AIRJ and JLHL?
Aspen Aerogels' Long-Term Debt of $68.3 Mil can be compared against companies in the Construction industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Long-Term Debt for a Construction company?
A good Long-Term Debt depends on the Construction industry context. However, Long-Term Debt should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Long-Term Debt mean?
A high Long-Term Debt can signal that a stock is expensive relative to its fundamentals. Aspen Aerogels's current Long-Term Debt is $68.3 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aspen Aerogels stock overvalued right now?
Based on GuruFocus' analysis, Aspen Aerogels (ASPN) is currently considered Fairly Valued. The stock's GF Value™ is $5.11, compared to a current price of $5.58 — trading 9.2% above its estimated fair value. The current Long-Term Debt is $68.3 Mil. Aspen Aerogels' overall GF Score™ is 68/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Long-Term Debt calculated?
Long-Term Debt is calculated from a company's financial statements. For Aspen Aerogels (ASPN), the current Long-Term Debt is $68.3 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Aspen Aerogels (ASPN) Overvalued in 2026?

Based on GuruFocus' analysis, Aspen Aerogels stock appears to be overvalued. The current stock price of $5.58 is trading 9.2% above its estimated GF Value™ of $5.11. GuruFocus considers Aspen Aerogels to be Fairly Valued.

Key valuation signals for ASPN:

  • Long-Term Debt: $68.3 Mil
  • GF Value™: $5.11 vs. price of $5.58 (9.2% above fair value)
  • GF Score™: 68/100 with 4 warning signs

No single metric tells the full story. See the ASPN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Aspen Aerogels Business Description

Address 30 Forbes Road, Building B, Northborough, MA, USA, 01532
Aspen Aerogels Inc is an aerogel technology company that designs, develops, and manufactures high-performance aerogel insulation used in the energy industrial and sustainable insulation markets. The company also conducts research and development related to aerogel technology, supported by funding from several agencies of the United States of America government and other institutions in the form of research and development contracts. It is engaged in two operating segment Energy Industrial and Thermal Barrier. Geographically, it operates in the U.S. and also has a presence in other International countries. It generates the majority of its revenue from the Thermal Barrier segment and the United States market. Some of its products include Pyrogel XTE, Cryogel Z, Spaceloft Subsea, and others.
68GF Score

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Long-Term Debt is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$5.58
Price
$5.11
GF Value