Quick Answer
ASPEN AEROGELS INC reported Long-Term Debt of $65.45 million for fiscal year 2025.
ASPEN AEROGELS INC Long-Term Debt — Annual History
| Fiscal Year | Long-Term Debt | YoY Change |
|---|---|---|
| 2025 | $65.45M | -31.1% |
| 2024 | $94.96M | +4512.0% |
| 2020 | $2.06M | — |
Quarterly Long-Term Debt
| Quarter Ending | Long-Term Debt | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $70.09M | -25.2% | -9.3% |
| June 30, 2025 | $77.27M | — | -19.0% |
| March 31, 2025 | $95.42M | — | +0.5% |
| December 31, 2024 | $94.96M | — | +1.4% |
| September 30, 2024 | $93.67M | — | +11365.6% |
| March 31, 2021 | $817.0K | — | -60.3% |
| December 31, 2020 | $2.06M | — | -37.6% |
| September 30, 2020 | $3.30M | — | -9.9% |
- ASPEN AEROGELS INC showed a decrease of -31.1% in Long-Term Debt compared to the prior fiscal year.
- Over the 2020–2025 period, ASPEN AEROGELS INC’s long-term debt has grown by 3079.0% (from $2.06 million to $65.45 million).
- The most recent figure is from ASPEN AEROGELS INC’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 13, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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