# Aspen Aerogels Inc: Form 10-K/A for the period ended Dec 31, 2025

- Company: [Aspen Aerogels Inc](/companies/aspn.md) (CIK 1145986)
- Form: 10-K/A
- Filed: 2026-03-23
- Accepted by EDGAR: Mar 23, 2026, 16:48 ET
- Period: 2025-12-31
- Accession: 0001193125-26-119892
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1145986/000119312526119892/aspn-20251231.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1145986/000119312526119892/

## Figures reported in this filing

Standardized XBRL line items for the period ended 2025-12-31.

| Line item | Period | Value | XBRL concept |
| --- | --- | ---: | --- |
| Revenue | 12 months, 2025-01-01 to 2025-12-31 | $271.1m | us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax |
| Cost of revenue | 12 months, 2025-01-01 to 2025-12-31 | $225.1m | us-gaap:CostOfGoodsAndServicesSold |
| Gross profit | 12 months, 2025-01-01 to 2025-12-31 | $46.0m | us-gaap:GrossProfit |
| Research and development | 12 months, 2025-01-01 to 2025-12-31 | $13.4m | us-gaap:ResearchAndDevelopmentExpense |
| Operating income | 12 months, 2025-01-01 to 2025-12-31 | −$378.2m | us-gaap:OperatingIncomeLoss |
| Income tax | 12 months, 2025-01-01 to 2025-12-31 | $2.4m | us-gaap:IncomeTaxExpenseBenefit |
| Net income | 12 months, 2025-01-01 to 2025-12-31 | −$389.6m | us-gaap:NetIncomeLoss |
| Diluted EPS | 12 months, 2025-01-01 to 2025-12-31 | −$4.73 | us-gaap:EarningsPerShareDiluted |
| Basic EPS | 12 months, 2025-01-01 to 2025-12-31 | −$4.73 | us-gaap:EarningsPerShareBasic |
| Diluted shares (weighted) | 12 months, 2025-01-01 to 2025-12-31 | 82,328,484 shares | us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding |
| Operating cash flow | 12 months, 2025-01-01 to 2025-12-31 | $32.9m | us-gaap:NetCashProvidedByUsedInOperatingActivities |
| Capital expenditure | 12 months, 2025-01-01 to 2025-12-31 | $37.4m | us-gaap:PaymentsToAcquirePropertyPlantAndEquipment |
| Cash and equivalents | at 2025-12-31 | $156.9m | us-gaap:CashAndCashEquivalentsAtCarryingValue |
| Current assets | at 2025-12-31 | $242.1m | us-gaap:AssetsCurrent |
| Total assets | at 2025-12-31 | $406.7m | us-gaap:Assets |
| Current liabilities | at 2025-12-31 | $62.0m | us-gaap:LiabilitiesCurrent |
| Total liabilities | at 2025-12-31 | $171.2m | us-gaap:Liabilities |
| Long-term debt | at 2025-12-31 | $65.5m | us-gaap:LongTermDebt |
| Current portion of debt | at 2025-12-31 | $25.1m | us-gaap:LongTermDebtCurrent |
| Shareholders' equity | at 2025-12-31 | $235.5m | us-gaap:StockholdersEquity |

## Sections

No standard item headings were found in this filing’s main document, so no sections were extracted. Read the original on sec.gov. https://www.sec.gov/Archives/edgar/data/1145986/000119312526119892/aspn-20251231.htm

Filed Mar 23, 2026.
Source: SEC EDGAR, the filing index for accession 0001193125-26-119892. Last ingested by Listed: Nov 6, 2026, 17:27 ET. No prices; not investment advice.