---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-017251"
form_type: "8-K"
ticker: "ASPN"
cik: "0001145986"
company_name: "ASPEN AEROGELS INC"
filed_at: "2023-05-03T23:59:59+00:00"
generated_at: "2026-06-16T00:19:06.582954+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Aspen Aerogels Q1 revenue $45.6M (+19% YoY); net loss narrows to $16.8M; reaffirms FY23 outlook

## Summary
- Revenue $45.6M vs $38.4M YoY; net loss $16.8M ($0.24 loss per share) vs $19.5M ($0.59) prior year.
- Adjusted EBITDA loss $(13.9)M vs $(14.7)M; company reiterates 2023 revenue and adjusted EBITDA guidance.
- Awarded PyroThin contract for European EV commercial truck program; production start early 2024.
- Executing contract manufacturing strategy to increase capacity for Energy Industrial customers in 2024.

## SEC filing metadata
- accession: 0000950170-23-017251
- form_type: 8-K
- ticker: ASPN
- cik: 0001145986
- company_name: ASPEN AEROGELS INC
- filed_at: 2023-05-03T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1145986/000095017023017251/0000950170-23-017251-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1145986/000095017023017251/aspn-20230503.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-017251
- JSON: https://secwatch.observer/filing/0000950170-23-017251.json
- Plain text: https://secwatch.observer/filing/0000950170-23-017251.txt

## Key facts
- Earnings Releases
  ASPEN AEROGELS INC reported the first quarter of 2023 results: revenue $45.6 million, net income $16.8 million, EPS $0.24. Guidance reaffirmed.
  - Period: the first quarter of 2023
  - Revenue: $45.6 million
  - Net income: $16.8 million
  - EPS: $0.24
  - Guidance: reaffirmed
  - Result: reported results
  source text: Total revenue for the first quarter of 2023 was $45.6 million, compared to $38.4 million in the first quarter of last year. Net loss was $16.8 million, compared to a net loss of $19.5 million in the first quarter of last year. Net loss per share was $0.24, compared to a net loss per share of $0.59 in the first quarter last year.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1145986/000095017023017251/0000950170-23-017251-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.