secwatch.observer — SEC 8-K summary
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Issuer:     ASPEN AEROGELS INC (ASPN)
CIK:        0001145986
Form:       8-K
Filed at:   2026-04-21T23:59:59+00:00
Accession:  0001171843-26-002620
Event type: other_material
Sentiment:  negative
Materiality: 0.65
Item codes: 7.01, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Aspen Aerogels: East Providence facility remains offline after April 8 explosion
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- Explosion damaged production space, origin traced to high-temperature oven.
- Eleven employees transported to medical facilities and subsequently released.
- Facility remains offline as of April 21; company working with authorities on restart plan.
- Business interruption and property damage insurance claims process initiated.
- Further update expected with fiscal Q1 2026 earnings release in early May.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1145986/000117184326002620/0001171843-26-002620-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1145986/000117184326002620/f8k_042126.htm
  HTML page:      https://secwatch.observer/filing/0001171843-26-002620

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