{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-26-002620","form_type":"8-K","ticker":"ASPN","cik":"0001145986","company_name":"ASPEN AEROGELS INC","filed_at":"2026-04-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.010085+00:00","generated_at":"2026-05-15T05:03:36.661423+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Aspen Aerogels: East Providence facility remains offline after April 8 explosion","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-26-002620","json":"https://secwatch.observer/filing/0001171843-26-002620.json","markdown":"https://secwatch.observer/filing/0001171843-26-002620.md","text":"https://secwatch.observer/filing/0001171843-26-002620.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1145986/000117184326002620/0001171843-26-002620-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1145986/000117184326002620/f8k_042126.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T05:03:36.661423+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}