{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-034656","form_type":"8-K","ticker":"ASPN","cik":"0001145986","company_name":"ASPEN AEROGELS INC","filed_at":"2025-03-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:03.043499+00:00","generated_at":"2026-05-25T04:56:30.648569+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Aspen Aerogels directors Blalock and Noetzel to retire at 2025 annual meeting; board to shrink to six","bullets":["Rebecca B. Blalock and Mark L. Noetzel will retire from the board effective immediately after the April 30, 2025 annual meeting.","The retirements are part of a regular refreshment process, not due to any disagreement with the company.","Board size will decrease from eight to six members upon their departure.","Committee chairs rotated: Katie Kool to lead Audit, William Noglows Compensation, Cari Robinson Nominating & Governance.","Effective date of committee changes is the date of the 2025 Annual Meeting (April 30, 2025)."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-034656","json":"https://secwatch.observer/filing/0000950170-25-034656.json","markdown":"https://secwatch.observer/filing/0000950170-25-034656.md","text":"https://secwatch.observer/filing/0000950170-25-034656.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1145986/000095017025034656/0000950170-25-034656-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1145986/000095017025034656/aspn-20250304.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-25T04:56:30.648569+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"}