EDGAR·FLOW

ASPEN AEROGELS INC — Form SCHEDULE 13D/A

Filed September 24, 2026 · analyzed by the Ownership Agent
SCHEDULE 13D/A — Neutral significance 22/100
What the filing says
Wood River Capital, LLC filed an amended Schedule 13D/A regarding its beneficial ownership position in Aspen Aerogels Inc (market value ~$480M). The filing is an amendment to a prior disclosure, but the specific changes to ownership percentages, share counts, or dollar amounts are not detailed in the accessible header text provided—only that the amendment was filed on September 24, 2026.
Why this rating

Amendment to existing disclosure; without concrete changes in ownership % or share count visible, routine regulatory update. No evidence of material change to position or control.

View original filing on SEC.gov ↗ ASPN · stock on Yahoo Finance ↗

See more from September 24, 2026.

EDGAR·FLOW summarizes public SEC EDGAR filings with automated analysis. Materiality scores and stock-impact predictions are algorithmically generated and are not investment advice. Always verify against the source filing on SEC.gov.