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Schedule 13D filing
Wood River Capital, LLC cut its Aspen Aerogels Inc (ASPN) stake below 5%
Wood River Capital, LLC reported owning 0% of Aspen Aerogels Inc (ASPN) in a Schedule 13D filed Sep 25, 2026.
A 13D means the holder may push for changes at the company.
More ASPN insider and Congress trades
From a public Schedule 13D, linked above. Not investment advice, and not a recommendation to buy or sell.