ASPN insider trading — Aspen Aerogels Inc
Over the last 90 days, insiders at Aspen Aerogels Inc (ASPN) made 0 open-market purchases worth $0 and 1 open-market sale worth $58.09M, making them net sellers by $58.09M. The largest sale was by Wood River Capital, Llc, Koch, Inc. (10% Owner), who sold 12,280,426 shares for $58.09M on Sep 23, 2026.
Updated Oct 16, 2026.
Recent ASPN insider transactions
Every Form 4 filed by Aspen Aerogels Inc officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | Deegan Glenn E. | CAO, GC & Corp Secretary | F · Tax withholding | Direct | 1,143 | $5.48 | $6K | Form 4 |
| Sep 23, 2026 | Wood River Capital, Llc, Koch, Inc. | 10% Owner | S · Sale | Direct | 12,280,426 | $4.73 | $58.09M | Form 4 |
ASPN insider trading FAQ
Are insiders buying ASPN stock?
Not on the open market. In the last 90 days, Aspen Aerogels Inc insiders made no open-market purchases, and 1 open-market sale totaling $58.09M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading ASPN?
Recent sellers: Wood River Capital, Llc, Koch, Inc..
Where does ASPN insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.