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Start 7-day demoLatest ASPN insider trades
- Wood River Capital, LLCOpen-market sale$58.09M
Donald R. Young - OfficerOpen-market sale$184K- Santhosh P. Daniel
About ASPEN AEROGELS INC (ASPN)
The SEC lists ASPEN AEROGELS INC under CIK 0001145986, in lumber and other construction materials. It is grouped with Industrials companies on this site.
ASPN Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 1 | 12,280,426 | $58.09M |
| Tax withholding / forfeiture | 1 | 1,143 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
ASPN insider transactions (Form 4)
634 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Kathleen Kool | Grant or award | Common Stock | 10,370 | $0.00 | - | |
| Kathleen Kool | Grant or award | Stock Options (Right to Buy) | 9,105 | $0.00 | - | |
 William P. Noglows | Grant or award | Common Stock | 10,370 | $0.00 | - | |
| William P. Noglows | Grant or award | Stock Options (Right to Buy) | 9,105 | $0.00 | - | |
| Keith L. Schilling - Officer | Tax withholding / forfeiture | Common Stock | 349 | $18.05 | $6K | |
| Donald R. Young - Officer | Open-market sale | Common Stock | 63,355 | $30.03 | $1.90M |
Recent ASPN Form 144 notices of proposed sale
1An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| SANTHOSH P DANIEL | Officer | 5,593 | $35K | View on EDGAR |
ASPN insider trading FAQ
What is the latest insider trade for ASPN?
ASPEN AEROGELS INC (ASPN) had 2 insider filings in the last 90 days, with the most recent on 2026-10-01. The full record for ASPN runs to 34 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying ASPN stock?
No insider purchases of ASPN were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling ASPN stock?
1 insider sale of ASPN was filed in the last 90 days, totaling $58.09M.
Where can I see ASPN SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects ASPN Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Industrials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Glenn E. Deegan view on EDGAR
- - Wood River Capital, LLC view on EDGAR
- - William P. Noglows view on EDGAR
- - Steven R. Mitchell view on EDGAR
- - James E. Sweetnam view on EDGAR
- - William P. Noglows view on EDGAR
- - Kathleen Kool view on EDGAR
- - Cari Robinson view on EDGAR
- - Corby C. Whitaker view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Industrials
- Where ASPN's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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