Company profile
Aspen Aerogels Inc Insider Trading
ASPNEvery SEC Form 4 insider trading filing for Aspen Aerogels Inc (ASPN) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Wholesale-Lumber & Other Construction Materials
- CIK
- 0001145986
- Filings
- 128
- Insiders
- 21
- Last filing
- 2026-06-23
Activity summary
No insider transactions in the last 30 days. The most recent was on June 23, 2026, when Noglows William P bought 14,799 shares. 128 filings from 21 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q3 23 to Q2 26. Aspen Aerogels Inc insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $100.1M.
90 day insight
Over the last 90 days, Aspen Aerogels Inc insiders bought $70K across 2 transactions with no open-market sales.
- Most active insider: Noglows William P with 2 transactions totaling $70K.
- Largest single purchase: $70K by Noglows William P on Jun 23, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 23, 2026 | Noglows William P | ASPN | Option Exercise | 14,799 | $4.75 | $70K |
| Jun 23, 2026 | Noglows William P | ASPN | Option Exercise | 14,799 | — | — |
| May 13, 2026 | Sweetnam James E | ASPN | Award | 8,706 | — | — |
| May 13, 2026 | Sweetnam James E | ASPN | Award | 10,370 | — | — |
| May 13, 2026 | Noglows William P | ASPN | Award | 10,370 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Aspen Aerogels Inc as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →