ASPN SEC Form 4 filings
Aspen Aerogels Inc Latest Insider Trading Activity
The most recent employee insider trading activity for Aspen Aerogels Inc was on November 13, 2025, when Young Donald R (President and CEO) reported a sale of 56,845 shares at $3.23 per share. For the past 2,129 days, ASPN has had 16 total insider transactions represented in the displayed records. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For ASPN Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10b5-1: Scheduled Form 4 Transaction ASPN | 2025-11-14 | 2025-11-13 | Aspen Aerogels Inc | Young Donald R | President and CEO | Sell | 1 | 56,845 | $3.23 | $183,609.35 | 10.32% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ASPN | 2025-08-13 | 2025-08-13 | Aspen Aerogels Inc | Daniel Santhosh P | Chief Accounting Officer | Sell | 2 | 6,410 | $7.38 | $47,317.10 | 14.51% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ASPN | 2025-05-12 | 2025-05-12 | Aspen Aerogels Inc | Young Donald R | President and CEO | Buy | 1 | 20,000 | $5.35 | $107,000.00 | 3.63% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. ASPN | 2024-05-23 | 2024-05-22 | Aspen Aerogels Inc | Kool Kathleen | Director | Sell | 1 | 4,470 | $27.30 | $122,031.00 | 27.67% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ASPN | 2023-09-06 | 2023-09-05 | Aspen Aerogels Inc | Mitchell Steven R | Director | Buy | 1 | 50,000 | $6.17 | $308,500.00 | 39.46% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ASPN | 2023-08-22 | 2023-08-22 | Aspen Aerogels Inc | Noetzel Mark L | Director | Buy | 1 | 4,000 | $5.65 | $22,600.00 | 3.35% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ASPN | 2023-08-08 | 2023-08-08 | Aspen Aerogels Inc | Young Donald R | President and CEO | Buy | 1 | 25,000 | $6.83 | $170,750.00 | 3.81% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. ASPN | 2021-11-10 | 2021-11-09 | Aspen Aerogels Inc | Whitaker Corby C | SVP, Sales and Marketing | Sell | 3 | 24,735 | $57.73 | $1,427,947.21 | 6.81% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. ASPN | 2020-11-27 | 2020-11-25 | Aspen Aerogels Inc | Whitaker Corby C | SVP, Sales and Marketing | Sell | 2 | 73,821 | $14.45 | $1,066,483.44 | 24.47% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. ASPN | 2020-11-18 | 2020-11-17 | Aspen Aerogels Inc | Whitaker Corby C | SVP, Sales and Marketing | Sell | 3 | 43,016 | $11.41 | $490,755.13 | 11.18% | View Filing |
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