ASPEN AEROGELS (ASPN) stock: insider trades, news & valuation
Net sellingShare price and insider trades
ASPEN AEROGELS insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 2 sold $58.3M of ASPN stock on the open market.
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ASPN insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $58.1M | 1 |
| Q2 2026 | — | 0 | — | 0 |
| Q1 2026 | — | 0 | — | 0 |
| Q4 2025 | — | 0 | $184K | 1 |
Valuation, profit and volume
Summary
Over the past 12 months, 0 ASPEN AEROGELS INC insiders reported open-market purchases totaling $0, while 2 insiders reported sales totaling $58.3M. 1 of 2 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
ASPN earnings: how the stock reacted
Each quarterly results release (SEC 8-K Item 2.02), the trend before it, insider trades in the 30 days before, and the 2-day market reaction. “E” marks releases on the chart above.
| Release | 15 days before | Insiders, 30 days before | Reaction (2 days) | Next 30 days |
|---|---|---|---|---|
| Aug 6, 2026 | -7.7% | None | +24.8%S&P +0.5% | -21.3% |
| May 7, 2026 | +16.1% | None | +22.3%S&P +0.5% | +11.9% |
| Feb 25, 2026 | +2.6% | None | -11.8%S&P +0.3% | +5.1% |
| Nov 6, 2025 | -6.4% | None | -47.9%S&P -1.0% | -8.3% |
| Aug 7, 2025 | +6.0% | None | -8.4%S&P +0.7% | -12.5% |
| May 8, 2025 | +10.3% | None | -13.0%S&P +0.6% | +21.6% |
| Feb 12, 2025 | +10.6% | None | -25.9%S&P +0.7% | -18.0% |
| Nov 6, 2024 | -13.2% | None | -9.4%S&P +3.3% | -20.3% |
Most companies bar insiders from trading in the weeks before results, so pre-earnings purchases are rare and often made by directors or under pre-set plans. Past reactions don't predict future ones.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 24SEC | Wood River Capital, LlcFormer 10% Owner | Sell | 12,280,426 | $4.73 | $58.1M | +19.5% | — |
| Nov 14SEC | Donald R YoungCEO, President | Sell Plan | 56,845494,011 held (−10%) | $3.23 | $184K | +74.9% | — |
Insiders at ASPEN AEROGELS INC
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Wood River Capital, LlcFormer 10% Owner | — | $58.1M | Sep 24, 2026 | — |
| Donald R YoungCEO, President | — | $184K | Nov 14, 2025 | — |
ASPN stock: common questions
Are ASPEN AEROGELS INC insiders buying ASPN stock?
In the past 12 months, 0 insiders reported open-market purchases of ASPN worth $0.
Are ASPEN AEROGELS INC insiders selling ASPN stock?
2 insiders reported sales worth $58.3M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is ASPN's 52-week range?
Over the past year ASPN has traded between $2.57 and $8.82. It last closed at $5.65 on Oct 9, 2026.