Aspen Aerogels Inc insiders have only been selling lately: two insiders trimmed about $58.3 million of stock over 12 months, with no open-market purchases.
Keep in mind most insider selling is routine — stock-based pay has to be converted to cash at some point.
Zooming out by quarter: Last full quarter: net selling by insiders. Insiders bought in 1 of the last 7 full quarters. Big money check: 180 institutions held ASPN as of Q2 2026, and more funds bought than sold.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Sep 24, 2026 | Wood River Capital, LLC | 10% Owner | Sell | 12,280,426 | $4.73 | $58.1M | SEC |
| Nov 14, 2025 | Young Donald R | CEO | Sell | 56,845 | $3.23 | $184K | SEC |
| Aug 13, 2025 | Daniel Santhosh P | Executive Officer | Sell | 4,410 | $7.31 | $32K | SEC |
| Aug 13, 2025 | Daniel Santhosh P | Executive Officer | Sell | 2,000 | $7.54 | $15K | SEC |
| May 12, 2025 | Young Donald R | CEO | Buy | 20,000 | $5.35 | $107K | SEC |
| Oct 1, 2024 | Young Donald R | CEO | Sell | 63,355 | $30.03 | $1.9M | SEC |
| Aug 28, 2024 | RODRIGUEZ RICARDO C. | CFO | Sell | 1,102 | $30.65 | $34K | SEC |
| Aug 28, 2024 | RODRIGUEZ RICARDO C. | CFO | Sell | 24,198 | $30.11 | $729K | SEC |
| Aug 28, 2024 | RODRIGUEZ RICARDO C. | CFO | Sell | 100 | $30.70 | $3K | SEC |
| Aug 28, 2024 | RODRIGUEZ RICARDO C. | CFO | Sell | 7,065 | $30.14 | $213K | SEC |
| May 29, 2024 | Young Donald R | CEO | Sell | 26,286 | $29.72 | $781K | SEC |
| May 29, 2024 | Young Donald R | CEO | Sell | 230,658 | $29.18 | $6.7M | SEC |
| May 29, 2024 | Young Donald R | CEO | Sell | 176,746 | $29.38 | $5.2M | SEC |
| May 23, 2024 | Kool Kathleen | Director | Sell | 4,470 | $27.30 | $122K | SEC |
| May 15, 2024 | KOCH INDUSTRIES INC | 10% Owner | Sell | 3,500,000 | $23.50 | $82.2M | SEC |
In the last 12 months Aspen Aerogels Inc insiders made open-market purchases worth about $0 and sales worth about $58.3 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in ASPN was filed on 2026-09-24.
180 investment managers reported holding ASPN in SEC Form 13F filings for Q2 2026.
No congressional trades in ASPN were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).