| $126M | ||
| $85M | ||
| $34M | ||
| $33M | ||
| $32M | ||
| $27M |
Buys | $0 | 0 | 0 |
Sells | $58,270,024 | 2 | 100 |
| Young Donald R | President and CEO | 0 | $0 | 1 | $183,609 | $-183,609 |
| Wood River Capital, LLC | Former 10% Owner | 0 | $0 | 1 | $58.09M | $-58.09M |
Aspen Aerogels, Inc. is a company dedicated to the development, manufacturing, and sale of advanced aerogel insulation products. These specialized solutions primarily serve the energy infrastructure and building materials sectors across a wide geographical area, encompassing the United States, Asia, Canada, Europe, and Latin America. Their extensive product portfolio includes PyroThin, designed as thermal barriers crucial for lithium-ion batteries in electric vehicles and various energy storage systems. For the energy infrastructure sector, …
Over the last 12 months, insiders at Aspen Aerogels, Inc. have bought $0 and sold $58.27M worth of Aspen Aerogels, Inc. stock.
On average, over the past 5 years, insiders at Aspen Aerogels, Inc. have bought $51.75M and sold $40.49M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 20,000 shares for transaction amount of $107,000 was made by Young Donald R (President and CEO) on 2025‑05‑12.
| 2026-09-23 | Sale | Wood River Capital, LLC | Former 10% Owner | 12.28M 12.3393% | $4.73 | $58.09M | -4.93% | |
| 2025-11-13 | Sale | Young Donald R | President and CEO | 56,845 0.0691% | $3.23 | $183,609 | +43.79% | |
| 2025-08-13 | Sale | Daniel Santhosh P | Chief Accounting Officer | 2,000 0.0025% | $7.54 | $15,080 | -41.23% | |
| 2025-08-12 | Sale | Daniel Santhosh P | Chief Accounting Officer | 4,410 0.0056% | $7.31 | $32,237 | -40.84% | |
| 2025-05-12 | Young Donald R | President and CEO | 20,000 0.0248% | $5.35 | $107,000 | -3.80% | ||
| 2024-09-30 | Sale | Young Donald R | President and CEO | 63,355 0.0907% | $30.03 | $1.9M | -73.35% | |
| 2024-08-26 | Sale | RODRIGUEZ RICARDO C. | CFO & Treasurer | 32,465 0.0419% | $30.14 | $978,387 | -73.58% | |
| 2024-05-29 | Sale | Young Donald R | President and CEO | 176,746 0.2314% | $29.38 | $5.19M | -51.37% | |
| 2024-05-28 | Sale | Young Donald R | President and CEO | 256,944 0.3379% | $29.24 | $7.51M | -50.87% | |
| 2024-05-22 | Sale | Kool Kathleen | director | 4,470 0.0059% | $27.30 | $122,031 | -45.90% | |
| 2024-05-14 | Sale | Wood River Capital, LLC | 10 percent owner | 3.5M 4.2501% | $23.50 | $82.25M | -36.46% | |
| 2024-05-13 | Sale | SCHILLING KEITH L | SVP, Technology | 20,000 0.0258% | $26.84 | $536,895 | -39.15% | |
| 2024-05-06 | Sale | Whitaker Corby C | SVP, Sales and Marketing | 55,159 0.0699% | $25.01 | $1.38M | -30.06% | |
| 2024-05-06 | Sale | Landes Gregg | SVP, Operations and Strat Deve | 48,386 0.0623% | $25.39 | $1.23M | -30.06% | |
| 2023-11-20 | Sale | Landes Gregg | SVP, Operations and Strat Deve | 155 0.0002% | $11.01 | $1,707 | +66.12% | |
| 2023-09-07 | Mitchell Steven R | director | 7,541 0.0107% | $6.50 | $49,009 | +147.16% | ||
| 2023-09-05 | Mitchell Steven R | director | 50,000 0.0711% | $6.17 | $308,455 | +158.72% | ||
| 2023-08-22 | Noetzel Mark L | director | 4,000 0.0058% | $5.65 | $22,581 | +175.85% | ||
| 2023-08-08 | Young Donald R | President and CEO | 25,000 0.0358% | $6.83 | $170,698 | +120.48% | ||
| 2022-12-06 | SWEETNAM JAMES E | director | 2,700 0.0055% | $11.30 | $30,510 | -29.97% |
| Young Donald R | President and CEO | 494011 0.5953% | $2.45M | 19 | 7 | +10.38% |
| Wood River Capital, LLC | Former 10% Owner | 0 0% | $0 | 1 | 2 | <0.0001% |
| KOCH INDUSTRIES INC | 1791986 2.1593% | $8.89M | 1 | 0 | <0.0001% | |
| Gervis Robert M. | 352483 0.4247% | $1.75M | 31 | 0 | +8.34% | |
| Mitchell Steven R | director | 134260 0.1618% | $665,929.60 | 2 | 0 | +152.94% |
| Whitaker Corby C | SVP, Sales and Marketing | 131533 0.1585% | $652,403.68 | 2 | 15 | <0.0001% |
| Noetzel Mark L | director | 119322 0.1438% | $591,837.12 | 3 | 0 | +53.03% |
| NOGLOWS WILLIAM P | director | 46178 0.0556% | $229,042.88 | 1 | 0 | <0.0001% |
| Reilly Richard F | director | 36178 0.0436% | $179,442.88 | 1 | 0 | <0.0001% |
| SWEETNAM JAMES E | director | 6195 0.0075% | $30,727.20 | 1 | 0 | <0.0001% |
| FAIRBANKS JOHN F | VP, CFO and Treasurer | 1485 0.0018% | $7,365.60 | 1 | 0 | <0.0001% |
| Increased Positions | 93 | +33.1% | 12M | +16.13% |
| Decreased Positions | 125 | -44.48% | 13M | -17.58% |
| New Positions | 46 | New | 3M | New |
| Sold Out Positions | 61 | Sold Out | 5M | Sold Out |
| Total Postitions | 249 | -11.39% | 70M | -1.45% |
| Kim, Llc | $35,490.00 | 14.8% | 12.28M | 0 | 0% | 2025-09-30 |
| Blackrock, Inc. | $14,385.00 | 6% | 4.98M | +372 | +<0.01% | 2025-09-30 |
| Vanguard Group Inc | $13,035.00 | 5.43% | 4.51M | +22,686 | +0.51% | 2025-09-30 |
| Oaktop Capital Management Ii, L.P. | $12,700.00 | 5.3% | 4.39M | 0 | 0% | 2025-09-30 |
| Needham Investment Management Llc | $9,941.00 | 4.14% | 3.44M | +425,500 | +14.12% | 2025-09-30 |
| George Kaiser Family Foundation | $9,154.00 | 3.82% | 3.17M | 0 | 0% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $6,508.00 | 2.71% | 2.25M | -197,090 | -8.05% | 2025-09-30 |
| State Street Corp | $5,620.00 | 2.34% | 1.94M | +23,639 | +1.23% | 2025-09-30 |
| Telemark Asset Management, Llc | $5,180.00 | 2.16% | 1.79M | 0 | 0% | 2025-09-30 |
| Gagnon Securities Llc | $5,071.00 | 2.11% | 1.75M | -144,275 | -7.6% | 2025-09-30 |