Aspen Aerogels Inc ASPN
We take great care to ensure that the data presented and summarized in this overview for ASPEN AEROGELS INC is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding ASPN
View all-
Black Rock Inc. New York, NY4.49MShares$35.9 Million0.0% of portfolio
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Vanguard Group Inc Valley Forge, PA4.49MShares$35.9 Million0.0% of portfolio
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Oaktop Capital Management Ii, L.P. Chatham, NJ4.39MShares$35.2 Million3.9% of portfolio
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George Kaiser Family Foundation3.17MShares$25.3 Million2.71% of portfolio
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Samjo Capital LLC3.02MShares$24.1 Million10.25% of portfolio
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Needham Investment Management LLC New York, NY3.01MShares$24.1 Million1.63% of portfolio
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Dimensional Fund Advisors LP Austin, TX2.45MShares$19.6 Million0.0% of portfolio
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Goldman Sachs Group Inc New York, NY2.2MShares$17.6 Million0.0% of portfolio
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State Street Corp Boston, MA1.92MShares$15.4 Million0.0% of portfolio
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Cowen Prime Advisors LLC1.91MShares$15.3 Million5.26% of portfolio
Latest Institutional Activity in ASPN
Top Purchases
Top Sells
About ASPN
Aspen Aerogels, Inc. designs, develops, manufactures, and sells aerogel insulation products primarily for use in the energy infrastructure and building materials markets in the United States, Asia, Canada, Europe, and Latin America. The company offers PyroThin thermal barriers for use in lithium-ion batteries in electric vehicles and energy storage industries; Pyrogel XTE that reduces the risk of corrosion under insulation in energy infrastructure operating systems; Pyrogel HPS for applications within the power generation market; Pyrogel XTF to provide protection against fire; Cryogel Z for sub-ambient and cryogenic applications in the energy infrastructure market; and Spaceloft Subsea for use in pipe-in-pipe applications in offshore oil production. It also offers Spaceloft Grey and Spaceloft A2 for use in the building materials market; and Cryogel X201, which is used in designing cold systems, such as refrigerated appliances, cold storage equipment, and aerospace systems. The company was founded in 2001 and is headquartered in Northborough, Massachusetts.
Insider Transactions at ASPN
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Oct 01
2025
|
Grant Douglas Thoele CFO & Treasurer |
BUY
Grant, award, or other acquisition
|
Direct |
10,273
+40.84%
|
-
|
|
Sep 30
2025
|
Glenn E. Deegan CAO, GC & Corp Secretary |
BUY
Grant, award, or other acquisition
|
Direct |
11,673
+50.0%
|
-
|
|
Sep 13
2025
|
Santhosh P Daniel Chief Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,563
-8.74%
|
$9,378
$6.59 P/Share
|
|
Sep 05
2025
|
Stephanie Pittman Chief Human Resources Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,581
-3.61%
|
$9,486
$6.61 P/Share
|
|
Aug 13
2025
|
Santhosh P Daniel Chief Accounting Officer |
SELL
Open market or private sale
|
Direct |
2,000
-10.06%
|
$14,000
$7.54 P/Share
|
|
Aug 12
2025
|
Santhosh P Daniel Chief Accounting Officer |
SELL
Open market or private sale
|
Direct |
4,410
-18.16%
|
$30,870
$7.31 P/Share
|
|
May 23
2025
|
Virginia Johnson CLO, GC, and Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
6,129
-12.12%
|
$36,774
$6.39 P/Share
|
|
May 12
2025
|
Donald R Young President and CEO |
BUY
Open market or private purchase
|
Direct |
20,000
+3.5%
|
$100,000
$5.35 P/Share
|
|
Apr 30
2025
|
William P Noglows |
BUY
Grant, award, or other acquisition
|
Direct |
10,370
+10.44%
|
-
|
|
Apr 30
2025
|
Kathleen Kool |
BUY
Grant, award, or other acquisition
|
Direct |
10,370
+30.21%
|
-
|
|
Apr 30
2025
|
Cari Robinson |
BUY
Grant, award, or other acquisition
|
Direct |
10,370
+45.85%
|
-
|
|
Apr 30
2025
|
James E Sweetnam |
BUY
Grant, award, or other acquisition
|
Direct |
10,370
+28.55%
|
-
|
|
Apr 30
2025
|
Steven R Mitchell |
BUY
Grant, award, or other acquisition
|
Direct |
10,370
+6.61%
|
-
|
|
Mar 07
2025
|
Corby C Whitaker SVP, Sales and Marketing |
SELL
Payment of exercise price or tax liability
|
Direct |
1,924
-1.24%
|
$13,468
$7.95 P/Share
|
|
Mar 07
2025
|
Keith L Schilling SVP, Technology |
SELL
Payment of exercise price or tax liability
|
Direct |
1,924
-3.72%
|
$13,468
$7.95 P/Share
|
|
Mar 07
2025
|
Donald R Young President and CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
3,569
-0.67%
|
$24,983
$7.95 P/Share
|
|
Mar 07
2025
|
Virginia Johnson CLO, GC, and Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
1,924
-3.66%
|
$13,468
$7.95 P/Share
|
|
Mar 07
2025
|
Gregg Landes SVP, Operations and Strat Deve |
SELL
Payment of exercise price or tax liability
|
Direct |
1,924
-3.62%
|
$13,468
$7.95 P/Share
|
|
Mar 07
2025
|
Ricardo C. Rodriguez CFO & Treasurer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,924
-3.25%
|
$13,468
$7.95 P/Share
|
|
Mar 05
2025
|
Gregg Landes SVP, Operations and Strat Deve |
BUY
Grant, award, or other acquisition
|
Direct |
24,713
+31.75%
|
-
|
Last 12 Months Summary
| Grant, award, or other acquisition | 296K shares |
|---|---|
| Open market or private purchase | 20K shares |
| Payment of exercise price or tax liability | 34.3K shares |
|---|---|
| Open market or private sale | 6.41K shares |