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ASPN Insider Trading

Insider Ownership Percentage: 2.96%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $183,609.35

Aspen Aerogels Insider Trading History Chart

This chart shows the insider buying and selling history at Aspen Aerogels by year and by quarter.

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Aspen Aerogels Share Price & Price History

Current Price: $5.02
Price Change: ▼ Price Decrease of -0.115 (-2.24%)
As of 09/18/2026 01:31 PM ET

This chart shows the closing price history over time for ASPN up to the past year.

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Days: 30 | 90 | 365

Aspen Aerogels Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/13/2025Donald R. YoungCEOSell56,845$3.23$183,609.35494,011View SEC Filing Icon  
8/13/2025Santhosh P DanielCAOSell2,000$7.54$15,080.0017,879View SEC Filing Icon  
8/12/2025Santhosh P DanielCAOSell4,410$7.31$32,237.1019,879View SEC Filing Icon  
5/12/2025Donald R. YoungCEOBuy20,000$5.35$107,000.00550,856View SEC Filing Icon  
9/30/2024Donald R. YoungCEOSell63,355$30.03$1,902,550.65483,640View SEC Filing Icon  
8/26/2024Ricardo C RodriguezCFOSell32,465$30.14$978,495.1020,790View SEC Filing Icon  
5/28/2024Donald R. YoungCEOSell256,944$29.24$7,513,042.56502,855View SEC Filing Icon  
5/14/2024Wood River Capital, LlcMajor ShareholderSell3,500,000$23.50$82,250,000.0012,280,426View SEC Filing Icon  
5/13/2024Keith L SchillingSVPSell20,000$26.84$536,800.0028,792View SEC Filing Icon  
5/6/2024Corby C. WhitakerSVPSell55,159$25.01$1,379,526.59131,533View SEC Filing Icon  
11/20/2023Gregg LandesSVPSell155$11.01$1,706.55126,393View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Aspen Aerogels (NYSE:ASPN)

97.64% of Aspen Aerogels stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ASPN by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Aspen Aerogels Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026WINTON GROUP Ltd61,200$0.39M0.0%N/A0.074%Search for SEC Filing on Google Icon
9/9/2026IFP Advisors Inc5,561$35K0.0%-37.5%0.007%Search for SEC Filing on Google Icon
9/9/2026Squarepoint Ops LLC16,460$0.10M0.0%-72.5%0.020%Search for SEC Filing on Google Icon
9/9/2026Baird Financial Group Inc.345,193$2.19M0.0%N/A0.416%Search for SEC Filing on Google Icon
8/22/2026Concurrent Investment Advisors LLC32,050$0.20M0.0%+6.7%0.039%Search for SEC Filing on Google Icon
8/20/2026Headlands Technologies LLC27,413$0.17M0.0%N/A0.033%Search for SEC Filing on Google Icon
8/19/2026Hsbc Holdings PLC13,846$86K0.0%-86.8%0.017%Search for SEC Filing on Google Icon
8/18/2026Equitable Holdings Inc.13,830$88K0.0%N/A0.017%Search for SEC Filing on Google Icon
8/18/2026Jefferies Financial Group Inc.126,303$0.80M0.0%N/A0.152%Search for SEC Filing on Google Icon
8/18/2026Public Employees Retirement System of Ohio128,107$0.81M0.0%N/A0.154%Search for SEC Filing on Google Icon
8/17/2026Palogic Value Management L.P.185,589$1.18M0.4%N/A0.224%Search for SEC Filing on Google Icon
8/17/2026Bank of America Corp DE252,746$1.60M0.0%N/A0.305%Search for SEC Filing on Google Icon
8/15/2026Odyssean LLC41,759$0.27M0.0%N/A0.050%Search for SEC Filing on Google Icon
8/15/2026Man Group plc90,259$0.57M0.0%N/A0.109%Search for SEC Filing on Google Icon
8/14/2026Hsbc Holdings PLC13,846$86K0.0%N/A0.017%Search for SEC Filing on Google Icon
8/14/2026Canada Pension Plan Investment Board20,700$0.13M0.0%N/A0.025%Search for SEC Filing on Google Icon
8/14/2026Legal & General Group Plc6,915$44K0.0%N/A0.008%Search for SEC Filing on Google Icon
8/14/2026The Manufacturers Life Insurance Company19,056$0.12M0.0%N/A0.023%Search for SEC Filing on Google Icon
8/14/2026Algert Global LLC302,582$1.92M0.0%-7.3%0.365%Search for SEC Filing on Google Icon
8/12/2026Quantbot Technologies LP45,432$0.29M0.0%N/A0.055%Search for SEC Filing on Google Icon
8/12/2026George Kaiser Family Foundation3,167,322$20.08M1.9%N/A3.817%Search for SEC Filing on Google Icon
8/12/2026Ieq Capital LLC103,313$0.66M0.0%N/A0.124%Search for SEC Filing on Google Icon
8/7/2026Oaktop Capital Management II L.P.5,168,674$32.77M1.4%N/A6.236%Search for SEC Filing on Google Icon
8/7/2026BlackRock Inc.5,277,148$33.46M0.0%N/A6.367%Search for SEC Filing on Google Icon
8/7/2026Pallas Capital Advisors LLC10,900$69K0.0%N/A0.013%Search for SEC Filing on Google Icon
8/7/2026Deutsche Bank AG372,077$2.36M0.0%N/A0.449%Search for SEC Filing on Google Icon
8/7/2026Rice Hall James & Associates LLC1,635,259$10.37M0.5%N/A1.973%Search for SEC Filing on Google Icon
8/7/2026Mitsubishi UFJ Asset Management Co. Ltd.107,505$0.68M0.0%N/A0.130%Search for SEC Filing on Google Icon
8/6/2026Bank of New York Mellon Corp195,389$1.24M0.0%N/A0.236%Search for SEC Filing on Google Icon
8/6/2026State of Wyoming38,000$0.24M0.0%N/A0.046%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE241,020$0.82M0.0%-68.0%0.291%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada8,523$29K0.0%+95.8%0.010%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company18,298$63K0.0%-13.5%0.022%Search for SEC Filing on Google Icon
5/16/2026Lazard Asset Management LLC141,745$0.49M0.0%N/A0.171%Search for SEC Filing on Google Icon
5/15/2026Rice Hall James & Associates LLC1,552,628$5.31M0.3%+9.2%1.873%Search for SEC Filing on Google Icon
5/14/2026Public Employees Retirement System of Ohio62,700$0.21M0.0%N/A0.076%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP181,234$0.62M0.0%-7.8%0.219%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP1,256,480$4.30M0.0%-37.3%1.517%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp185,673$0.64M0.0%-5.7%0.224%Search for SEC Filing on Google Icon
4/30/2026Hsbc Holdings PLC104,982$0.36M0.0%+350.1%0.127%Search for SEC Filing on Google Icon
4/23/2026Inspire Investing LLC151,004$0.52M0.0%-9.5%0.182%Search for SEC Filing on Google Icon
4/21/2026Clarus Group Inc.10,504$36K0.0%N/A0.013%Search for SEC Filing on Google Icon
3/20/2026Hsbc Holdings PLC23,326$66K0.0%N/A0.028%Search for SEC Filing on Google Icon
3/3/2026Caitong International Asset Management Co. Ltd10,586$30K0.0%N/A0.013%Search for SEC Filing on Google Icon
2/26/2026Aristides Capital LLC62,400$0.18M0.0%N/A0.075%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.4,129,934$11.69M0.0%+237.9%4.997%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd202,030$0.57M0.0%+786.1%0.244%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL79,171$0.22M0.0%-83.7%0.096%Search for SEC Filing on Google Icon
2/18/2026Quadrature Capital Ltd35,583$0.10M0.0%+248.5%0.043%Search for SEC Filing on Google Icon
2/18/2026Numerai GP LLC251,888$0.71M0.1%+1,277.9%0.305%Search for SEC Filing on Google Icon
2/18/2026Oxford Asset Management LLP24,083$68K0.0%N/A0.029%Search for SEC Filing on Google Icon
2/18/2026Odyssean LLC41,759$0.12M0.1%N/A0.051%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC870,951$2.47M0.0%-39.8%1.054%Search for SEC Filing on Google Icon
2/18/2026Inspire Investing LLC166,874$0.47M0.0%+152.4%0.202%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP119,227$0.34M0.0%N/A0.144%Search for SEC Filing on Google Icon
2/18/2026Caption Management LLC36,100$0.10M0.0%+20.3%0.044%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC20,350$58K0.0%N/A0.025%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC369,949$1.05M0.0%+108.1%0.448%Search for SEC Filing on Google Icon
2/17/2026Jain Global LLC87,835$0.25M0.0%N/A0.106%Search for SEC Filing on Google Icon
2/17/2026Samjo Management LLC798,525$2.26M0.9%+134.3%0.966%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC551,071$1.56M0.0%+2.5%0.667%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD98,299$0.28M0.0%+28.3%0.119%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System78,454$0.22M0.0%+29.3%0.095%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.95,651$0.27M0.0%-28.7%0.116%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board120,238$0.34M0.0%-53.2%0.145%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP65,470$0.19M0.0%-43.8%0.079%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.158,839$0.45M0.0%+50.0%0.192%Search for SEC Filing on Google Icon
2/17/2026RBF Capital LLC100,000$0.28M0.0%N/A0.121%Search for SEC Filing on Google Icon
2/17/2026Rice Hall James & Associates LLC1,421,605$4.02M0.2%+1.0%1.720%Search for SEC Filing on Google Icon
2/17/2026Needham Investment Management LLC4,351,700$12.32M0.8%+26.5%5.265%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC96,973$0.27M0.0%+47.0%0.117%Search for SEC Filing on Google Icon
2/16/2026Sargent Investment Group LLC141,607$0.40M0.1%-25.2%0.171%Search for SEC Filing on Google Icon
2/16/2026Healthcare of Ontario Pension Plan Trust Fund157,400$0.45M0.0%N/A0.190%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP554,180$1.57M0.0%+77.5%0.671%Search for SEC Filing on Google Icon
2/13/2026Samjo Management LLC798,525$2.26M0.9%+134.3%0.966%Search for SEC Filing on Google Icon
2/13/2026AWM Investment Company Inc.41,092$0.12M0.0%-97.4%0.050%Search for SEC Filing on Google Icon
2/13/2026FirstWave Capital Management LLC372,001$1.05M0.6%N/A0.450%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.540,323$1.53M0.0%-5.6%0.654%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey16,663$47K0.0%-21.1%0.020%Search for SEC Filing on Google Icon
2/13/2026State Street Corp2,501,469$7.08M0.0%+28.6%3.027%Search for SEC Filing on Google Icon
2/13/2026Dynamic Technology Lab Private Ltd103,281$0.29M0.1%N/A0.125%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN82,170$0.23M0.0%+52.8%0.099%Search for SEC Filing on Google Icon
2/13/2026Gagnon Securities LLC1,133,248$3.21M0.7%-35.4%1.371%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC27,154$77K0.0%-10.8%0.033%Search for SEC Filing on Google Icon
2/12/2026Aristides Capital LLC62,400$0.18M0.0%N/A0.075%Search for SEC Filing on Google Icon
2/12/2026StoneX Group Inc.14,474$41K0.0%N/A0.018%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP2,003,963$5.67M0.0%-11.0%2.425%Search for SEC Filing on Google Icon
2/12/2026EntryPoint Capital LLC110,142$0.31M0.1%+69.0%0.133%Search for SEC Filing on Google Icon
2/12/2026Federated Hermes Inc.564,486$1.60M0.0%+94.7%0.683%Search for SEC Filing on Google Icon
2/12/2026New York State Common Retirement Fund16,231$46K0.0%-97.7%0.020%Search for SEC Filing on Google Icon
2/12/2026Ironwood Investment Management LLC127,460$0.36M0.2%-5.1%0.154%Search for SEC Filing on Google Icon
2/12/2026Alps Advisors Inc.116,372$0.33M0.0%-5.9%0.141%Search for SEC Filing on Google Icon
2/11/2026Janney Montgomery Scott LLC14,093$40K0.0%-33.0%0.017%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG223,093$0.63M0.0%+1.3%0.270%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC55,076$0.16M0.0%-50.3%0.067%Search for SEC Filing on Google Icon
2/11/2026JPMorgan Chase & Co.1,483,745$4.20M0.0%+9.9%1.795%Search for SEC Filing on Google Icon
2/11/2026Los Angeles Capital Management LLC118,664$0.34M0.0%-14.8%0.144%Search for SEC Filing on Google Icon
2/11/2026Telemark Asset Management LLC1,000,000$2.83M0.3%-44.2%1.210%Search for SEC Filing on Google Icon
2/11/2026WINTON GROUP Ltd14,200$40K0.0%N/A0.017%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.1,294,928$3.67M0.0%-8.8%1.567%Search for SEC Filing on Google Icon
Data available starting January 2016

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Aspen Aerogels logo
Aspen Aerogels, Inc. designs, develops, manufactures, and sells aerogel insulation products primarily for use in the energy infrastructure and sustainable insulation materials markets in the United States, Asia, Canada, Europe, and Latin America. It operates in two segments, Energy Industrial and Thermal Barrier. 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; and Pyrogel HPS for applications within the power generation market. It also offers Pyrogel XTF to provide protection against fire; Cryogel Z for sub-ambient and cryogenic applications in the energy infrastructure market; Spaceloft Subsea for use in pipe-in-pipe applications in offshore oil production; 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.
Read More on Aspen Aerogels

Today's Range

Now: $5.02
Low: $4.89
High: $5.18

50 Day Range

MA: $5.17
Low: $4.09
High: $6.84

52 Week Range

Now: $5.02
Low: $2.30
High: $9.35

Volume

262,070 shs

Average Volume

1,467,838 shs

Market Capitalization

$416.19 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.97

Who are the company insiders with the largest holdings of Aspen Aerogels?

Aspen Aerogels' top insider investors include:
  1. Wood River Capital, Llc (Major Shareholder)
  2. Donald R Young (CEO)
  3. Steven R Mitchell (Director)
  4. Corby C Whitaker (SVP)
  5. Gregg Landes (SVP)
  6. Mark L Noetzel (Director)
  7. Robert M Gervis (Director)
  8. William P Noglows (Director)
  9. Richard F Reilly (Director)
  10. Keith L Schilling (SVP)
Learn More about top insider investors at Aspen Aerogels.

Who are the major institutional investors of Aspen Aerogels?

Aspen Aerogels' top institutional shareholders include:
  1. BlackRock Inc. — 6.37%
  2. Oaktop Capital Management II L.P. — 6.24%
  3. George Kaiser Family Foundation — 3.82%
  4. Rice Hall James & Associates LLC — 1.97%
  5. Deutsche Bank AG — 0.45%
  6. Baird Financial Group Inc. — 0.42%
Learn More about top institutional investors of Aspen Aerogels stock.

Which major investors are selling Aspen Aerogels stock?

Within the previous quarter, ASPN stock was sold by these institutional investors:
  1. Hsbc Holdings PLC
  2. Squarepoint Ops LLC
  3. Algert Global LLC
  4. IFP Advisors Inc
  5. California State Teachers Retirement System

Which major investors are buying Aspen Aerogels stock?

In the previous quarter, ASPN stock was acquired by institutional investors including:
  1. BlackRock Inc.
  2. Oaktop Capital Management II L.P.
  3. George Kaiser Family Foundation
  4. Rice Hall James & Associates LLC
  5. Deutsche Bank AG
  6. Baird Financial Group Inc.
  7. Bank of America Corp DE
  8. Bank of New York Mellon Corp

Aspen Aerogels Active Insiders

Donald R Young
Donald R Young (Age 68)
President,CEO, and Director
Ricardo C Rodriguez
Ricardo C Rodriguez (Age 40)
CFO
Steven R Mitchell
Steven R Mitchell
Director
Mark L Noetzel
Mark L Noetzel
Director
Corby C Whitaker
Corby C Whitaker (Age 56)
SVP
Gregg Landes
Gregg Landes (Age 55)
SVP
Keith L Schilling
Keith L Schilling (Age 53)
SVP
Kelley Conte
Kelley Conte (Age 61)
VP