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ASPN Insider Trading

Insider Ownership Percentage: 4.30%
Insider Buying (Last 12 Months): $107,000.00
Insider Selling (Last 12 Months): $230,926.45

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: $3.07
Price Change: ▼ Price Decrease of -0.165 (-5.11%)
As of 03/20/2026 04:59 PM ET

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

Skip Chart and Table DataPrice Data in Insider Trading History Table
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  
9/7/2023Steven R MitchellDirectorBuy7,541$6.50$49,016.50134,260View SEC Filing Icon  
9/5/2023Steven R MitchellDirectorBuy50,000$6.17$308,500.00126,719View SEC Filing Icon  
8/22/2023Mark L NoetzelDirectorBuy4,000$5.65$22,600.00119,322View SEC Filing Icon  
8/8/2023Donald R. YoungCEOBuy25,000$6.83$170,750.00656,703View 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
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
2/10/2026Intech Investment Management LLC25,382$72K0.0%-43.6%0.031%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC1,602,049$4.54M0.0%+1.1%1.938%Search for SEC Filing on Google Icon
2/9/2026Connors Investor Services Inc.55,167$0.16M0.0%+37.3%0.067%Search for SEC Filing on Google Icon
2/6/2026Legato Capital Management LLC15,562$44K0.0%-83.4%0.019%Search for SEC Filing on Google Icon
2/5/2026ARS Investment Partners LLC40,765$0.12M0.0%-32.1%0.049%Search for SEC Filing on Google Icon
2/4/2026First Eagle Investment Management LLC622,487$1.76M0.0%+20.3%0.753%Search for SEC Filing on Google Icon
2/4/2026Drive Wealth Management LLC10,655$30K0.0%N/A0.013%Search for SEC Filing on Google Icon
2/3/2026Mitsubishi UFJ Asset Management Co. Ltd.131,468$0.38M0.0%+87.3%0.159%Search for SEC Filing on Google Icon
2/2/2026WJ Financial Advisors LLC64,815$0.18M0.2%N/A0.078%Search for SEC Filing on Google Icon
2/2/2026Oppenheimer & Co. Inc.77,021$0.22M0.0%-36.8%0.093%Search for SEC Filing on Google Icon
1/29/2026Concurrent Investment Advisors LLC30,000$85K0.0%N/A0.036%Search for SEC Filing on Google Icon
1/23/2026Choreo LLC16,828$50K0.0%N/A0.020%Search for SEC Filing on Google Icon
1/21/2026Jefferson Bridge Capital LLC11,450$32K0.0%N/A0.014%Search for SEC Filing on Google Icon
1/21/2026Balance Wealth LLC10,297$29K0.0%N/A0.012%Search for SEC Filing on Google Icon
1/9/2026SG Americas Securities LLC263,354$0.75M0.0%+227.5%0.319%Search for SEC Filing on Google Icon
1/9/2026Assenagon Asset Management S.A.97,002$0.28M0.0%N/A0.117%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.1,349,749$9.39M0.0%+8.3%1.633%Search for SEC Filing on Google Icon
1/1/2026Tudor Investment Corp ET AL486,596$3.39M0.0%N/A0.589%Search for SEC Filing on Google Icon
12/9/2025Tudor Investment Corp ET AL486,596$3.39M0.0%N/A0.589%Search for SEC Filing on Google Icon
12/2/2025IFP Advisors Inc12,021$84K0.0%-42.1%0.015%Search for SEC Filing on Google Icon
11/25/2025Connors Investor Services Inc.40,167$0.28M0.0%+14.2%0.049%Search for SEC Filing on Google Icon
11/24/2025Penn Capital Management Company LLC1,036,995$7.23M0.6%+39.0%1.255%Search for SEC Filing on Google Icon
11/17/2025Caxton Associates LLP13,654$95K0.0%-86.8%0.017%Search for SEC Filing on Google Icon
11/17/2025Voleon Capital Management LP138,538$0.96M0.0%-44.3%0.168%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC65,962$0.46M0.0%-30.7%0.080%Search for SEC Filing on Google Icon
11/17/2025Sargent Investment Group LLC189,227$1.32M0.2%-8.0%0.229%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd126,275$0.88M0.0%-50.6%0.153%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC10,109$70K0.0%N/A0.012%Search for SEC Filing on Google Icon
11/17/2025Numerai GP LLC18,280$0.13M0.0%N/A0.022%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC1,447,517$10.08M0.0%+59.6%1.751%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.31,159$0.22M0.0%-12.5%0.038%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP55,400$0.39M0.0%N/A0.067%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE814,849$5.67M0.0%-0.4%0.986%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC94,655$0.66M0.0%-50.3%0.115%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.64,090$0.45M0.0%-26.4%0.078%Search for SEC Filing on Google Icon
11/14/2025Creative Planning21,948$0.15M0.0%+43.2%0.027%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.34,787$0.24M0.0%+31.0%0.042%Search for SEC Filing on Google Icon
11/14/2025Man Group plc80,197$0.56M0.0%N/A0.097%Search for SEC Filing on Google Icon
11/14/2025Occudo Quantitative Strategies LP10,398$72K0.0%N/A0.013%Search for SEC Filing on Google Icon
11/14/2025California State Teachers Retirement System60,670$0.42M0.0%+7.3%0.073%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC94,589$0.66M0.0%-48.4%0.114%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP811,528$5.65M0.0%+5.2%0.982%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: $3.07
Low: $3.03
High: $3.20

50 Day Range

MA: $3.40
Low: $2.57
High: $3.91

52 Week Range

Now: $3.07
Low: $2.30
High: $9.78

Volume

1,968,895 shs

Average Volume

1,929,676 shs

Market Capitalization

$253.87 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.99

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. Corby C Whitaker (SVP)
  4. Keith L Schilling (SVP)
  5. Ricardo C Rodriguez (CFO)
  6. Santhosh P Daniel (CAO)
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. Needham Investment Management LLC — 5.27%
  2. Invesco Ltd. — 5.00%
  3. State Street Corp — 3.03%
  4. Dimensional Fund Advisors LP — 2.42%
  5. Geode Capital Management LLC — 1.94%
  6. JPMorgan Chase & Co. — 1.80%
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. AWM Investment Company Inc.
  2. Telemark Asset Management LLC
  3. New York State Common Retirement Fund
  4. Gagnon Securities LLC
  5. Millennium Management LLC
  6. Tudor Investment Corp ET AL
  7. Dimensional Fund Advisors LP
  8. State of Wisconsin Investment Board
Within the last year, company insiders that have sold Aspen Aerogels company stock include:
  1. Wood River Capital, Llc (Major Shareholder)
  2. Donald R Young (CEO)
Learn More investors selling Aspen Aerogels stock.

Which major investors are buying Aspen Aerogels stock?

During the previous quarter, ASPN stock was bought by institutional investors including:
  1. Invesco Ltd.
  2. Needham Investment Management LLC
  3. State Street Corp
  4. Samjo Management LLC
  5. Samjo Management LLC
  6. FirstWave Capital Management LLC
  7. Federated Hermes Inc.
  8. Marshall Wace LLP