Aspen Aerogels Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:ASPN Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
14 May 24	SellUS$82,250,000	Spring Creek Capital, LLC	Company		3,500,000	US$23.50
06 May 24	SellUS$1,228,722	Gregg Landes	Individual		48,386	US$25.65

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of ASPN?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,140,115	1.39%
General Public	9,854,078	12%
Institutions	71,053,095	86.6%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 16.8%.

Top Shareholders

Top 25 shareholders own 68.1% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15%	Spring Creek Capital, LLC	12,280,426	US$176.1m	0%	42.41%
5.68%	BlackRock, Inc.	4,664,325	US$66.9m	3.83%	no data
5.04%	The Vanguard Group, Inc.	4,133,995	US$59.3m	2.95%	no data
4.94%	FMR LLC	4,049,586	US$58.1m	23.6%	no data
4.32%	Oaktop Capital Management II, L.P.	3,540,525	US$50.8m	5.99%	6.36%
3.86%	George Kaiser Family Foundation, Endowment Arm	3,167,322	US$45.4m	0%	6.16%
3.11%	Driehaus Capital Management LLC	2,550,857	US$36.6m	18.3%	0.21%
2.77%	Needham Investment Management, LLC	2,272,200	US$32.6m	-1.2%	2.41%
2.08%	Encompass Capital Advisors LLC	1,703,151	US$24.4m	-12.7%	0.98%
1.97%	Loomis Sayles & Company, L.P.	1,619,320	US$23.2m	22.8%	0.03%
1.96%	Dimensional Fund Advisors LP	1,608,769	US$23.1m	17%	no data
1.82%	Telemark Asset Management, LLC	1,492,424	US$21.4m	0%	2.01%
1.82%	American Century Investment Management Inc	1,491,123	US$21.4m	93.5%	0.01%
1.72%	State Street Global Advisors, Inc.	1,410,543	US$20.2m	0.6%	no data
1.69%	Geode Capital Management, LLC	1,385,968	US$19.9m	5.72%	no data
1.48%	Royce & Associates, LP	1,212,097	US$17.4m	-2.19%	0.14%
1.43%	AWM Investment Company Inc	1,174,571	US$16.8m	-1.15%	1.72%
1.22%	Federated Hermes, Inc.	998,600	US$14.3m	0%	0.03%
1.16%	UniSuper Management Pty Ltd	955,387	US$13.7m	0%	0.09%
1.09%	Samjo Management, LLC	895,775	US$12.8m	-13.7%	5.32%
0.9%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	740,892	US$10.6m	57.8%	no data
0.86%	Frontier Capital Management Co LLC	708,714	US$10.2m	-59.4%	0.08%
0.8%	DLD Asset Management, LP	660,310	US$9.5m	0%	19.05%
0.73%	Morgan Stanley, Investment Banking and Brokerage Investments	595,064	US$8.5m	76.3%	no data
0.69%	Northern Trust Global Investments	563,686	US$8.1m	10.2%	no data