13D/13G Filings - ASPEN AEROGELS INC (ASPN)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2025-02-12
09:16 am
Sale
2024-12-31 13G Aspen Aerogels, Inc.
ASPN
FMR CORP 1,226,073
1.500%
-2,824,822decrease
(-69.73%)
Filing
History
2024-11-12
1:22 pm
Unchanged
2024-09-30 13G Aspen Aerogels, Inc.
ASPN
The Vanguard Group 4,133,995
5.360%
0
(Unchanged)
Filing
History
2024-11-12
09:50 am
Purchase
2024-11-08 13G Aspen Aerogels, Inc.
ASPN
FMR CORP 4,050,895
5.255%
3,673,614increase
(+973.71%)
Filing
History
2024-11-04
11:18 am
Purchase
2024-09-30 13G Aspen Aerogels, Inc.
ASPN
The Vanguard Group 4,133,995
5.360%
4,133,995increase
(New Position)
Filing
History
2024-10-22
7:40 pm
Unchanged
2024-10-22 13G Aspen Aerogels, Inc.
ASPN
GEORGE KAISER FAMILY FOUNDATION 3,167,322
4.110%
0
(Unchanged)
Filing
History
2024-08-19
6:13 pm
Sale
2024-08-19 13D Aspen Aerogels, Inc.
ASPN
Wood River Capital, LLC 12,280,426
15.930%
-4,139,999decrease
(-25.21%)
Filing
History
2024-08-02
8:31 pm
Purchase
2024-08-01 13D Aspen Aerogels, Inc.
ASPN
Wood River Capital, LLC 16,420,425
20.450%
187,732increase
(+1.16%)
Filing
History
2024-05-16
7:16 pm
Sale
2024-05-14 13D Aspen Aerogels, Inc.
ASPN
Wood River Capital, LLC 16,232,693
20.300%
-2,985,965decrease
(-15.54%)
Filing
History
2024-01-31
2:08 pm
Purchase
2023-12-31 13G Aspen Aerogels, Inc.
ASPN
BLACKROCK INC
BLK
4,054,986
5.300%
2,531,411increase
(+166.15%)
Filing
History
2023-02-14
5:18 pm
Purchase
2022-12-31 13G Aspen Aerogels, Inc.
ASPN
Encompass Capital Advisors LLC 2,974,749
4.500%
240,675increase
(+8.80%)
Filing
History
2023-02-14
5:16 pm
Purchase
2022-12-31 13G Aspen Aerogels, Inc.
ASPN
Oaktop Capital Management II, L.P. 3,194,758
4.830%
601,486increase
(+23.19%)
Filing
History
2023-02-03
3:28 pm
Unchanged
2022-12-31 13G Aspen Aerogels, Inc.
ASPN
Telemark Asset Management LLC 1,970,000
2.980%
0
(Unchanged)
Filing
History
2023-02-03
10:59 am
Purchase
2022-12-31 13G Aspen Aerogels, Inc.
ASPN
Telemark Asset Management LLC 1,970,000
2.980%
130,000increase
(+7.07%)
Filing
History
2022-12-07
11:42 am
Purchase
2022-11-28 13D Aspen Aerogels, Inc.
ASPN
Wood River Capital, LLC 19,218,658
27.600%
19,218,658increase
(New Position)
Filing
History
2022-07-08
4:11 pm
Purchase
2022-06-29 13G Aspen Aerogels, Inc.
ASPN
Encompass Capital Advisors LLC 2,734,074
7.580%
2,734,074increase
(New Position)
Filing
History
2022-05-03
4:11 pm
Unchanged
2022-05-02 13D Aspen Aerogels, Inc.
ASPN
Spring Creek Capital, LLC 8,116,435
21.000%
0
(Unchanged)
Filing
History
2022-04-05
4:06 pm
Purchase
2022-03-28 13D Aspen Aerogels, Inc.
ASPN
Spring Creek Capital, LLC 8,116,435
21.000%
1,791,986increase
(+28.33%)
Filing
History
2022-02-22
4:06 pm
Purchase
2022-02-18 13G Aspen Aerogels, Inc.
ASPN
Spring Creek Capital, LLC 6,324,449
17.600%
2,862,325increase
(+82.68%)
Filing
History
2022-02-09
4:05 pm
Unchanged
2021-12-31 13G Aspen Aerogels, Inc.
ASPN
Spring Creek Capital, LLC 3,462,124
10.500%
0
(Unchanged)
Filing
History
2022-01-28
2:34 pm
Sale
2021-12-31 13G Aspen Aerogels, Inc.
ASPN
Telemark Asset Management LLC 1,840,000
5.560%
-410,000decrease
(-18.22%)
Filing
History
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