Activist 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‚Äôs equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares are not 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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Time period
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Reported
DateTime
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2023-02-14
5:18 pm
Purchase
13GAspen Aerogels, Inc.
ASPN
Encompass Capital Advisors LLC2,974,749
4.5%
240,675increase
(+8.80%)
View
2023-02-14
5:16 pm
Purchase
13GAspen Aerogels, Inc.
ASPN
OAKTOP CAPITAL MANAGEMENT II L.P.3,194,758
4.83%
601,486increase
(+23.19%)
View
2023-02-03
3:28 pm
Unchanged
13GAspen Aerogels, Inc.
ASPN
Telemark Asset Management LLC1,970,000
2.98%
0
(Unchanged)
View
2023-02-03
10:59 am
Purchase
13GAspen Aerogels, Inc.
ASPN
Telemark Asset Management LLC1,970,000
2.98%
130,000increase
(+7.07%)
View
2022-12-07
11:42 am
Purchase
13DAspen Aerogels, Inc.
ASPN
Wood River Capital LLC19,218,658
27.6%
19,218,658increase
(New Position)
View
2022-07-08
4:11 pm
Purchase
13GAspen Aerogels, Inc.
ASPN
Encompass Capital Advisors LLC2,734,074
7.58%
2,734,074increase
(New Position)
View
2022-05-03
4:11 pm
Unchanged
13DAspen Aerogels, Inc.
ASPN
SPRING CREEK CAPITAL LLC8,116,435
21%
0
(Unchanged)
View
2022-04-05
4:06 pm
Purchase
13DAspen Aerogels, Inc.
ASPN
SPRING CREEK CAPITAL LLC8,116,435
21%
1,791,986increase
(+28.33%)
View
2022-02-22
4:06 pm
Purchase
13GAspen Aerogels, Inc.
ASPN
SPRING CREEK CAPITAL LLC6,324,449
17.6%
2,862,325increase
(+82.68%)
View
2022-02-09
4:05 pm
Unchanged
13GAspen Aerogels, Inc.
ASPN
SPRING CREEK CAPITAL LLC3,462,124
10.5%
0
(Unchanged)
View
2022-01-28
2:34 pm
Sale
13GAspen Aerogels, Inc.
ASPN
Telemark Asset Management LLC1,840,000
5.56%
-410,000decrease
(-18.22%)
View
2021-09-09
4:20 pm
Sale
13GAspen Aerogels, Inc.
ASPN
BlackRock Inc.
BLK
1,523,575
4.6%
-277,399decrease
(-15.40%)
View
2021-07-09
1:27 pm
Purchase
13GAspen Aerogels, Inc.
ASPN
SPRING CREEK CAPITAL LLC3,462,124
10.88%
3,462,124increase
(New Position)
View
2021-02-12
3:33 pm
Purchase
13GAspen Aerogels, Inc.
ASPN
Telemark Asset Management LLC2,250,000
8.3%
524,689increase
(+30.41%)
View
2021-02-02
3:13 pm
Purchase
13GAspen Aerogels, Inc.
ASPN
BlackRock Inc.
BLK
1,800,974
6.7%
1,800,974increase
(New Position)
View
2020-02-05
4:05 pm
Purchase
13GAspen Aerogels, Inc.
ASPN
Telemark Asset Management LLC1,725,311
7.1%
421,811increase
(+32.36%)
View
2020-02-04
5:05 pm
Unchanged
13GAspen Aerogels, Inc.
ASPN
OAKTOP CAPITAL MANAGEMENT II L.P.2,593,272
11%
0
(Unchanged)
View
2020-01-23
12:12 pm
Unchanged
13GAspen Aerogels, Inc.
ASPN
Leviticus Partners LP1,108,505
4.56%
0
(Unchanged)
View
2019-12-04
3:24 pm
Purchase
13GAspen Aerogels, Inc.
ASPN
Leviticus Partners LP1,108,505
4.56%
1,108,505increase
(New Position)
View
2019-08-09
3:47 pm
Sale
13GAspen Aerogels, Inc.
ASPN
ARIEL INVESTMENTS LLC621,416
2.6%
-1,204,864decrease
(-65.97%)
View
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