Telemark Asset Management LLC 13D and 13G filings for Aspen Aerogels, Inc.:
- 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.
- Shares have been adjusted for stock splits.
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 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 |
| 2023-02-03 10:59 am Purchase |
2022-12-31 | 13G | Aspen Aerogels, Inc. ASPN |
Telemark Asset Management LLC | 1,970,000 2.980% |
130,000 (+7.07%) |
Filing |
| 2022-01-28 2:34 pm Sale |
2021-12-31 | 13G | Aspen Aerogels, Inc. ASPN |
Telemark Asset Management LLC | 1,840,000 5.560% |
-410,000 (-18.22%) |
Filing |
| 2021-02-12 3:33 pm Purchase |
2020-12-31 | 13G | Aspen Aerogels, Inc. ASPN |
Telemark Asset Management LLC | 2,250,000 8.300% |
524,689 (+30.41%) |
Filing |