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ARDSLEY ADVISORY PARTNERS LP
> ASPN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | ASPEN AEROGELS INC | ASPN | 1,511,678 | 765,678 | 11,927,139,000 | 6,369,439,000 | $7,890.00 |
| 03/31/2023 | ASPEN AEROGELS INC | ASPN | 746,000 | 746,000 | 5,557,700,000 | 5,557,700,000 | $7,450.00 |
| 09/30/2022 | ASPEN AEROGELS INC | ASPN | 0 | -100,500 | 0 | -999,000 | |
| 06/30/2022 | ASPEN AEROGELS INC | ASPN | 100,500 | 100,500 | 999,000 | 999,000 | $9.94 |
| 09/30/2021 | ASPEN AEROGELS INC | ASPN | 0 | -50,500 | 0 | -1,511,000 | |
| 06/30/2021 | ASPEN AEROGELS INC | ASPN | 50,500 | 50,500 | 1,511,000 | 1,511,000 | $29.92 |
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