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| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2020 | ASPEN AEROGELS INC | ASPN | 0 | -100,000 | 0 | -1,095,000 | |
| 09/30/2020 | ASPEN AEROGELS INC | ASPN | 100,000 | 100,000 | 1,095,000 | 1,095,000 | $10.95 |
| 03/31/2019 | ASPEN AEROGELS INC | ASPN | 0 | -550,000 | 0 | -1,172,000 | |
| 12/31/2018 | ASPEN AEROGELS INC | ASPN | 550,000 | 0 | 1,172,000 | -1,342,000 | $2.13 |
| 09/30/2018 | ASPEN AEROGELS INC | ASPN | 550,000 | -200,000 | 2,514,000 | -1,161,000 | $4.57 |
| 06/30/2018 | ASPEN AEROGELS INC | ASPN | 750,000 | -157,424 | 3,675,000 | -200,000 | $4.90 |
| 03/31/2018 | ASPEN AEROGELS INC | ASPN | 907,424 | -19,642 | 3,875,000 | -649,000 | $4.27 |
| 12/31/2017 | ASPEN AEROGELS INC | ASPN | 927,066 | 0 | 4,524,000 | 491,000 | $4.88 |
| 09/30/2017 | ASPEN AEROGELS INC | ASPN | 927,066 | 0 | 4,033,000 | -92,000 | $4.35 |
| 06/30/2017 | ASPEN AEROGELS INC | ASPN | 927,066 | 7,066 | 4,125,000 | 307,000 | $4.45 |
| 03/31/2017 | ASPEN AEROGELS INC | ASPN | 920,000 | 70,000 | 3,818,000 | 307,000 | $4.15 |
| 12/31/2016 | ASPEN AEROGELS INC | ASPN | 850,000 | 120,000 | 3,511,000 | -840,000 | $4.13 |
| 09/30/2016 | ASPEN AEROGELS INC | ASPN | 730,000 | 730,000 | 4,351,000 | 4,351,000 | $5.96 |
| 06/30/2016 | ASPEN AEROGELS INC | ASPN | 100,000 | 100,000 | 497,000 | 497,000 | $4.97 |
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