| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| ASPN | Young Donald R | President and CEO | Nov 13 '25 | Sale | 3.23 | 56,845 | 183,609 | 494,011 | Nov 14 12:00 AM |
| ASPN | Young Donald R | President and CEO | May 12 '25 | Buy | 5.35 | 20,000 | 107,000 | 550,856 | May 12 12:00 AM |
| ASPN | Young Donald R | President and CEO | Sep 30 '24 | Sale | 30.03 | 63,355 | 1,902,551 | 483,640 | Oct 01 12:00 AM |
| ASPN | Young Donald R | President and CEO | May 29 '24 | Option Exercise | 6.40 | 593,542 | 3,798,668 | 799,626 | May 29 12:00 AM |
| ASPN | Young Donald R | President and CEO | May 29 '24 | Sale | 29.38 | 176,746 | 5,192,797 | 622,880 | May 29 12:00 AM |
| ASPN | Young Donald R | President and CEO | May 28 '24 | Sale | 29.24 | 256,944 | 7,511,820 | 502,855 | May 29 12:00 AM |
| ASPN | Young Donald R | President and CEO | May 28 '24 | Option Exercise | 9.60 | 788,706 | 7,568,916 | 759,799 | May 29 12:00 AM |
| ASPN | Young Donald R | President and CEO | Aug 08 '23 | Buy | 6.83 | 25,000 | 170,698 | 656,703 | Aug 08 12:00 AM |
| ASPN | Young Donald R | President and CEO | May 12 '22 | Buy | 14.63 | 5,000 | 73,150 | 599,146 | May 12 12:00 AM |
| ASPN | Young Donald R | President and CEO | Nov 03 '21 | Sale | 51.50 | 36,102 | 1,859,079 | 598,822 | Nov 03 12:00 AM |
| ASPN | Young Donald R | President and CEO | Nov 02 '21 | Sale | 52.36 | 36,103 | 1,890,346 | 634,924 | Nov 03 12:00 AM |
| ASPN | Young Donald R | President and CEO | Nov 01 '21 | Sale | 53.24 | 36,103 | 1,922,207 | 671,027 | Nov 03 12:00 AM |
| ASPN | Young Donald R | President and CEO | Mar 09 '20 | Buy | 7.18 | 2,000 | 14,360 | 339,216 | Mar 10 12:00 AM |