| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| VG | Director | Mar 10, 2016 | Sale | $4.94 | 10,000 | 49,420 | 118,148 | Mar 14, 2016, 06:03 PM |
| ALGN | Director | Jan 05, 2016 | Sale | $64.64 | 1,100 | 71,104 | 24,700 | Jan 05, 2016, 07:03 PM |
| ALGN | Director | Dec 14, 2015 | Sale | $65.20 | 1,100 | 71,720 | 25,800 | Dec 14, 2015, 08:09 PM |
| VG | Director | Dec 07, 2015 | Sale | $6.29 | 5,000 | 31,450 | 123,140 | Dec 08, 2015, 06:46 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| VG | Director | Mar 10, 2016 | Sale | 49,420 |
| ALGN | Director | Jan 05, 2016 | Sale | 71,104 |
| ALGN | Director | Dec 14, 2015 | Sale | 71,720 |
| VG | Director | Dec 07, 2015 | Sale | 31,450 |