| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| SSTK | Chief Technology Officer | Nov 03, 2014 | Option Exercise | $14.17 | 5,000 | 70,850 | 13,378 | Nov 05, 2014, 04:50 PM |
| SSTK | Chief Technology Officer | Nov 03, 2014 | Sale | $76.49 | 5,000 | 382,450 | 8,378 | Nov 05, 2014, 04:50 PM |
| SSTK | Chief Technology Officer | Oct 03, 2014 | Option Exercise | $14.17 | 5,000 | 70,850 | 13,378 | Oct 07, 2014, 04:11 PM |
| SSTK | Chief Technology Officer | Oct 03, 2014 | Sale | $75.00 | 5,000 | 375,000 | 8,378 | Oct 07, 2014, 04:11 PM |
| SSTK | Chief Technology Officer | Sep 02, 2014 | Option Exercise | $14.17 | 5,000 | 70,850 | 13,378 | Sep 04, 2014, 04:13 PM |
| SSTK | Chief Technology Officer | Sep 02, 2014 | Sale | $75.00 | 5,000 | 375,000 | 8,378 | Sep 04, 2014, 04:13 PM |
| SSTK | Chief Technology Officer | Aug 11, 2014 | Option Exercise | $14.17 | 5,000 | 70,850 | 13,378 | Aug 13, 2014, 04:41 PM |
| SSTK | Chief Technology Officer | Aug 11, 2014 | Sale | $76.20 | 5,000 | 381,000 | 8,378 | Aug 13, 2014, 04:41 PM |
| SSTK | Chief Technology Officer | Feb 25, 2014 | Option Exercise | $17.00 | 5,000 | 85,000 | 5,878 | Apr 03, 2014, 05:46 PM |
| SSTK | Chief Technology Officer | Feb 25, 2014 | Sale | $98.70 | 5,000 | 493,500 | 878 | Apr 03, 2014, 05:46 PM |
| SSTK | Chief Technology Officer | Feb 25, 2014 | Option Exercise | $17.00 | 5,000 | 85,000 | 5,000 | Feb 27, 2014, 04:57 PM |
| SSTK | Chief Technology Officer | Feb 25, 2014 | Sale | $98.70 | 5,000 | 493,500 | 0 | Feb 27, 2014, 04:57 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| SSTK | Chief Technology Officer | Nov 03, 2014 | Option Exercise | 70,850 |
| SSTK | Chief Technology Officer | Nov 03, 2014 | Sale | 382,450 |
| SSTK | Chief Technology Officer | Oct 03, 2014 | Option Exercise | 70,850 |
| SSTK | Chief Technology Officer | Oct 03, 2014 | Sale | 375,000 |
| SSTK | Chief Technology Officer | Sep 02, 2014 | Option Exercise | 70,850 |
| SSTK | Chief Technology Officer | Sep 02, 2014 | Sale | 375,000 |
| SSTK | Chief Technology Officer | Aug 11, 2014 | Option Exercise | 70,850 |
| SSTK | Chief Technology Officer | Aug 11, 2014 | Sale | 381,000 |
| SSTK | Chief Technology Officer | Feb 25, 2014 | Option Exercise | 85,000 |
| SSTK | Chief Technology Officer | Feb 25, 2014 | Sale | 493,500 |
| SSTK | Chief Technology Officer | Feb 25, 2014 | Option Exercise | 85,000 |
| SSTK | Chief Technology Officer | Feb 25, 2014 | Sale | 493,500 |