| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| MACK | Head of Corporate Operations | Feb 29, 2016 | Buy | $5.72 | 2,000 | 11,440 | 14,072 | Mar 01, 2016, 01:54 PM |
| MACK | SVP of Corporate Operations | Dec 12, 2013 | Buy | $4.39 | 2,500 | 10,981 | 13,000 | Dec 13, 2013, 10:40 AM |
| MACK | SVP of Corporate Operations | Dec 11, 2013 | Buy | $4.05 | 1,500 | 6,078 | 10,500 | Dec 13, 2013, 10:40 AM |
| MACK | SVP of Corporate Operations | Dec 02, 2013 | Buy | $4.06 | 2,000 | 8,119 | 9,000 | Dec 04, 2013, 09:44 AM |
| MACK | SVP of Corporate Operations | Nov 29, 2013 | Buy | $3.91 | 1,000 | 3,915 | 7,000 | Dec 02, 2013, 11:36 AM |
| MACK | SVP of Corporate Operations | Nov 27, 2013 | Buy | $3.56 | 6,000 | 21,340 | 6,000 | Dec 02, 2013, 11:36 AM |
| Symbol | Relationship | Date | Transaction | Value($) |
| MACK | Head of Corporate Operations | Feb 29, 2016 | Buy | 11,440 |
| MACK | SVP of Corporate Operations | Dec 12, 2013 | Buy | 10,981 |
| MACK | SVP of Corporate Operations | Dec 11, 2013 | Buy | 6,078 |
| MACK | SVP of Corporate Operations | Dec 02, 2013 | Buy | 8,119 |
| MACK | SVP of Corporate Operations | Nov 29, 2013 | Buy | 3,915 |
| MACK | SVP of Corporate Operations | Nov 27, 2013 | Buy | 21,340 |