| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| HALO | Director | Aug 19, 2014 | Option Exercise | $2.05 | 75,000 | 153,750 | 254,876 | Aug 21, 2014, 05:07 PM |
| HALO | Director | Aug 19, 2014 | Sale | $9.96 | 75,000 | 746,985 | 179,876 | Aug 21, 2014, 05:07 PM |
| HALO | Director | Sep 13, 2013 | Option Exercise | $0.39 | 100,000 | 39,000 | 230,000 | Sep 16, 2013, 06:46 PM |
| HALO | Director | Sep 16, 2013 | Sale | $9.16 | 37,500 | 343,680 | 155,000 | Sep 16, 2013, 06:46 PM |
| HALO | Director | Sep 13, 2013 | Sale | $9.10 | 37,500 | 341,359 | 192,500 | Sep 16, 2013, 06:46 PM |
| HALO | Director | May 05, 2011 | Option Exercise | $0.00 | 20,000 | 20 | 90,000 | May 06, 2011, 05:02 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| HALO | Director | Aug 19, 2014 | Option Exercise | 153,750 |
| HALO | Director | Aug 19, 2014 | Sale | 746,985 |
| HALO | Director | Sep 13, 2013 | Option Exercise | 39,000 |
| HALO | Director | Sep 16, 2013 | Sale | 343,680 |
| HALO | Director | Sep 13, 2013 | Sale | 341,359 |
| HALO | Director | May 05, 2011 | Option Exercise | 20 |