| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| IDIX | SVP, Human Resources | Mar 16, 2012 | Option Exercise | $2.41 | 30,000 | 72,300 | 31,300 | Mar 20, 2012, 10:40 AM |
| IDIX | SVP, Human Resources | Mar 16, 2012 | Sale | $11.04 | 30,000 | 331,200 | 1,300 | Mar 20, 2012, 10:40 AM |
| Symbol | Relationship | Date | Transaction | Value($) |
| IDIX | SVP, Human Resources | Mar 16, 2012 | Option Exercise | 72,300 |
| IDIX | SVP, Human Resources | Mar 16, 2012 | Sale | 331,200 |