| 5 | | Supplemental Agreement for work within scope | $10.0k | 1/9/15 |
| 4 | | Exercise an Option | $37.4k | 9/17/14 |
| 3 | | Supplemental Agreement for work within scope | $10.0k | 12/17/13 |
| 2 | | Exercise an Option | $37.4k | 7/24/13 |
| 1 | | Supplemental Agreement for work within scope | $19.7k | 12/20/12 |