| 5 | | Supplemental Agreement for work within scope | ($6k) | 12/10/18 |
| 4 | | Supplemental Agreement for work within scope | ($6k) | 2/7/18 |
| 3 | | Exercise an Option | $10.6k | 12/12/17 |
| 2 | | Supplemental Agreement for work within scope | ($2k) | 1/27/17 |
| 1 | | Exercise an Option | $10.6k | 12/13/16 |