| 10 percent owner |
| S-Sale |
| Disposed |
| 888 |
| $0.74 |
| 28 Sept 2017 | ORBIMED ADVISORS LLC | 10 percent owner | S-Sale | Disposed | 74,096 | $1.03 |
| 28 Sept 2017 | ORBIMED ADVISORS LLC | 10 percent owner | S-Sale | Disposed | 52,301 | $0.92 |
| 28 Sept 2017 | ORBIMED ADVISORS LLC | 10 percent owner | S-Sale | Disposed | 706 | $1.03 |
| 28 Sept 2017 | ORBIMED ADVISORS LLC | 10 percent owner | S-Sale | Disposed | 498 | $0.92 |
| 25 Aug 2017 | ORBIMED ADVISORS LLC | 10 percent owner | S-Sale | Disposed | 1,090 | $1.50 |