| 16 Mar 2017 |
| PiperJaffray |
| Neutral |
| Underweight |
| downgrade |
| 8 Aug 2016 | Cantor Fitzgerald | Hold | Buy | upgrade |
| 26 Apr 2016 | Cantor Fitzgerald | Buy | Hold | downgrade |
| 26 Apr 2016 | Leerink Swann | Outperform | Perform | downgrade |
| 25 Apr 2016 | PiperJaffray | Overweight | Neutral | downgrade |
| 25 Apr 2016 | Cantor Fitzgerald | Buy | Hold | downgrade |
| 29 Mar 2016 | Avondale Partners | Market Perform | Perform | maintain |