| Fund | Previous Shares | Current Shares ▲▼ | Change in Shares ▲▼ | Previous Portfolio Weightage (%) | Current Portfolio Weightage (%) ▲▼ | Change in Weight (%) ▲▼ | Type |
|---|---|---|---|---|---|---|---|
| Nantahala Capital Management, LLC | 3,877,965 | 5,111,588 | +1,233,623 | 0.19 | 0.39 | +0.20 | buy |
| Stonepine Capital Management, LLC | 2,055,225 | 2,083,762 | +28,537 | 2.44 | 3.97 | +1.53 | buy |
| SILVERARC CAPITAL MANAGEMENT, LLC | 2,771,288 | 2,779,795 | +8,507 | 0.71 | 1.10 | +0.40 | buy |
| Sio Capital Management, LLC | 630,000 | 636,300 | +6,300 | 0.23 | 0.47 | +0.24 | buy |
| Atom Investors LP | 48,110 | 42,795 | -5,315 | 0.01 | 0.01 | +0.00 | sell |
| PERKINS CAPITAL MANAGEMENT INC | 910,615 | 875,865 | -34,750 | 1.17 | 1.71 | +0.54 | sell |
| Pentwater Capital Management LP | 998,755 | 815,000 | -183,755 | 0.01 | 0.01 | +0.00 | sell |