| October 20, 2015 | Polygon Global Partners LLP | 3.11% | still open |
| October 19, 2015 | Highbridge Capital Management LLC | 4.33% | still open |
| October 19, 2015 | Polygon Global Partners LLP | 3.11% | still open |
| October 18, 2015 | Highbridge Capital Management LLC | 4.33% | still open |
| September 1, 2015 | Highbridge Capital Management LLC | 4.17% | still open |
| September 1, 2015 | Polygon Global Partners LLP | 3.04% | still open |
| August 31, 2015 | Highbridge Capital Management LLC | 4.17% | still open |
| August 31, 2015 | Polygon Global Partners LLP | 3.04% | still open |
| August 28, 2015 | Highbridge Capital Management LLC | 4.08% | still open |
| August 27, 2015 | Highbridge Capital Management LLC | 3.96% | still open |
| August 26, 2015 | Highbridge Capital Management LLC | 3.67% | still open |
| August 25, 2015 | Highbridge Capital Management LLC | 3.77% | still open |
| August 24, 2015 | Highbridge Capital Management LLC | 3.77% | still open |
| August 21, 2015 | Highbridge Capital Management LLC | 3.64% | still open |
| August 20, 2015 | Highbridge Capital Management LLC | 3.52% | still open |
| August 19, 2015 | Highbridge Capital Management LLC | 3.25% | still open |
| August 18, 2015 | Highbridge Capital Management LLC | 3.17% | still open |
| August 17, 2015 | Highbridge Capital Management LLC | 3.02% | still open |
| August 16, 2015 | Highbridge Capital Management LLC | 3.02% | still open |
| July 28, 2015 | Highbridge Capital Management LLC | 2.90% | still open |
| July 27, 2015 | Highbridge Capital Management LLC | 2.84% | still open |
| July 26, 2015 | Highbridge Capital Management LLC | 2.84% | still open |
| July 24, 2015 | Highbridge Capital Management LLC | 2.78% | still open |
| July 23, 2015 | Highbridge Capital Management LLC | 2.78% | still open |
| July 21, 2015 | Highbridge Capital Management LLC | 2.57% | still open |
| July 20, 2015 | Highbridge Capital Management LLC | 2.57% | still open |
| July 17, 2015 | Highbridge Capital Management LLC | 2.33% | still open |
| July 16, 2015 | Highbridge Capital Management LLC | 2.25% | still open |
| July 15, 2015 | Highbridge Capital Management LLC | 2.25% | still open |
| July 13, 2015 | Polygon Global Partners LLP | 3.18% | still open |
| July 12, 2015 | Polygon Global Partners LLP | 3.18% | still open |
| July 1, 2015 | Highbridge Capital Management LLC | 2.10% | still open |
| June 30, 2015 | Highbridge Capital Management LLC | 2.00% | still open |
| June 29, 2015 | Highbridge Capital Management LLC | 2.00% | still open |
| June 26, 2015 | Polygon Global Partners LLP | 3.03% | still open |
| June 25, 2015 | Polygon Global Partners LLP | 3.03% | still open |
| June 10, 2015 | Polygon Global Partners LLP | 2.94% | still open |
| June 9, 2015 | Polygon Global Partners LLP | 2.81% | still open |
| June 8, 2015 | Polygon Global Partners LLP | 2.81% | still open |
| June 8, 2015 | Highbridge Capital Management LLC | 1.80% | still open |
| June 7, 2015 | Highbridge Capital Management LLC | 1.80% | still open |
| June 4, 2015 | Highbridge Capital Management LLC | 1.70% | still open |
| June 3, 2015 | Highbridge Capital Management LLC | 1.70% | still open |
| June 3, 2015 | Advent Capital Management UK Limited | 1.21% | June 3, 2015 |
| June 2, 2015 | Highbridge Capital Management LLC | 1.67% | still open |
| June 2, 2015 | Advent Capital Management UK Limited | 1.21% | still open |
| June 1, 2015 | Highbridge Capital Management LLC | 1.67% | still open |
| May 20, 2015 | Highbridge Capital Management LLC | 1.51% | still open |
| May 19, 2015 | Highbridge Capital Management LLC | 1.49% | still open |
| May 18, 2015 | Highbridge Capital Management LLC | 1.25% | still open |