| July 1, 2015 | Millennium International Management LP | 0.00% | still open |
| July 1, 2015 | POINT72 Asset Management, L.P. | 0.00% | still open |
| June 19, 2015 | POINT72 Asset Management, L.P. | 2.78% | still open |
| June 19, 2015 | Millennium International Management LP | 0.69% | still open |
| June 18, 2015 | POINT72 Asset Management, L.P. | 2.83% | still open |
| June 18, 2015 | Millennium International Management LP | 0.94% | still open |
| June 17, 2015 | POINT72 Asset Management, L.P. | 2.90% | still open |
| June 8, 2015 | Millennium International Management LP | 0.87% | still open |
| June 5, 2015 | POINT72 Asset Management, L.P. | 2.81% | still open |
| June 5, 2015 | Millennium International Management LP | 0.97% | still open |
| June 4, 2015 | Millennium International Management LP | 1.10% | still open |
| June 3, 2015 | POINT72 Asset Management, L.P. | 2.73% | still open |
| June 3, 2015 | Millennium International Management LP | 1.37% | still open |
| June 1, 2015 | POINT72 Asset Management, L.P. | 2.63% | still open |
| May 29, 2015 | POINT72 Asset Management, L.P. | 2.72% | still open |
| May 28, 2015 | Millennium International Management LP | 1.54% | still open |
| May 26, 2015 | Millennium International Management LP | 1.41% | still open |
| May 22, 2015 | Millennium International Management LP | 1.32% | still open |
| May 20, 2015 | Millennium International Management LP | 1.20% | still open |
| May 13, 2015 | Millennium International Management LP | 1.01% | still open |
| May 8, 2015 | Millennium International Management LP | 1.12% | still open |
| May 7, 2015 | Millennium International Management LP | 1.27% | still open |
| May 6, 2015 | Millennium International Management LP | 1.53% | still open |
| May 5, 2015 | Millennium International Management LP | 1.76% | still open |
| May 4, 2015 | Millennium International Management LP | 1.90% | still open |
| May 1, 2015 | POINT72 Asset Management, L.P. | 2.82% | still open |
| April 30, 2015 | Millennium International Management LP | 1.76% | still open |
| April 28, 2015 | Millennium International Management LP | 1.96% | still open |
| April 27, 2015 | POINT72 Asset Management, L.P. | 2.73% | still open |
| April 27, 2015 | Millennium International Management LP | 2.03% | still open |
| April 24, 2015 | Millennium International Management LP | 2.13% | still open |
| April 23, 2015 | Millennium International Management LP | 2.28% | still open |
| April 22, 2015 | Millennium International Management LP | 2.60% | still open |
| April 21, 2015 | POINT72 Asset Management, L.P. | 2.66% | still open |
| April 17, 2015 | Millennium International Management LP | 2.46% | still open |
| April 10, 2015 | Millennium International Management LP | 2.52% | still open |
| April 8, 2015 | Millennium International Management LP | 2.68% | still open |
| April 2, 2015 | Millennium International Management LP | 2.82% | still open |
| April 2, 2015 | POINT72 Asset Management, L.P. | 2.75% | still open |
| April 1, 2015 | POINT72 Asset Management, L.P. | 2.58% | still open |
| March 30, 2015 | Millennium International Management LP | 3.02% | still open |
| March 20, 2015 | Millennium International Management LP | 3.19% | still open |
| March 19, 2015 | Millennium International Management LP | 3.66% | still open |
| March 18, 2015 | Millennium International Management LP | 3.73% | still open |
| March 16, 2015 | Millennium International Management LP | 3.62% | still open |
| March 13, 2015 | Millennium International Management LP | 3.53% | still open |
| March 12, 2015 | Millennium International Management LP | 3.24% | still open |
| March 10, 2015 | Millennium International Management LP | 3.14% | still open |
| March 9, 2015 | Millennium International Management LP | 3.24% | still open |
| March 2, 2015 | Millennium International Management LP | 3.12% | still open |