| January 8, 2013 | Millennium Capital Partners LLP | 0.30% | still open |
| November 1, 2012 | Highbridge Capital Management LLC | 0.91% | still open |
| November 1, 2012 | Millennium Capital Partners LLP | 0.58% | still open |
| November 1, 2012 | Saemor Capital B.V. | 0.52% | still open |
| November 1, 2012 | Saemor Europe Alpha Fund | 0.00% | still open |
| September 13, 2012 | Millennium Capital Partners LLP | 0.58% | still open |
| August 28, 2012 | Millennium Capital Partners LLP | 0.69% | still open |
| August 22, 2012 | Blackrock Institutional Trust Company, National Association | 0.50% | still open |
| August 6, 2012 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| July 30, 2012 | Millennium Capital Partners LLP | 0.79% | still open |
| July 24, 2012 | Millennium Capital Partners LLP | 0.88% | still open |
| July 19, 2012 | Blackrock Institutional Trust Company, National Association | 0.61% | still open |
| July 13, 2012 | Highbridge Capital Management LLC | 0.90% | still open |
| July 6, 2012 | Blackrock Institutional Trust Company, National Association | 0.50% | still open |
| July 5, 2012 | Millennium Capital Partners LLP | 0.92% | still open |
| July 3, 2012 | Oxford Asset Management | 0.50% | still open |
| June 26, 2012 | Millennium Capital Partners LLP | 0.80% | still open |
| June 19, 2012 | Highbridge Capital Management LLC | 0.89% | still open |
| June 15, 2012 | Oxford Asset Management | 0.59% | still open |
| June 14, 2012 | Highbridge Capital Management LLC | 0.90% | still open |
| June 14, 2012 | Oxford Asset Management | 0.60% | still open |
| June 13, 2012 | Millennium Capital Partners LLP | 0.78% | still open |
| June 8, 2012 | Oxford Asset Management | 0.60% | still open |
| June 1, 2012 | Millennium Capital Partners LLP | 0.81% | still open |
| May 30, 2012 | Millennium Capital Partners LLP | 0.80% | still open |
| May 28, 2012 | Highbridge Capital Management LLC | 0.82% | still open |
| May 25, 2012 | Highbridge Capital Management LLC | 0.76% | still open |
| May 23, 2012 | Millennium Capital Partners LLP | 0.80% | still open |
| May 23, 2012 | Highbridge Capital Management LLC | 0.64% | still open |
| May 18, 2012 | Highbridge Capital Management LLC | 0.50% | still open |
| May 16, 2012 | Millennium Capital Partners LLP | 0.79% | still open |
| May 16, 2012 | Oxford Asset Management | 0.60% | still open |
| May 3, 2012 | Oxford Asset Management | 0.51% | still open |
| May 2, 2012 | Millennium Capital Partners LLP | 0.80% | still open |
| April 30, 2012 | Millennium Capital Partners LLP | 0.70% | still open |
| April 27, 2012 | Millennium Capital Partners LLP | 0.70% | still open |
| April 19, 2012 | Millennium Capital Partners LLP | 0.68% | still open |
| April 17, 2012 | Millennium Capital Partners LLP | 0.71% | still open |
| April 16, 2012 | Millennium Capital Partners LLP | 0.70% | still open |
| April 13, 2012 | Millennium Capital Partners LLP | 0.70% | still open |
| April 11, 2012 | Millennium Capital Partners LLP | 0.58% | still open |
| April 10, 2012 | Millennium Capital Partners LLP | 0.61% | still open |
| March 21, 2012 | Millennium Capital Partners LLP | 0.57% | still open |
| March 20, 2012 | Millennium Capital Partners LLP | 0.61% | still open |
| March 15, 2012 | Millennium Capital Partners LLP | 0.74% | still open |
| March 12, 2012 | Millennium Capital Partners LLP | 0.67% | still open |
| March 11, 2012 | Millennium Capital Partners LLP | 0.72% | still open |
| March 7, 2012 | Millennium Capital Partners LLP | 0.70% | still open |
| March 6, 2012 | Millennium Capital Partners LLP | 0.71% | still open |
| February 29, 2012 | Millennium Capital Partners LLP | 0.67% | still open |