| March 10, 2014 | GLG Partners LP | 0.46% | still open |
| March 5, 2014 | Blackrock Investment Management (UK) Limited | 0.68% | still open |
| March 3, 2014 | Blackrock Investment Management (UK) Limited | 0.70% | still open |
| March 3, 2014 | GLG Partners LP | 0.50% | still open |
| February 27, 2014 | Blackrock Investment Management (UK) Limited | 0.69% | still open |
| February 21, 2014 | Blackrock Investment Management (UK) Limited | 0.70% | still open |
| February 21, 2014 | Insight Investment Management (global) LTD | 0.49% | still open |
| February 12, 2014 | Insight Investment Management (global) LTD | 0.59% | still open |
| February 5, 2014 | Insight Investment Management (global) LTD | 0.60% | still open |
| January 24, 2014 | GLG Partners LP | 0.45% | still open |
| January 23, 2014 | Insight Investment Management (global) LTD | 0.54% | still open |
| January 21, 2014 | Blackrock Institutional Trust Company, National Association | 0.49% | still open |
| January 17, 2014 | Blackrock Investment Management (UK) Limited | 0.67% | still open |
| January 14, 2014 | Blackrock Institutional Trust Company, National Association | 0.58% | still open |
| January 13, 2014 | GLG Partners LP | 0.58% | still open |
| January 8, 2014 | Blackrock Investment Management (UK) Limited | 0.79% | still open |
| January 8, 2014 | Blackrock Institutional Trust Company, National Association | 0.69% | still open |
| January 3, 2014 | GLG Partners LP | 0.63% | still open |
| December 27, 2013 | Blackrock Investment Management (UK) Limited | 0.81% | still open |
| December 27, 2013 | Blackrock Institutional Trust Company, National Association | 0.70% | still open |
| December 23, 2013 | Blackrock Institutional Trust Company, National Association | 0.69% | still open |
| December 16, 2013 | Blackrock Institutional Trust Company, National Association | 0.79% | still open |
| December 12, 2013 | Blackrock Institutional Trust Company, National Association | 0.86% | still open |
| December 12, 2013 | Blackrock Investment Management (UK) Limited | 0.79% | still open |
| December 5, 2013 | Blackrock Institutional Trust Company, National Association | 0.99% | still open |
| November 1, 2013 | Blackrock Investment Management (UK) Limited | 0.89% | still open |
| October 30, 2013 | Blackrock Institutional Trust Company, National Association | 1.09% | still open |
| October 30, 2013 | GLG Partners LP | 0.46% | still open |
| October 24, 2013 | GLG Partners LP | 0.50% | still open |
| October 21, 2013 | Blackrock Institutional Trust Company, National Association | 1.11% | still open |
| October 18, 2013 | GLG Partners LP | 0.49% | still open |
| October 16, 2013 | GLG Partners LP | 0.51% | still open |
| October 15, 2013 | Blackrock Institutional Trust Company, National Association | 1.03% | still open |
| October 11, 2013 | Blackrock Institutional Trust Company, National Association | 0.91% | still open |
| October 9, 2013 | Blackrock Institutional Trust Company, National Association | 0.83% | still open |
| October 7, 2013 | GLG Partners LP | 0.47% | still open |
| October 4, 2013 | GLG Partners LP | 0.55% | still open |
| October 2, 2013 | GLG Partners LP | 0.62% | still open |
| October 1, 2013 | Blackrock Institutional Trust Company, National Association | 0.73% | still open |
| October 1, 2013 | GLG Partners LP | 0.54% | still open |
| September 20, 2013 | Insight Investment Management (global) LTD | 0.68% | still open |
| September 19, 2013 | Insight Investment Management (global) LTD | 0.76% | still open |
| September 19, 2013 | Blackrock Institutional Trust Company, National Association | 0.62% | still open |
| September 17, 2013 | Citadel Europe LLP | 0.47% | still open |
| September 11, 2013 | Blackrock Institutional Trust Company, National Association | 0.50% | still open |
| August 30, 2013 | Insight Investment Management (global) LTD | 0.83% | still open |
| August 30, 2013 | Citadel Europe LLP | 0.68% | still open |
| August 21, 2013 | Citadel Europe LLP | 0.78% | still open |
| August 15, 2013 | Blackrock Investment Management (UK) Limited | 0.92% | still open |
| August 8, 2013 | Blackrock Investment Management (UK) Limited | 0.89% | still open |