| September 27, 2016 | GLG Partners LP | 0.50% | still open |
| September 22, 2016 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| September 19, 2016 | Blackrock Institutional Trust Company, National Association | 0.68% | still open |
| August 31, 2016 | Blackrock Institutional Trust Company, National Association | 0.70% | still open |
| August 24, 2016 | Blackrock Institutional Trust Company, National Association | 0.69% | still open |
| August 24, 2016 | Blackrock Investment Management (UK) Limited | 0.68% | still open |
| August 23, 2016 | Blackrock Institutional Trust Company, National Association | 0.70% | still open |
| August 19, 2016 | Blackrock Institutional Trust Company, National Association | 0.69% | still open |
| August 15, 2016 | Blackrock Investment Management (UK) Limited | 0.78% | still open |
| August 8, 2016 | Blackrock Institutional Trust Company, National Association | 0.79% | still open |
| August 5, 2016 | Blackrock Institutional Trust Company, National Association | 0.80% | still open |
| August 4, 2016 | Blackrock Institutional Trust Company, National Association | 0.79% | still open |
| August 2, 2016 | Blackrock Investment Management (UK) Limited | 0.89% | still open |
| July 29, 2016 | Blackrock Institutional Trust Company, National Association | 0.80% | still open |
| July 28, 2016 | Blackrock Investment Management (UK) Limited | 0.90% | still open |
| July 19, 2016 | Blackrock Investment Management (UK) Limited | 0.80% | still open |
| July 14, 2016 | Blackrock Institutional Trust Company, National Association | 0.70% | still open |
| July 12, 2016 | Blackrock Investment Management (UK) Limited | 0.71% | still open |
| July 12, 2016 | TT International | 0.47% | still open |
| July 7, 2016 | TT International | 0.52% | still open |
| June 29, 2016 | Blackrock Institutional Trust Company, National Association | 0.68% | still open |
| June 27, 2016 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| June 21, 2016 | Blackrock Institutional Trust Company, National Association | 0.70% | still open |
| June 13, 2016 | Blackrock Institutional Trust Company, National Association | 0.61% | still open |
| June 10, 2016 | Blackrock Investment Management (UK) Limited | 0.53% | still open |
| June 2, 2016 | Blackrock Institutional Trust Company, National Association | 0.52% | still open |
| January 11, 2016 | Greenlight Capital, INC. | 0.35% | still open |
| January 6, 2016 | Greenlight Capital, INC. | 0.65% | still open |
| January 5, 2016 | Greenlight Capital, INC. | 0.82% | still open |
| December 30, 2015 | Greenlight Capital, INC. | 1.00% | still open |
| December 29, 2015 | Greenlight Capital, INC. | 1.10% | still open |
| December 16, 2015 | Greenlight Capital, INC. | 1.33% | still open |
| December 15, 2015 | Greenlight Capital, INC. | 1.45% | still open |
| December 14, 2015 | Greenlight Capital, INC. | 1.69% | still open |
| December 9, 2015 | Greenlight Capital, INC. | 1.79% | still open |
| December 3, 2015 | Greenlight Capital, INC. | 1.83% | still open |
| November 27, 2015 | Greenlight Capital, INC. | 1.92% | still open |
| November 26, 2015 | Greenlight Capital, INC. | 2.10% | still open |
| November 25, 2015 | Greenlight Capital, INC. | 2.20% | still open |
| November 20, 2015 | Greenlight Capital, INC. | 2.50% | still open |
| November 19, 2015 | Greenlight Capital, INC. | 2.62% | still open |
| November 18, 2015 | Greenlight Capital, INC. | 2.77% | still open |
| November 17, 2015 | Greenlight Capital, INC. | 2.87% | still open |
| November 16, 2015 | Greenlight Capital, INC. | 3.01% | still open |
| September 18, 2015 | Greenlight Capital, INC. | 3.10% | still open |
| September 17, 2015 | Greenlight Capital, INC. | 3.20% | still open |
| August 24, 2015 | Greenlight Capital, INC. | 3.48% | still open |
| April 28, 2015 | Greenlight Capital, INC. | 3.50% | still open |
| October 29, 2014 | Greenlight Capital, INC. | 3.45% | still open |
| October 16, 2014 | Greenlight Capital, INC. | 3.54% | still open |