| May 18, 2015 | Oxford Asset Management | 0.72% | still open |
| May 15, 2015 | Marshall Wace LLP | 1.05% | still open |
| May 15, 2015 | Airain LTD | 0.49% | still open |
| May 14, 2015 | Marshall Wace LLP | 1.24% | still open |
| May 14, 2015 | Worldquant, LLC | 0.80% | still open |
| May 13, 2015 | Oxford Asset Management | 0.63% | still open |
| May 13, 2015 | Airain LTD | 0.53% | still open |
| May 12, 2015 | Marshall Wace LLP | 1.10% | still open |
| May 11, 2015 | Marshall Wace LLP | 1.02% | still open |
| May 11, 2015 | Worldquant, LLC | 0.71% | still open |
| May 8, 2015 | Marshall Wace LLP | 0.93% | still open |
| May 7, 2015 | Marshall Wace LLP | 0.87% | still open |
| May 7, 2015 | Oxford Asset Management | 0.50% | still open |
| May 6, 2015 | Marshall Wace LLP | 0.74% | still open |
| May 5, 2015 | Marshall Wace LLP | 0.67% | still open |
| April 30, 2015 | Worldquant, LLC | 0.61% | still open |
| April 30, 2015 | Marshall Wace LLP | 0.50% | still open |
| April 29, 2015 | Worldquant, LLC | 0.54% | still open |
| April 23, 2015 | Jpmorgan Asset Management (UK) LTD | 1.42% | still open |
| April 23, 2015 | Millennium International Management LP | 0.49% | still open |
| April 22, 2015 | Millennium International Management LP | 0.57% | still open |
| April 20, 2015 | Millennium International Management LP | 0.67% | still open |
| April 17, 2015 | Millennium International Management LP | 0.74% | still open |
| April 16, 2015 | Jpmorgan Asset Management (UK) LTD | 1.33% | still open |
| April 15, 2015 | Millennium International Management LP | 0.64% | still open |
| April 14, 2015 | Jpmorgan Asset Management (UK) LTD | 1.23% | still open |
| April 2, 2015 | Millennium International Management LP | 0.51% | still open |
| March 26, 2015 | Millennium International Management LP | 0.44% | still open |
| March 25, 2015 | Millennium International Management LP | 0.50% | still open |
| March 23, 2015 | Millennium International Management LP | 0.49% | still open |
| March 19, 2015 | Millennium International Management LP | 0.50% | still open |
| March 18, 2015 | Millennium International Management LP | 0.62% | still open |
| March 12, 2015 | Millennium International Management LP | 0.51% | still open |
| January 19, 2015 | AHL Partners LLP | 0.49% | still open |
| December 29, 2014 | AHL Partners LLP | 0.58% | still open |
| December 19, 2014 | AHL Partners LLP | 0.67% | still open |
| October 27, 2014 | Oxford Asset Management | 0.60% | still open |
| October 13, 2014 | AHL Partners LLP | 0.63% | still open |
| October 8, 2014 | Oxford Asset Management | 0.51% | still open |
| October 6, 2014 | AHL Partners LLP | 0.52% | still open |
| August 13, 2014 | Oxford Asset Management | 0.51% | still open |
| July 14, 2014 | Millennium International Management LP | 0.30% | still open |
| July 10, 2014 | TT International | 0.43% | still open |
| July 3, 2014 | TT International | 0.60% | still open |
| July 3, 2014 | Millennium International Management LP | 0.57% | still open |
| July 1, 2014 | TT International | 0.50% | still open |
| June 27, 2014 | Millennium International Management LP | 0.60% | still open |
| June 26, 2014 | Millennium International Management LP | 0.59% | still open |
| June 25, 2014 | Millennium International Management LP | 0.60% | still open |
| June 25, 2014 | TT International | 0.42% | still open |
| June 24, 2014 | Millennium International Management LP | 0.59% | still open |
| June 18, 2014 | Adage Capital Management L.P. | 0.47% | still open |
| June 13, 2014 | TT International | 0.57% | still open |
| June 12, 2014 | Millennium International Management LP | 0.67% | still open |
| June 10, 2014 | Millennium International Management LP | 0.70% | still open |
| June 5, 2014 | Millennium International Management LP | 0.60% | still open |
| June 3, 2014 | Millennium International Management LP | 0.50% | still open |
| June 2, 2014 | Adage Capital Management L.P. | 0.56% | still open |
| April 11, 2014 | Marshall Wace LLP | 0.46% | still open |
| April 8, 2014 | Marshall Wace LLP | 0.50% | still open |
| April 4, 2014 | Marshall Wace LLP | 0.49% | still open |
| March 31, 2014 | Marshall Wace LLP | 0.50% | still open |
| March 31, 2014 | TT International | 0.29% | still open |
| March 28, 2014 | TT International | 0.54% | still open |
| March 27, 2014 | TT International | 0.79% | still open |
| March 25, 2014 | Marshall Wace LLP | 0.49% | still open |
| March 24, 2014 | Marshall Wace LLP | 0.58% | still open |
| March 17, 2014 | Millennium International Management LP | 0.49% | still open |
| March 10, 2014 | Millennium International Management LP | 0.50% | still open |
| March 5, 2014 | Marshall Wace LLP | 0.61% | still open |
| February 27, 2014 | TT International | 0.82% | still open |
| February 26, 2014 | TT International | 0.72% | still open |
| February 26, 2014 | Marshall Wace LLP | 0.57% | still open |
| February 17, 2014 | Marshall Wace LLP | 0.61% | still open |
| February 13, 2014 | Marshall Wace LLP | 0.51% | still open |
| January 24, 2014 | Adage Capital Management L.P. | 0.53% | still open |
| September 20, 2013 | Oxford Asset Management | 0.59% | still open |
| September 17, 2013 | AQR Capital Management, LLC | 0.49% | still open |
| September 16, 2013 | Oxford Asset Management | 0.68% | still open |
| August 30, 2013 | Oxford Asset Management | 0.79% | still open |
| August 27, 2013 | Saemor Capital B.V. | 0.48% | still open |
| August 20, 2013 | Blackrock Institutional Trust Company, National Association | 0.49% | still open |
| August 7, 2013 | Oxford Asset Management | 0.87% | still open |
| August 6, 2013 | Oxford Asset Management | 0.99% | still open |
| August 6, 2013 | AQR Capital Management, LLC | 0.58% | still open |
| August 5, 2013 | AQR Capital Management, LLC | 0.61% | still open |
| August 2, 2013 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| July 19, 2013 | Oxford Asset Management | 1.09% | still open |
| July 18, 2013 | Saemor Capital B.V. | 0.50% | still open |
| July 15, 2013 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| July 11, 2013 | Oxford Asset Management | 1.17% | still open |
| July 9, 2013 | Oxford Asset Management | 1.20% | still open |
| July 8, 2013 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| July 2, 2013 | Oxford Asset Management | 1.12% | still open |
| July 1, 2013 | AQR Capital Management, LLC | 0.51% | still open |
| June 14, 2013 | Oxford Asset Management | 1.00% | still open |
| June 13, 2013 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| June 11, 2013 | Oxford Asset Management | 0.93% | still open |
| June 5, 2013 | Oxford Asset Management | 0.81% | still open |
| May 30, 2013 | Blackrock Institutional Trust Company, National Association | 0.50% | still open |
| May 23, 2013 | Oxford Asset Management | 0.70% | still open |
| May 16, 2013 | AQR Capital Management, LLC | 0.47% | still open |
| May 14, 2013 | AQR Capital Management, LLC | 0.57% | still open |
| May 7, 2013 | AQR Capital Management, LLC | 0.66% | still open |
| April 22, 2013 | AQR Capital Management, LLC | 0.79% | still open |
| April 17, 2013 | Adage Capital Management L.P. | 0.44% | still open |
| April 16, 2013 | AQR Capital Management, LLC | 0.86% | still open |
| April 16, 2013 | Adage Capital Management L.P. | 0.59% | still open |
| April 8, 2013 | AQR Capital Management, LLC | 0.98% | still open |
| April 2, 2013 | Saemor Capital B.V. | 0.45% | still open |
| March 28, 2013 | Blackrock Institutional Trust Company, National Association | 0.49% | still open |
| March 27, 2013 | Saemor Capital B.V. | 0.63% | still open |
| March 19, 2013 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| March 14, 2013 | Oxford Asset Management | 0.60% | still open |
| March 14, 2013 | Highbridge Capital Management LLC | 0.49% | still open |
| March 13, 2013 | AQR Capital Management, LLC | 1.07% | still open |
| March 12, 2013 | Highbridge Capital Management LLC | 0.68% | still open |
| March 7, 2013 | Highbridge Capital Management LLC | 0.79% | still open |
| March 5, 2013 | Highbridge Capital Management LLC | 0.86% | still open |
| March 5, 2013 | Blackrock Institutional Trust Company, National Association | 0.64% | still open |
| March 4, 2013 | Highbridge Capital Management LLC | 0.95% | still open |
| March 1, 2013 | Highbridge Capital Management LLC | 1.07% | still open |
| February 28, 2013 | Highbridge Capital Management LLC | 1.17% | still open |
| February 28, 2013 | AQR Capital Management, LLC | 1.12% | still open |
| February 28, 2013 | Blackrock Institutional Trust Company, National Association | 0.78% | still open |
| February 26, 2013 | Highbridge Capital Management LLC | 1.27% | still open |
| February 25, 2013 | Highbridge Capital Management LLC | 1.32% | still open |
| February 25, 2013 | UBS O'Connor Limited | 0.25% | still open |
| February 22, 2013 | Blackrock Institutional Trust Company, National Association | 0.81% | still open |
| February 22, 2013 | UBS O'Connor Limited | 0.55% | still open |
| February 21, 2013 | UBS O'Connor Limited | 0.75% | still open |
| February 20, 2013 | UBS O'Connor Limited | 1.15% | still open |
| February 19, 2013 | UBS O'Connor Limited | 1.20% | still open |
| February 15, 2013 | AQR Capital Management, LLC | 1.01% | still open |
| February 15, 2013 | Oxford Asset Management | 0.51% | still open |
| February 13, 2013 | UBS O'Connor Limited | 0.90% | still open |
| February 13, 2013 | Blackrock Institutional Trust Company, National Association | 0.79% | still open |
| February 11, 2013 | UBS O'Connor Limited | 1.10% | still open |
| February 8, 2013 | UBS O'Connor Limited | 1.07% | still open |
| February 7, 2013 | Highbridge Capital Management LLC | 1.28% | still open |
| February 6, 2013 | UBS O'Connor Limited | 0.95% | still open |
| February 6, 2013 | Blackrock Institutional Trust Company, National Association | 0.88% | still open |
| February 4, 2013 | UBS O'Connor Limited | 0.85% | still open |
| January 31, 2013 | Blackrock Institutional Trust Company, National Association | 0.93% | still open |
| January 31, 2013 | AQR Capital Management, LLC | 0.92% | still open |
| January 30, 2013 | Saemor Capital B.V. | 0.80% | still open |
| January 30, 2013 | UBS O'Connor Limited | 0.70% | still open |
| January 16, 2013 | UBS O'Connor Limited | 0.52% | still open |
| January 14, 2013 | Highbridge Capital Management LLC | 1.38% | still open |
| January 10, 2013 | Highbridge Capital Management LLC | 1.48% | still open |
| January 10, 2013 | AQR Capital Management, LLC | 0.84% | still open |
| January 7, 2013 | Blackrock Institutional Trust Company, National Association | 0.88% | still open |
| January 2, 2013 | Highbridge Capital Management LLC | 1.52% | still open |
| January 2, 2013 | Blackrock Institutional Trust Company, National Association | 0.96% | still open |
| December 19, 2012 | Highbridge Capital Management LLC | 1.48% | still open |
| December 19, 2012 | Blackrock Institutional Trust Company, National Association | 1.09% | still open |
| December 17, 2012 | AQR Capital Management, LLC | 0.77% | still open |
| December 14, 2012 | Highbridge Capital Management LLC | 1.56% | still open |
| December 13, 2012 | Highbridge Capital Management LLC | 1.65% | still open |
| December 7, 2012 | Blackrock Institutional Trust Company, National Association | 1.10% | still open |
| December 7, 2012 | AQR Capital Management, LLC | 0.83% | still open |
| December 6, 2012 | Highbridge Capital Management LLC | 1.76% | still open |
| December 3, 2012 | AQR Capital Management, LLC | 0.79% | still open |
| November 29, 2012 | AQR Capital Management, LLC | 0.80% | still open |
| November 28, 2012 | Highbridge Capital Management LLC | 1.62% | still open |
| November 23, 2012 | Highbridge Capital Management LLC | 1.51% | still open |
| November 21, 2012 | Highbridge Capital Management LLC | 1.43% | still open |
| November 20, 2012 | Highbridge Capital Management LLC | 1.34% | still open |
| November 19, 2012 | Blackrock Institutional Trust Company, National Association | 0.91% | still open |
| November 19, 2012 | AQR Capital Management, LLC | 0.79% | still open |
| November 16, 2012 | Highbridge Capital Management LLC | 1.25% | still open |
| November 15, 2012 | Highbridge Capital Management LLC | 1.30% | still open |
| November 15, 2012 | Blackrock Institutional Trust Company, National Association | 0.71% | still open |
| November 14, 2012 | Blackrock Institutional Trust Company, National Association | 0.61% | still open |
| November 12, 2012 | Highbridge Capital Management LLC | 1.26% | still open |
| November 9, 2012 | Blackrock Institutional Trust Company, National Association | 0.56% | still open |
| November 6, 2012 | AQR Capital Management, LLC | 0.89% | still open |
| November 5, 2012 | Highbridge Capital Management LLC | 1.13% | still open |
| November 2, 2012 | Highbridge Capital Management LLC | 1.03% | still open |
| November 2, 2012 | AQR Capital Management, LLC | 0.92% | still open |
| November 2, 2012 | Blackrock Institutional Trust Company, National Association | 0.66% | still open |
| November 1, 2012 | Saemor Capital B.V. | 0.97% | still open |
| October 26, 2012 | Highbridge Statistical Opportunities Master Fund, L.P. | 0.49% | still open |