| March 18, 2014 | BlackRock Institutional Trust Company, National Association | 0.63% | still open |
| January 31, 2014 | BlackRock Institutional Trust Company, National Association | 0.58% | still open |
| January 30, 2014 | BlackRock Institutional Trust Company, National Association | 0.58% | still open |
| January 28, 2014 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| January 27, 2014 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| January 7, 2014 | AQR Capital Management, LLC | 0.60% | still open |
| January 6, 2014 | AQR Capital Management, LLC | 0.60% | still open |
| December 17, 2013 | BlackRock Institutional Trust Company, National Association | 0.58% | still open |
| December 16, 2013 | BlackRock Institutional Trust Company, National Association | 0.58% | still open |
| December 13, 2013 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| December 12, 2013 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| November 20, 2013 | BlackRock Institutional Trust Company, National Association | 0.59% | still open |
| November 19, 2013 | BlackRock Institutional Trust Company, National Association | 0.59% | still open |
| October 24, 2013 | BlackRock Institutional Trust Company, National Association | 0.65% | still open |
| October 23, 2013 | BlackRock Institutional Trust Company, National Association | 0.65% | still open |
| October 21, 2013 | AQR Capital Management, LLC | 0.59% | still open |
| October 20, 2013 | AQR Capital Management, LLC | 0.59% | still open |
| October 16, 2013 | BlackRock Institutional Trust Company, National Association | 0.55% | still open |
| October 15, 2013 | BlackRock Institutional Trust Company, National Association | 0.55% | still open |
| October 10, 2013 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| October 9, 2013 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| September 17, 2013 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| September 16, 2013 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| September 5, 2013 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| September 4, 2013 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| July 24, 2013 | BlackRock Institutional Trust Company, National Association | 0.59% | still open |
| July 23, 2013 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| July 22, 2013 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| July 19, 2013 | Egerton Capital (UK) LLP | 0.66% | still open |
| July 18, 2013 | Egerton Capital (UK) LLP | 0.66% | still open |
| July 17, 2013 | Egerton Capital (UK) LLP | 0.71% | still open |
| July 16, 2013 | Egerton Capital (UK) LLP | 0.71% | still open |
| July 2, 2013 | BlackRock Institutional Trust Company, National Association | 0.57% | still open |
| July 1, 2013 | BlackRock Institutional Trust Company, National Association | 0.57% | still open |
| June 25, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.71% | still open |
| June 24, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.71% | still open |
| June 20, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.60% | still open |
| June 19, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.60% | still open |
| June 12, 2013 | BlackRock Institutional Trust Company, National Association | 0.69% | still open |
| June 11, 2013 | BlackRock Institutional Trust Company, National Association | 0.69% | still open |
| June 3, 2013 | BlackRock Institutional Trust Company, National Association | 0.77% | still open |
| June 3, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.55% | still open |
| June 2, 2013 | BlackRock Institutional Trust Company, National Association | 0.77% | still open |
| June 2, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.55% | still open |
| April 24, 2013 | BlackRock Institutional Trust Company, National Association | 0.88% | still open |
| April 23, 2013 | BlackRock Institutional Trust Company, National Association | 0.88% | still open |
| April 18, 2013 | BlackRock Institutional Trust Company, National Association | 0.99% | still open |
| April 17, 2013 | BlackRock Institutional Trust Company, National Association | 0.99% | still open |
| March 14, 2013 | BlackRock Institutional Trust Company, National Association | 1.09% | still open |
| March 13, 2013 | BlackRock Institutional Trust Company, National Association | 1.09% | still open |