| March 17, 2015 | Cadian Capital Management, LP | 0.57% | still open |
| March 16, 2015 | Cadian Capital Management, LP | 0.57% | still open |
| March 13, 2015 | Cadian Capital Management, LP | 0.64% | still open |
| March 12, 2015 | Cadian Capital Management, LP | 0.64% | still open |
| March 10, 2015 | Cadian Capital Management LLC | 0.78% | still open |
| March 9, 2015 | Cadian Capital Management LLC | 0.78% | still open |
| March 5, 2015 | Cadian Capital Management LLC | 0.84% | still open |
| March 4, 2015 | Cadian Capital Management LLC | 0.84% | still open |
| March 2, 2015 | Cadian Capital Management LLC | 0.99% | still open |
| March 1, 2015 | Cadian Capital Management LLC | 0.99% | still open |
| February 27, 2015 | Cadian Capital Management LLC | 1.05% | still open |
| February 26, 2015 | Cadian Capital Management LLC | 1.28% | still open |
| February 25, 2015 | Cadian Capital Management LLC | 1.28% | still open |
| February 24, 2015 | Cadian Capital Management LLC | 1.38% | still open |
| February 23, 2015 | Cadian Capital Management LLC | 1.38% | still open |
| February 17, 2015 | Cadian Capital Management LLC | 1.47% | still open |
| February 16, 2015 | Cadian Capital Management LLC | 1.47% | still open |
| February 13, 2015 | Cadian Capital Management LLC | 1.53% | still open |
| February 12, 2015 | Cadian Capital Management LLC | 1.99% | still open |
| February 11, 2015 | Cadian Capital Management LLC | 2.98% | still open |
| February 10, 2015 | Cadian Capital Management LLC | 3.81% | still open |
| February 9, 2015 | Cadian Capital Management LLC | 3.81% | still open |
| July 19, 2013 | Cadian Capital Management LLC | 5.82% | still open |
| July 18, 2013 | Cadian Capital Management LLC | 5.73% | still open |
| July 17, 2013 | Cadian Capital Management LLC | 5.73% | still open |
| July 15, 2013 | AKO Capital LLP for AKO Master Fund Limited | 0.68% | still open |
| July 14, 2013 | AKO Capital LLP for AKO Master Fund Limited | 0.68% | still open |
| July 11, 2013 | Cadian Capital Management LLC | 5.60% | still open |
| July 11, 2013 | AKO Capital LLP for AKO Master Fund Limited | 0.75% | still open |
| July 10, 2013 | Cadian Capital Management LLC | 5.52% | still open |
| July 10, 2013 | AKO Capital LLP for AKO Master Fund Limited | 1.15% | still open |
| July 9, 2013 | Cadian Capital Management LLC | 5.52% | still open |
| July 9, 2013 | AKO Capital LLP for AKO Master Fund Limited | 1.15% | still open |
| July 9, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.58% | still open |
| July 8, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.58% | still open |
| July 4, 2013 | Cadian Capital Management LLC | 5.42% | still open |
| July 3, 2013 | Cadian Capital Management LLC | 5.42% | still open |
| April 12, 2013 | Cadian Capital Management LLC | 5.33% | still open |
| April 11, 2013 | Cadian Capital Management LLC | 5.33% | still open |
| April 10, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.60% | still open |
| April 9, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.60% | still open |
| March 26, 2013 | Cadian Capital Management LLC | 5.21% | still open |
| March 25, 2013 | Cadian Capital Management LLC | 5.21% | still open |
| March 21, 2013 | Cadian Capital Management LLC | 5.18% | still open |
| March 20, 2013 | Cadian Capital Management LLC | 5.03% | still open |
| March 19, 2013 | Cadian Capital Management LLC | 5.03% | still open |
| March 6, 2013 | AKO Capital LLP for AKO Master Fund Limited | 1.22% | still open |
| March 5, 2013 | AKO Capital LLP for AKO Master Fund Limited | 1.22% | still open |
| January 31, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.53% | still open |
| January 30, 2013 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.53% | still open |
| January 28, 2013 | AKO Capital LLP for AKO Master Fund Limited | 1.12% | still open |
| January 27, 2013 | AKO Capital LLP for AKO Master Fund Limited | 1.12% | still open |
| December 18, 2012 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.74% | still open |
| December 17, 2012 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.74% | still open |
| December 14, 2012 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.63% | still open |
| December 13, 2012 | Egerton Capital Limited as general partner of Egerton Capital Limited Partnership | 0.63% | still open |
| December 4, 2012 | Egerton Capital Limited | 0.59% | still open |
| December 3, 2012 | Egerton Capital Limited | 0.59% | still open |
| November 6, 2012 | AKO Capital LLP for AKO Master Fund Limited | 1.04% | still open |
| November 5, 2012 | AKO Capital LLP for AKO Master Fund Limited | 1.04% | still open |
| November 1, 2012 | Cadian Capital Management LLC | 4.92% | still open |
| November 1, 2012 | Egerton Capital Limited | 0.74% | still open |
| October 31, 2012 | Cadian Capital Management LLC | 4.92% | still open |
| October 31, 2012 | Egerton Capital Limited | 0.74% | still open |