| May 11, 2016 | Caledonia (private) Investments PTY Limited | 1.28% | still open |
| April 19, 2016 | Blackrock Institutional Trust Company, National Association | 0.99% | still open |
| April 14, 2016 | Strategic Value Partners, LLC | 0.80% | still open |
| April 12, 2016 | Blackrock Institutional Trust Company, National Association | 1.08% | still open |
| March 30, 2016 | Oceanwood Capital Management LLP | 1.50% | still open |
| March 16, 2016 | Sand Grove Capital Management LLP | 0.90% | still open |
| March 15, 2016 | Oceanwood Capital Management LLP | 1.42% | still open |
| March 15, 2016 | Blackrock Institutional Trust Company, National Association | 1.19% | still open |
| March 10, 2016 | Sand Grove Capital Management LLP | 1.00% | still open |
| March 3, 2016 | Sand Grove Capital Management LLP | 1.05% | still open |
| February 26, 2016 | Sand Grove Capital Management LLP | 0.92% | still open |
| February 24, 2016 | Sand Grove Capital Management LLP | 0.76% | still open |
| February 22, 2016 | Oceanwood Capital Management LLP | 1.52% | still open |
| February 19, 2016 | Blackrock Institutional Trust Company, National Association | 1.28% | still open |
| February 16, 2016 | Oceanwood Capital Management LLP | 1.45% | still open |
| February 16, 2016 | Blackrock Institutional Trust Company, National Association | 1.36% | still open |
| February 11, 2016 | Blackrock Institutional Trust Company, National Association | 1.44% | still open |
| February 5, 2016 | Oceanwood Capital Management LLP | 1.34% | still open |
| February 4, 2016 | Oceanwood Capital Management LLP | 1.29% | still open |
| February 3, 2016 | Oceanwood Capital Management LLP | 1.18% | still open |
| January 11, 2016 | Blackrock Institutional Trust Company, National Association | 1.31% | still open |
| January 7, 2016 | Blackrock Institutional Trust Company, National Association | 1.20% | still open |
| January 6, 2016 | Blackrock Institutional Trust Company, National Association | 1.09% | still open |
| December 24, 2015 | Oceanwood Capital Management LLP | 1.01% | still open |
| December 21, 2015 | Oceanwood Capital Management LLP | 0.95% | still open |
| December 18, 2015 | Pennant Capital Management LLC | 1.99% | still open |
| December 18, 2015 | Blackrock Institutional Trust Company, National Association | 0.99% | still open |
| December 18, 2015 | Oceanwood Capital Management LLP | 0.69% | still open |
| December 17, 2015 | Pennant Capital Management LLC | 2.06% | still open |
| December 15, 2015 | Blackrock Institutional Trust Company, National Association | 1.01% | still open |
| December 10, 2015 | Blackrock Institutional Trust Company, National Association | 0.95% | still open |
| December 7, 2015 | Blackrock Institutional Trust Company, National Association | 0.80% | still open |
| November 23, 2015 | Blackrock Institutional Trust Company, National Association | 0.75% | still open |
| November 18, 2015 | Pennant Capital Management LLC | 2.19% | still open |
| November 17, 2015 | Blackrock Institutional Trust Company, National Association | 0.83% | still open |
| November 13, 2015 | Pennant Capital Management LLC | 2.28% | still open |
| November 12, 2015 | Blackrock Institutional Trust Company, National Association | 0.72% | still open |
| November 11, 2015 | Pennant Capital Management LLC | 2.36% | still open |
| November 5, 2015 | Blackrock Institutional Trust Company, National Association | 0.62% | still open |
| November 2, 2015 | AQR Capital Management, LLC | 0.48% | still open |
| October 30, 2015 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| October 28, 2015 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| October 22, 2015 | Blackrock Institutional Trust Company, National Association | 0.58% | still open |
| October 15, 2015 | AQR Capital Management, LLC | 0.59% | still open |
| October 14, 2015 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| October 9, 2015 | AQR Capital Management, LLC | 0.67% | still open |
| October 8, 2015 | Capital Fund Management SA | 0.47% | still open |
| October 5, 2015 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| October 1, 2015 | Pennant Capital Management LLC | 2.46% | still open |
| October 1, 2015 | Capeview Capital LLP | 0.49% | still open |