| March 20, 2018 | Egerton Capital (UK) LLP | 1.21% | still open |
| March 19, 2018 | Egerton Capital (UK) LLP | 1.04% | still open |
| March 16, 2018 | Egerton Capital (UK) LLP | 0.94% | still open |
| March 16, 2018 | Kuvari Partners LLP | 0.65% | still open |
| March 14, 2018 | Kuvari Partners LLP | 0.51% | still open |
| January 15, 2018 | Merian Global Investors (UK) Limited | 0.49% | still open |
| October 3, 2017 | Merian Global Investors (UK) Limited | 0.50% | still open |
| September 21, 2017 | Merian Global Investors (UK) Limited | 0.48% | still open |
| September 14, 2017 | Merian Global Investors (UK) Limited | 0.52% | still open |
| July 7, 2017 | Worldquant LLC | 0.49% | still open |
| June 29, 2017 | Worldquant LLC | 0.53% | still open |
| May 18, 2017 | Worldquant LLC | 0.48% | still open |
| May 11, 2017 | Worldquant LLC | 0.50% | still open |
| October 18, 2016 | Blackrock Investment Management (UK) Limited | 0.48% | still open |
| October 10, 2016 | Blackrock Investment Management (UK) Limited | 0.50% | still open |
| October 5, 2016 | Blackrock Investment Management (UK) Limited | 0.49% | still open |
| September 30, 2016 | Blackrock Investment Management (UK) Limited | 0.50% | still open |
| February 23, 2015 | Numeric Investors LLC | 0.49% | still open |
| January 26, 2015 | Numeric Investors LLC | 0.51% | still open |
| November 26, 2013 | Blackrock Investment Management (UK) Limited | 0.49% | still open |
| August 16, 2013 | Blackrock Investment Management (UK) Limited | 0.58% | still open |
| August 14, 2013 | Blackrock Investment Management (UK) Limited | 0.69% | still open |
| August 13, 2013 | Blackrock Investment Management (UK) Limited | 0.74% | still open |
| August 9, 2013 | Blackrock Investment Management (UK) Limited | 0.85% | still open |
| August 5, 2013 | Blackrock Investment Management (UK) Limited | 0.95% | still open |
| August 2, 2013 | Blackrock Investment Management (UK) Limited | 1.00% | still open |
| July 26, 2013 | Blackrock Investment Management (UK) Limited | 0.98% | still open |
| July 9, 2013 | Polygon Global Partners LLP | 0.00% | still open |
| July 8, 2013 | Blackrock Investment Management (UK) Limited | 1.02% | still open |
| July 8, 2013 | Funds Managed BY Cheyne Capital Management (UK) LLP | 0.00% | still open |
| July 8, 2013 | Pendragon Event Driven Fund | 0.00% | still open |
| July 5, 2013 | CQS (UK) LLP | 0.01% | still open |
| July 2, 2013 | Pendragon Event Driven Fund | 0.82% | still open |
| July 1, 2013 | Pendragon Event Driven Fund | 0.72% | still open |
| June 28, 2013 | Pendragon Event Driven Fund | 0.61% | still open |
| June 26, 2013 | Funds Managed BY Cheyne Capital Management (UK) LLP | 1.91% | still open |
| June 26, 2013 | Pendragon Event Driven Fund | 0.50% | still open |
| June 25, 2013 | Funds Managed BY Cheyne Capital Management (UK) LLP | 1.85% | still open |
| June 13, 2013 | CQS (UK) LLP | 0.72% | still open |
| June 11, 2013 | Funds Managed BY Cheyne Capital Management (UK) LLP | 1.72% | still open |
| June 10, 2013 | CQS (UK) LLP | 0.63% | still open |
| June 10, 2013 | Sandell Asset Management Corp | 0.00% | still open |
| May 31, 2013 | Funds Managed BY Cheyne Capital Management (UK) LLP | 1.53% | still open |
| May 22, 2013 | Blackrock Investment Management (UK) Limited | 1.39% | still open |
| May 21, 2013 | Polygon Global Partners LLP | 0.52% | still open |
| May 16, 2013 | Funds Managed BY Cheyne Capital Management (UK) LLP | 1.41% | still open |
| May 16, 2013 | Sandell Asset Management Corp | 0.63% | still open |
| May 15, 2013 | Funds Managed BY Cheyne Capital Management (UK) LLP | 1.36% | still open |
| May 9, 2013 | Funds Managed BY Cheyne Capital Management (UK) LLP | 1.21% | still open |
| May 4, 2013 | Funds Managed BY Cheyne Capital Management (UK) LLP | 1.60% | still open |