| February 12, 2018 | Millennium International Management LP | 0.50% | still open |
| February 5, 2018 | Henderson Global Investors Limited | 0.00% | still open |
| January 31, 2018 | Henderson Global Investors Limited | 0.60% | still open |
| January 30, 2018 | Henderson Global Investors Limited | 0.60% | still open |
| January 16, 2018 | Henderson Global Investors Limited | 0.50% | still open |
| January 15, 2018 | Henderson Global Investors Limited | 0.50% | still open |
| January 5, 2018 | Millennium Capital Partners LLP | 0.50% | still open |
| January 4, 2018 | Millennium Capital Partners LLP | 0.00% | still open |
| December 20, 2017 | Henderson Global Investors Limited | 0.00% | still open |
| December 18, 2017 | Henderson Global Investors Limited | 0.55% | still open |
| December 18, 2017 | Millennium Capital Partners LLP | 0.50% | still open |
| December 17, 2017 | Henderson Global Investors Limited | 0.55% | still open |
| December 17, 2017 | Millennium Capital Partners LLP | 0.50% | still open |
| December 15, 2017 | Millennium Capital Partners LLP | 0.00% | still open |
| December 12, 2017 | Millennium Capital Partners LLP | 0.50% | still open |
| December 11, 2017 | Millennium Capital Partners LLP | 0.50% | still open |
| December 7, 2017 | Henderson Global Investors Limited | 0.60% | still open |
| December 6, 2017 | Henderson Global Investors Limited | 0.60% | still open |
| December 5, 2017 | Blackrock Institutional Trust Company, National Association | 0.00% | still open |
| December 4, 2017 | Millennium Capital Partners LLP | 0.00% | still open |
| November 27, 2017 | Merian Global Investors (UK) Limited | 0.51% | still open |
| November 27, 2017 | Old Mutual Global Investors (UK) Limited | 0.51% | still open |
| November 26, 2017 | Old Mutual Global Investors (UK) Limited | 0.51% | still open |
| November 10, 2017 | BlackRock Investment Management (UK) Limited | 0.59% | still open |
| November 9, 2017 | BlackRock Investment Management (UK) Limited | 0.59% | still open |
| October 30, 2017 | Henderson Global Investors Limited | 0.50% | still open |
| October 29, 2017 | Henderson Global Investors Limited | 0.50% | still open |
| October 25, 2017 | Millennium Capital Partners LLP | 0.50% | still open |
| October 24, 2017 | Millennium Capital Partners LLP | 0.50% | still open |
| October 19, 2017 | Henderson Global Investors Limited | 0.52% | still open |
| October 18, 2017 | Henderson Global Investors Limited | 0.52% | still open |
| August 8, 2017 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| August 7, 2017 | BlackRock Institutional Trust Company, National Association | 0.60% | still open |
| July 17, 2017 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| July 16, 2017 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| July 10, 2017 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| July 9, 2017 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| June 15, 2017 | Millennium Capital Partners LLP | 0.56% | still open |
| June 15, 2017 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| June 14, 2017 | Millennium Capital Partners LLP | 0.56% | still open |
| June 14, 2017 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| May 18, 2017 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| May 17, 2017 | BlackRock Institutional Trust Company, National Association | 0.50% | still open |
| May 11, 2016 | BlackRock Institutional Trust Company, National Association | 0.59% | still open |
| May 10, 2016 | BlackRock Institutional Trust Company, National Association | 0.59% | still open |
| April 28, 2016 | Och-Ziff Management Europe Ltd | 0.55% | still open |
| April 27, 2016 | Och-Ziff Management Europe Ltd | 0.55% | still open |
| April 26, 2016 | BlackRock Institutional Trust Company, National Association | 0.66% | still open |
| April 25, 2016 | BlackRock Institutional Trust Company, National Association | 0.66% | still open |
| April 18, 2016 | BlackRock Institutional Trust Company, National Association | 0.52% | still open |