| March 5, 2020 | Ardevora Asset Management LLP | 0.48% | still open |
| January 22, 2020 | Ardevora Asset Management LLP | 0.62% | still open |
| December 6, 2019 | Blackrock Institutional Trust Company, National Association | 0.49% | still open |
| November 28, 2019 | Blackrock Institutional Trust Company, National Association | 0.55% | still open |
| November 21, 2019 | Blackrock Institutional Trust Company, National Association | 0.69% | still open |
| September 20, 2019 | Blackrock Institutional Trust Company, National Association | 0.79% | still open |
| September 11, 2019 | Ardevora Asset Management LLP | 0.55% | still open |
| September 5, 2019 | Ardevora Asset Management LLP | 0.60% | still open |
| August 30, 2019 | Ardevora Asset Management LLP | 0.54% | still open |
| July 22, 2019 | Blackrock Institutional Trust Company, National Association | 0.81% | still open |
| July 18, 2019 | Blackrock Institutional Trust Company, National Association | 0.75% | still open |
| July 8, 2019 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| July 1, 2019 | Blackrock Institutional Trust Company, National Association | 0.50% | still open |
| June 21, 2019 | Millennium International Management LP | 0.00% | still open |
| June 18, 2019 | Millennium International Management LP | 0.51% | still open |
| April 9, 2019 | Blackrock Investment Management (UK) Limited | 0.41% | still open |
| April 8, 2019 | GLG Partners LP | 0.49% | still open |
| April 5, 2019 | GLG Partners LP | 0.58% | still open |
| April 4, 2019 | Blackrock Investment Management (UK) Limited | 0.71% | still open |
| April 4, 2019 | GLG Partners LP | 0.67% | still open |
| April 3, 2019 | GLG Partners LP | 0.90% | still open |
| March 29, 2019 | Blackrock Investment Management (UK) Limited | 0.81% | still open |
| March 29, 2019 | GLG Partners LP | 0.81% | still open |
| March 28, 2019 | Blackrock Investment Management (UK) Limited | 0.72% | still open |
| March 26, 2019 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| March 13, 2019 | GLG Partners LP | 0.71% | still open |
| March 7, 2019 | GLG Partners LP | 0.60% | still open |
| February 21, 2019 | GLG Partners LP | 0.56% | still open |
| January 16, 2019 | Blackrock Institutional Trust Company, National Association | 0.48% | still open |
| December 11, 2018 | Blackrock Institutional Trust Company, National Association | 0.51% | still open |
| October 30, 2018 | Blackrock Institutional Trust Company, National Association | 0.48% | still open |
| October 25, 2018 | Blackrock Institutional Trust Company, National Association | 0.51% | still open |
| October 2, 2018 | Blackrock Institutional Trust Company, National Association | 0.20% | still open |
| July 13, 2018 | Blackrock Institutional Trust Company, National Association | 0.48% | still open |
| June 26, 2018 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| June 8, 2018 | Blackrock Institutional Trust Company, National Association | 0.69% | still open |
| May 15, 2018 | Blackrock Institutional Trust Company, National Association | 0.79% | still open |
| April 26, 2018 | Blackrock Institutional Trust Company, National Association | 0.81% | still open |
| April 19, 2018 | Blackrock Institutional Trust Company, National Association | 0.74% | still open |
| April 3, 2018 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| March 29, 2018 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| November 16, 2017 | GLG Partners LP | 0.39% | still open |
| October 31, 2017 | GLG Partners LP | 0.50% | still open |
| October 13, 2017 | GLG Partners LP | 0.45% | still open |
| October 5, 2017 | GLG Partners LP | 0.52% | still open |
| August 7, 2017 | GLG Partners LP | 0.49% | still open |
| July 13, 2017 | GLG Partners LP | 0.50% | still open |
| February 27, 2015 | GLG Partners LP | 0.42% | still open |
| October 29, 2014 | GLG Partners LP | 0.59% | still open |
| October 24, 2014 | GLG Partners LP | 0.60% | still open |