| March 24, 2020 | Henderson Global Investors | 2.38% | still open |
| March 2, 2020 | Henderson Global Investors | 2.52% | still open |
| February 7, 2020 | Millennium International Management LP | 0.47% | still open |
| February 6, 2020 | Millennium International Management LP | 0.50% | still open |
| February 5, 2020 | Millennium International Management LP | 0.60% | still open |
| February 3, 2020 | Millennium International Management LP | 0.96% | still open |
| January 30, 2020 | Millennium International Management LP | 1.06% | still open |
| January 29, 2020 | Henderson Global Investors | 2.71% | still open |
| January 29, 2020 | Millennium International Management LP | 1.12% | still open |
| January 28, 2020 | Henderson Global Investors | 2.63% | still open |
| January 22, 2020 | Millennium International Management LP | 1.29% | still open |
| January 21, 2020 | Millennium International Management LP | 1.40% | still open |
| January 2, 2020 | Millennium International Management LP | 1.30% | still open |
| December 31, 2019 | Henderson Global Investors | 2.83% | still open |
| December 16, 2019 | Millennium International Management LP | 1.26% | still open |
| December 3, 2019 | Millennium International Management LP | 1.32% | still open |
| November 26, 2019 | Henderson Global Investors | 2.74% | still open |
| November 25, 2019 | Millennium International Management LP | 1.29% | still open |
| November 20, 2019 | Henderson Global Investors | 2.68% | still open |
| November 15, 2019 | Henderson Global Investors | 2.70% | still open |
| November 11, 2019 | Henderson Global Investors | 2.89% | still open |
| November 7, 2019 | Millennium International Management LP | 1.30% | still open |
| November 6, 2019 | Henderson Global Investors | 2.93% | still open |
| October 31, 2019 | Henderson Global Investors | 3.08% | still open |
| October 31, 2019 | Millennium International Management LP | 1.25% | still open |
| October 21, 2019 | Millennium International Management LP | 1.19% | still open |
| October 15, 2019 | Henderson Global Investors | 3.76% | still open |
| October 14, 2019 | Millennium International Management LP | 1.21% | still open |
| October 10, 2019 | Millennium International Management LP | 1.19% | still open |
| October 2, 2019 | Millennium International Management LP | 1.20% | still open |
| September 24, 2019 | Millennium International Management LP | 1.13% | still open |
| September 20, 2019 | Millennium International Management LP | 1.03% | still open |
| September 18, 2019 | Millennium International Management LP | 1.71% | still open |
| September 17, 2019 | Millennium International Management LP | 1.63% | still open |
| September 16, 2019 | Millennium International Management LP | 1.57% | still open |
| September 12, 2019 | Millennium International Management LP | 1.43% | still open |
| September 11, 2019 | Millennium International Management LP | 1.37% | still open |
| September 10, 2019 | Millennium International Management LP | 1.28% | still open |
| September 4, 2019 | Millennium International Management LP | 1.11% | still open |
| August 16, 2019 | Millennium International Management LP | 1.06% | still open |
| August 8, 2019 | Millennium International Management LP | 1.19% | still open |
| July 30, 2019 | Canada Pension Plan Investment Board | 0.49% | still open |
| July 26, 2019 | Millennium International Management LP | 1.29% | still open |
| July 25, 2019 | SFM UK Management LLP | 0.23% | still open |
| July 22, 2019 | Millennium International Management LP | 1.30% | still open |
| July 19, 2019 | Millennium International Management LP | 1.29% | still open |
| July 16, 2019 | Canada Pension Plan Investment Board | 0.57% | still open |
| July 12, 2019 | Canada Pension Plan Investment Board | 0.66% | still open |
| June 12, 2019 | Millennium International Management LP | 1.33% | still open |
| June 10, 2019 | Canada Pension Plan Investment Board | 0.79% | still open |