| October 14, 2020 | Blackrock Institutional Trust Company, National Association | 0.00% | still open |
| October 5, 2020 | Blackrock Institutional Trust Company, National Association | 0.50% | still open |
| September 29, 2020 | Blackrock Institutional Trust Company, National Association | 0.00% | still open |
| August 7, 2020 | Blackrock Institutional Trust Company, National Association | 0.50% | still open |
| October 14, 2019 | Blackrock Institutional Trust Company, National Association | 0.00% | still open |
| July 24, 2019 | Blackrock Institutional Trust Company, National Association | 0.51% | still open |
| May 30, 2018 | Millennium International Management LP | 0.00% | still open |
| May 29, 2018 | Millennium International Management LP | 0.77% | still open |
| May 25, 2018 | Millennium International Management LP | 0.62% | still open |
| May 24, 2018 | Millennium International Management LP | 0.52% | still open |
| March 22, 2017 | FIL Investments International | 0.00% | still open |
| March 21, 2017 | FIL Investments International | 0.57% | still open |
| January 30, 2017 | FIL Investments International | 0.69% | still open |
| September 22, 2016 | FIL Investments International | 0.72% | still open |
| June 30, 2016 | Charlemagne Capital (IOM) Limited | 0.00% | still open |
| June 28, 2016 | Charlemagne Capital (IOM) Limited | 0.55% | still open |
| June 24, 2016 | Blackrock Investment Management (UK) Limited | 0.00% | still open |
| May 27, 2016 | FIL Investments International | 0.60% | still open |
| May 20, 2016 | FIL Investments International | 0.58% | still open |
| May 20, 2016 | FIL Fund Management Limited | 0.00% | still open |
| April 28, 2016 | FIL Fund Management Limited | 0.51% | still open |
| February 8, 2016 | Charlemagne Capital (IOM) Limited | 0.62% | still open |
| February 5, 2016 | Charlemagne Capital (IOM) Limited | 0.50% | still open |
| December 10, 2015 | Blackrock Investment Management (UK) Limited | 0.57% | still open |
| January 29, 2014 | Charlemagne Capital (IOM) Limited | 0.00% | still open |
| September 24, 2013 | Charlemagne Capital (IOM) Limited | 0.57% | still open |
| July 22, 2013 | Charlemagne Capital (IOM) Limited | 0.61% | still open |
| July 17, 2013 | Charlemagne Capital (IOM) Limited | 0.51% | still open |