| November 25, 2019 | Capital Fund Management SA | 0.79% | still open |
| November 14, 2019 | Capital Fund Management SA | 0.89% | still open |
| November 13, 2019 | Capital Fund Management SA | 0.89% | still open |
| November 12, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.28% | November 12, 2019 |
| October 16, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.39% | still open |
| October 15, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.39% | still open |
| October 8, 2019 | Capital Fund Management SA | 0.90% | still open |
| October 7, 2019 | Capital Fund Management SA | 0.90% | still open |
| September 18, 2019 | Capital Fund Management SA | 0.80% | still open |
| September 17, 2019 | Capital Fund Management SA | 0.80% | still open |
| September 9, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.49% | still open |
| September 5, 2019 | Capital Fund Management SA | 0.70% | still open |
| September 4, 2019 | Capital Fund Management SA | 0.70% | still open |
| August 27, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.58% | still open |
| August 26, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.58% | still open |
| August 21, 2019 | Capital Fund Management SA | 0.60% | still open |
| August 20, 2019 | Capital Fund Management SA | 0.60% | still open |
| August 20, 2019 | Wellington Management Company, LLP | 0.00% | still open |
| August 9, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.60% | still open |
| August 8, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.60% | still open |
| August 6, 2019 | Capital Fund Management SA | 0.50% | still open |
| August 5, 2019 | Capital Fund Management SA | 0.50% | still open |
| July 19, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.50% | still open |
| July 18, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.50% | still open |
| June 12, 2019 | Wellington Management Company, LLP | 0.50% | still open |
| June 11, 2019 | Wellington Management Company, LLP | 0.50% | still open |
| May 31, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.40% | still open |
| May 30, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.40% | still open |
| May 14, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.30% | still open |
| May 13, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.30% | still open |
| May 3, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.28% | still open |
| May 3, 2019 | Marshall Wace LLP | 0.00% | still open |
| May 2, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.28% | still open |
| April 26, 2019 | Marshall Wace LLP | 0.58% | still open |
| April 25, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.30% | still open |
| April 25, 2019 | Marshall Wace LLP | 0.58% | still open |
| April 24, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.30% | still open |
| April 23, 2019 | Marshall Wace LLP | 0.68% | still open |
| April 22, 2019 | Marshall Wace LLP | 0.68% | still open |
| April 17, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.23% | still open |
| April 16, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.23% | still open |
| April 16, 2019 | Marshall Wace LLP | 0.77% | still open |
| April 15, 2019 | Marshall Wace LLP | 0.77% | still open |
| April 11, 2019 | PDT Partners, LLC | 0.00% | still open |
| April 8, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.10% | still open |
| April 7, 2019 | Connor, Clark & Lunn Investment Management LTD. | 1.10% | still open |
| April 5, 2019 | Marshall Wace LLP | 0.80% | still open |
| April 4, 2019 | Marshall Wace LLP | 0.80% | still open |
| April 2, 2019 | PDT Partners, LLC | 0.59% | still open |
| April 1, 2019 | PDT Partners, LLC | 0.59% | still open |