| July 10, 2019 | AHL Partners LLP | 2.06% | still open |
| July 9, 2019 | AHL Partners LLP | 2.11% | still open |
| July 5, 2019 | Asia Research & Capital Management LTD | 16.85% | still open |
| July 4, 2019 | Asia Research & Capital Management LTD | 16.76% | still open |
| July 3, 2019 | Asia Research & Capital Management LTD | 16.64% | still open |
| July 3, 2019 | AHL Partners LLP | 2.00% | still open |
| July 1, 2019 | Asia Research & Capital Management LTD | 16.42% | still open |
| June 28, 2019 | Asia Research & Capital Management LTD | 16.53% | still open |
| June 27, 2019 | Asia Research & Capital Management LTD | 16.41% | still open |
| June 27, 2019 | Whitebox Advisors LLC | 0.87% | still open |
| June 26, 2019 | Asia Research & Capital Management LTD | 16.29% | still open |
| June 26, 2019 | AHL Partners LLP | 1.98% | still open |
| June 25, 2019 | Asia Research & Capital Management LTD | 16.16% | still open |
| June 25, 2019 | AHL Partners LLP | 2.01% | still open |
| June 25, 2019 | Connor, Clark & Lunn Investment Management LTD | 1.01% | still open |
| June 24, 2019 | Asia Research & Capital Management LTD | 16.03% | still open |
| June 21, 2019 | Asia Research & Capital Management LTD | 15.90% | still open |
| June 20, 2019 | Asia Research & Capital Management LTD | 15.78% | still open |
| June 19, 2019 | Asia Research & Capital Management LTD | 15.65% | still open |
| June 18, 2019 | Asia Research & Capital Management LTD | 15.52% | still open |
| June 18, 2019 | AHL Partners LLP | 1.98% | still open |
| June 17, 2019 | Asia Research & Capital Management LTD | 15.17% | still open |
| June 14, 2019 | Asia Research & Capital Management LTD | 14.83% | still open |
| June 14, 2019 | Connor, Clark & Lunn Investment Management LTD | 0.90% | still open |
| June 13, 2019 | Asia Research & Capital Management LTD | 14.49% | still open |
| June 12, 2019 | Asia Research & Capital Management LTD | 14.29% | still open |
| June 12, 2019 | AHL Partners LLP | 1.81% | still open |
| June 11, 2019 | Asia Research & Capital Management LTD | 14.08% | still open |
| June 11, 2019 | AHL Partners LLP | 1.73% | still open |
| June 11, 2019 | Connor, Clark & Lunn Investment Management LTD | 0.82% | still open |
| June 10, 2019 | Asia Research & Capital Management LTD | 13.82% | still open |
| June 7, 2019 | Asia Research & Capital Management LTD | 13.68% | still open |
| June 6, 2019 | Asia Research & Capital Management LTD | 13.50% | still open |
| June 5, 2019 | Asia Research & Capital Management LTD | 13.32% | still open |
| June 5, 2019 | Connor, Clark & Lunn Investment Management LTD | 0.70% | still open |
| June 4, 2019 | Asia Research & Capital Management LTD | 12.97% | still open |
| June 3, 2019 | Asia Research & Capital Management LTD | 12.75% | still open |
| June 3, 2019 | AHL Partners LLP | 1.62% | still open |
| May 31, 2019 | Asia Research & Capital Management LTD | 12.49% | still open |
| May 30, 2019 | Asia Research & Capital Management LTD | 12.23% | still open |
| May 29, 2019 | Asia Research & Capital Management LTD | 12.18% | still open |
| May 28, 2019 | Asia Research & Capital Management LTD | 11.98% | still open |
| May 24, 2019 | AHL Partners LLP | 1.51% | still open |
| May 23, 2019 | Asia Research & Capital Management LTD | 11.82% | still open |
| May 21, 2019 | Asia Research & Capital Management LTD | 11.70% | still open |
| May 20, 2019 | Asia Research & Capital Management LTD | 11.65% | still open |
| May 17, 2019 | Asia Research & Capital Management LTD | 11.58% | still open |
| May 16, 2019 | Asia Research & Capital Management LTD | 11.48% | still open |
| May 16, 2019 | Whitebox Advisors LLC | 0.90% | still open |
| May 15, 2019 | Asia Research & Capital Management LTD | 11.30% | still open |