| 日期 | 主要股東
| 每股
平均價 | 類型 | 買/賣或涉及
股份數目 | 變動股數
佔已發行股(%) | 目前持股量 | 佔已
發行股(%) |
| 2020-08-25 | International Value Advisers, LLC | 2.316 | 1201 (L) | 546,000(L) | N/A | 46215000(L) | 4.97(L) |
| 2020-07-13 | International Value Advisers, LLC | 2.500 | 1201 (L) | 420,000(L) | N/A | 55763000(L) | 5.99(L) |
| 2020-06-09 | International Value Advisers, LLC | 2.305 | 1201 (L) | 340,000(L) | N/A | 64881000(L) | 6.97(L) |
| 2019-10-02 | Utilico Emerging Markets Trust Plc | 3.160 | 1201 (L) | 3,100,000(L) | N/A | 44855000(L) | 4.82(L) |
| 2019-09-17 | International Value Advisers, LLC | 2.910 | 1101 (L) | 450,000(L) | N/A | 65559000(L) | 7.04(L) |
| 2019-09-11 | International Value Advisers, LLC | 2.710 | 1201 (L) | 668,000(L) | N/A | 64531000(L) | 6.93(L) |
| 2019-05-24 | Utilico Emerging Markets Trust Plc | 2.857 | 1101 (L) | 1,872,000(L) | N/A | 47955000(L) | 5.15(L) |