SailingStone Capital Partners LLC
| Bought at price 5.13 per share. | Direct | 2 822 050 | 07 déc. 2016 | 550 000 |
SailingStone Capital Partners LLC
| Sold at price 4.87 per share. | Direct | 290 068 | 02 déc. 2016 | 59 550 |
SailingStone Capital Partners LLC
| Bought at price 4.68 per share. | Direct | 212 811 | 01 déc. 2016 | 45 492 |
SailingStone Capital Partners LLC
| Sold at price 4.74 per share. | Direct | 1 297 027 | 01 déc. 2016 | 273 750 |
SailingStone Capital Partners LLC
| Sold at price 4.40 per share. | Direct | 112 566 | 21 nov. 2016 | 25 560 |
SailingStone Capital Partners LLC
| Sold at price 4.67 per share. | Direct | 1 187 175 | 16 nov. 2016 | 254 050 |
SailingStone Capital Partners LLC
| Bought at price 4.33 per share. | Direct | 199 103 | 02 nov. 2016 | 45 940 |
SailingStone Capital Partners LLC
| Sold at price 4.38 per share. | Direct | 1 852 080 | 26 oct. 2016 | 422 560 |
SailingStone Capital Partners LLC
| Bought at price 4.18 per share. | Direct | 279 675 | 17 oct. 2016 | 66 940 |
SailingStone Capital Partners LLC
| Sold at price 4.86 per share. | Direct | 2 435 540 | 23 sept. 2016 | 501 140 |
SailingStone Capital Partners LLC
| Bought at price 4.82 per share. | Direct | 153 966 | 02 sept. 2016 | 31 930 |
SailingStone Capital Partners LLC
| Sold at price 4.78 per share. | Direct | 220 984 | 02 sept. 2016 | 46 260 |
SailingStone Capital Partners LLC
| Bought at price 4.82 per share. | Direct | 1 353 617 | 01 sept. 2016 | 280 950 |
SailingStone Capital Partners LLC
| Sold at price 4.94 per share. | Direct | 33 005 | 29 août 2016 | 6 680 |
SailingStone Capital Partners LLC
| Sold at price 5.73 per share. | Direct | 212 663 | 19 août 2016 | 37 140 |
SailingStone Capital Partners LLC
| Sold at price 5.33 per share. | Direct | 3 973 147 | 11 août 2016 | 746 131 |
SailingStone Capital Partners LLC
| Sold at price 5.31 per share. | Direct | 10 413 581 | 10 août 2016 | 1 962 235 |
SailingStone Capital Partners LLC
| Sold at price 5.30 per share. | Direct | 3 521 459 | 09 août 2016 | 664 301 |
SailingStone Capital Partners LLC
| Sold at price 5.32 per share. | Direct | 2 259 725 | 08 août 2016 | 425 000 |
SailingStone Capital Partners LLC
| Sold at price 5.30 per share. | Direct | 2 540 575 | 02 août 2016 | 479 716 |
SailingStone Capital Partners LLC
| Sold at price 5.41 per share. | Direct | 632 793 | 01 août 2016 | 116 989 |
SailingStone Capital Partners LLC
| Sold at price 5.29 per share. | Direct | 1 667 609 | 29 juil. 2016 | 315 000 |
SailingStone Capital Partners LLC
| Sold at price 3.72 per share. | Direct | 342 463 | 10 déc. 2015 | 92 060 |
Macquarie Investment Management Global Ltd.
| Increase at price 3.97 per share. | Direct | 2 739 039 | 07 déc. 2015 | 689 240 |
Macquarie Investment Management Global Ltd.
| Increase at price 3.90 per share. | Direct | 976 163 | 04 déc. 2015 | 250 042 |
Schroders Plc
| Bought at price 3.94 per share. | Direct | 212 534 | 04 déc. 2015 | 53 929 |
Dimensional Fund Advisors, L.P.
| | Direct | | 04 déc. 2015 | 11 592 |
Goldman Sachs Financial Markets Pty, Ltd.
| Bought at price 3.98 per share. | Direct | 14 035 | 04 déc. 2015 | 3 522 |
Goldman Sachs Financial Markets Pty, Ltd.
| Sold at price 3.94 per share. | Direct | 16 177 | 04 déc. 2015 | 4 105 |
Goldman Sachs & Company, Inc.
| | Direct | | 04 déc. 2015 | 0 |
Macquarie Investment Management Global Ltd.
| Increase at price 4.09 per share. | Direct | 301 747 | 03 déc. 2015 | 73 831 |
Vanguard Group Inc.
| Bought at price 4.21 per share. | Direct | 4 455 | 03 déc. 2015 | 1 058 |
SailingStone Capital Partners LLC
| Sold at price 4.14 per share. | Direct | 2 140 370 | 03 déc. 2015 | 516 374 |
Goldman Sachs Financial Markets Pty, Ltd.
| Sold at price 4.12 per share. | Direct | 26 036 | 03 déc. 2015 | 6 315 |
State Street Global Advisors
| Sold at price 4.12 per share. | Direct | 26 198 | 03 déc. 2015 | 6 365 |
MFS Investment Management
| Bought at price 4.14 per share. | Direct | 7 025 | 03 déc. 2015 | 1 695 |
Vanguard Group Inc.
| Bought at price 4.26 per share. | Direct | 21 939 | 02 déc. 2015 | 5 150 |
Goldman Sachs & Company, Inc.
| | Direct | | 02 déc. 2015 | 0 |
Macquarie Investment Management Global Ltd.
| Increase at price 4.24 per share. | Direct | 29 860 | 02 déc. 2015 | 7 046 |
State Street Global Advisors
| Sold at price 4.24 per share. | Direct | 4 437 | 02 déc. 2015 | 1 047 |
SailingStone Capital Partners LLC
| Bought at price 4.23 per share. | Direct | 68 753 | 02 déc. 2015 | 16 250 |
SailingStone Capital Partners LLC
| Sold at price 4.23 per share. | Direct | 120 245 | 02 déc. 2015 | 28 420 |
Goldman Sachs Financial Markets Pty, Ltd.
| Bought at price 4.22 per share. | Direct | 19 362 | 02 déc. 2015 | 4 585 |
Goldman Sachs Financial Markets Pty, Ltd.
| Sold at price 4.25 per share. | Direct | 51 240 | 01 déc. 2015 | 12 068 |
Goldman Sachs & Company, Inc.
| Bought at price 4.24 per share. | Direct | 231 228 | 01 déc. 2015 | 54 548 |
Goldman Sachs & Company, Inc.
| Sold at price 4.24 per share. | Direct | 231 228 | 01 déc. 2015 | 54 548 |
MFS Investment Management
| Bought at price 4.25 per share. | Direct | 174 737 | 01 déc. 2015 | 41 076 |
Vanguard Group Inc.
| Bought at price 4.21 per share. | Direct | 41 434 | 01 déc. 2015 | 9 842 |
SailingStone Capital Partners LLC
| Bought at price 4.25 per share. | Direct | 1 620 518 | 01 déc. 2015 | 380 940 |
Macquarie Investment Management Global Ltd.
| Increase at price 4.25 per share. | Direct | 60 458 | 01 déc. 2015 | 14 239 |
State Street Global Advisors
| Sold at price 4.25 per share. | Direct | 10 474 | 01 déc. 2015 | 2 467 |
State Street Global Advisors
| Increase at price 4.16 per share. | Direct | 39 909 | 30 nov. 2015 | 9 589 |
MFS Investment Management
| Bought at price 4.16 per share. | Direct | 42 580 | 30 nov. 2015 | 10 248 |
M&G Investment Management, Ltd.
| Bought at price 4.16 per share. | Direct | 808 801 | 30 nov. 2015 | 194 330 |
Macquarie Investment Management Global Ltd.
| Increase at price 4.16 per share. | Direct | 807 353 | 30 nov. 2015 | 194 309 |
Vanguard Group Inc.
| Bought at price 4.15 per share. | Direct | 655 591 | 30 nov. 2015 | 158 050 |
Vanguard Group Inc.
| Sold at price 4.16 per share. | Direct | 48 576 | 30 nov. 2015 | 11 691 |
Nesna LLP
| Sold at price 4.16 per share. | Direct | 5 584 | 30 nov. 2015 | 1 344 |
Norges Bank Investment Management (NBIM)
| Bought at price 4.16 per share. | Direct | 329 255 | 30 nov. 2015 | 79 110 |
Norges Bank Investment Management (NBIM)
| Bought at price 4.35 per share. | Direct | 344 207 | 27 nov. 2015 | 79 110 |
Schroders Plc
| Bought at price 4.35 per share. | Direct | 752 344 | 27 nov. 2015 | 172 913 |
Vanguard Group Inc.
| Bought at price 4.32 per share. | Direct | 76 302 | 27 nov. 2015 | 17 683 |
Macquarie Investment Management Global Ltd.
| Decrease at price 4.38 per share. | Direct | 143 344 | 27 nov. 2015 | 32 727 |
Macquarie Investment Management Global Ltd.
| Decrease at price 4.37 per share. | Direct | 198 500 | 26 nov. 2015 | 45 413 |
MFS Investment Management
| Bought at price 4.36 per share. | Direct | 3 115 | 26 nov. 2015 | 714 |
Goldman Sachs Financial Markets Pty, Ltd.
| Bought at price 4.36 per share. | Direct | 108 900 | 26 nov. 2015 | 25 000 |
Norges Bank Investment Management (NBIM)
| Bought at price 4.36 per share. | Direct | 339 454 | 26 nov. 2015 | 77 928 |
SailingStone Capital Partners LLC
| Bought at price 4.36 per share. | Direct | 405 191 | 26 nov. 2015 | 92 870 |
SailingStone Capital Partners LLC
| Sold at price 4.36 per share. | Direct | 2 247 950 | 25 nov. 2015 | 515 940 |
Nesna LLP
| Sold at price 4.34 per share. | Direct | 9 717 | 25 nov. 2015 | 2 238 |
Macquarie Investment Management Global Ltd.
| Decrease at price 4.34 per share. | Direct | 886 753 | 25 nov. 2015 | 204 227 |
Goldman Sachs & Company, Inc.
| Bought at price 4.35 per share. | Direct | 3 914 | 25 nov. 2015 | 900 |
Goldman Sachs & Company, Inc.
| Sold at price 4.35 per share. | Direct | 3 914 | 25 nov. 2015 | 900 |
Goldman Sachs & Company, Inc.
| Bought at price 4.17 per share. | Direct | 12 620 | 25 nov. 2015 | 3 028 |
Goldman Sachs & Company, Inc.
| Sold at price 4.17 per share. | Direct | 12 620 | 25 nov. 2015 | 3 028 |
Goldman Sachs Financial Markets Pty, Ltd.
| | Direct | | 25 nov. 2015 | 61 497 |
Vanguard Group Inc.
| Bought at price 4.34 per share. | Direct | 7 381 | 25 nov. 2015 | 1 700 |
Vanguard Group Inc.
| Bought at price 4.32 per share. | Direct | 11 023 | 24 nov. 2015 | 2 550 |
Macquarie Investment Management Global Ltd.
| Decrease at price 4.34 per share. | Direct | 225 622 | 24 nov. 2015 | 51 927 |
State Street Global Advisors
| Bought at price 4.32 per share. | Direct | 78 860 | 24 nov. 2015 | 18 242 |
SailingStone Capital Partners LLC
| Sold at price 4.42 per share. | Direct | 2 279 934 | 24 nov. 2015 | 515 356 |
Goldman Sachs & Company, Inc.
| Bought at price 4.32 per share. | Direct | 3 838 | 24 nov. 2015 | 888 |
Goldman Sachs & Company, Inc.
| Sold at price 4.32 per share. | Direct | 3 838 | 24 nov. 2015 | 888 |
MFS Investment Management
| Sold at price 4.51 per share. | Direct | 1 718 | 24 nov. 2015 | 381 |
MFS Investment Management
| Bought at price 4.61 per share. | Direct | 214 240 | 23 nov. 2015 | 46 463 |
MFS Investment Management
| Sold at price 4.54 per share. | Direct | 4 053 | 23 nov. 2015 | 893 |
State Street Global Advisors
| Bought at price 4.60 per share. | Direct | 81 882 | 23 nov. 2015 | 17 785 |
Macquarie Investment Management Global Ltd.
| | Direct | | 23 nov. 2015 | 0 |
Goldman Sachs Financial Markets Pty, Ltd.
| Increase at price 4.60 per share. | Direct | 193 822 | 23 nov. 2015 | 42 172 |
M&G Investment Management, Ltd.
| Sold at price 4.60 per share. | Direct | 588 971 | 23 nov. 2015 | 127 926 |
SailingStone Capital Partners LLC
| Bought at price 4.60 per share. | Direct | 729 181 | 23 nov. 2015 | 158 380 |
Schroders Plc
| Bought at price 4.60 per share. | Direct | 59 948 | 23 nov. 2015 | 13 021 |
State Street Global Advisors
| Bought at price 4.57 per share. | Direct | 41 220 | 20 nov. 2015 | 9 012 |
State Street Global Advisors
| Sold at price 4.57 per share. | Direct | 14 430 | 20 nov. 2015 | 3 155 |
MFS Investment Management
| Sold at price 4.57 per share. | Direct | 21 282 | 20 nov. 2015 | 4 660 |
M&G Investment Management, Ltd.
| Sold at price 4.58 per share. | Direct | 1 561 724 | 20 nov. 2015 | 340 839 |
Goldman Sachs Financial Markets Pty, Ltd.
| Bought at price 4.48 per share. | Direct | 333 804 | 20 nov. 2015 | 74 510 |
Goldman Sachs Financial Markets Pty, Ltd.
| | Direct | | 20 nov. 2015 | 19 152 |
Macquarie Investment Management Global Ltd.
| | Direct | | 20 nov. 2015 | 0 |
Macquarie Investment Management Global Ltd.
| Increase at price 4.40 per share. | Direct | 453 406 | 19 nov. 2015 | 103 000 |
State Street Global Advisors
| Bought at price 4.45 per share. | Direct | 47 930 | 19 nov. 2015 | 10 766 |
Vanguard Group Inc.
| Bought at price 4.38 per share. | Direct | 275 940 | 19 nov. 2015 | 63 000 |
Schroders Plc
| Bought at price 4.45 per share. | Direct | 29 432 | 19 nov. 2015 | 6 611 |
Schroders Plc
| Sold at price 4.45 per share. | Direct | 35 193 | 19 nov. 2015 | 7 905 |
Goldman Sachs & Company, Inc.
| Bought at price 4.36 per share. | Direct | 5 059 | 19 nov. 2015 | 1 161 |
Goldman Sachs & Company, Inc.
| Sold at price 4.36 per share. | Direct | 5 059 | 19 nov. 2015 | 1 161 |
Goldman Sachs & Company, Inc.
| | Direct | | 18 nov. 2015 | 0 |
Vanguard Group Inc.
| Bought at price 4.31 per share. | Direct | 269 527 | 18 nov. 2015 | 62 550 |
Macquarie Investment Management Global Ltd.
| Increase at price 4.25 per share. | Direct | 484 060 | 18 nov. 2015 | 113 843 |
State Street Global Advisors
| Bought at price 4.25 per share. | Direct | 39 237 | 18 nov. 2015 | 9 228 |
State Street Global Advisors
| Sold at price 4.25 per share. | Direct | 142 922 | 18 nov. 2015 | 33 613 |
Nesna LLP
| Bought at price 4.25 per share. | Direct | 27 399 | 18 nov. 2015 | 6 444 |
Goldman Sachs Financial Markets Pty, Ltd.
| Bought at price 4.25 per share. | Direct | 59 528 | 18 nov. 2015 | 14 000 |
Goldman Sachs Financial Markets Pty, Ltd.
| Sold at price 4.25 per share. | Direct | 369 315 | 18 nov. 2015 | 87 000 |
Goldman Sachs Financial Markets Pty, Ltd.
| Bought at price 4.33 per share. | Direct | 82 909 | 17 nov. 2015 | 19 152 |
Macquarie Investment Management Global Ltd.
| Increase at price 4.27 per share. | Direct | 974 243 | 17 nov. 2015 | 228 000 |
Goldman Sachs & Company, Inc.
| | Direct | | 17 nov. 2015 | 0 |
Dimensional Fund Advisors, L.P.
| Bought at price 4.26 per share. | Direct | 29 682 | 17 nov. 2015 | 6 971 |
State Street Global Advisors
| Bought at price 4.33 per share. | Direct | 10 346 | 17 nov. 2015 | 2 390 |
MFS Investment Management
| Sold at price 4.31 per share. | Direct | 4 454 | 17 nov. 2015 | 1 034 |
MFS Investment Management
| Sold at price 4.22 per share. | Direct | 2 216 | 16 nov. 2015 | 525 |
Goldman Sachs & Company, Inc.
| Bought at price 4.21 per share. | Direct | 848 829 | 16 nov. 2015 | 201 766 |
Goldman Sachs & Company, Inc.
| Sold at price 4.21 per share. | Direct | 848 829 | 16 nov. 2015 | 201 766 |
Macquarie Investment Management Global Ltd.
| Decrease at price 4.22 per share. | Direct | 2 471 792 | 16 nov. 2015 | 585 594 |
Vanguard Group Inc.
| Increase at price 4.22 per share. | Direct | 10 763 | 16 nov. 2015 | 2 550 |
State Street Global Advisors
| Decrease at price 4.21 per share. | Direct | 52 953 | 16 nov. 2015 | 12 566 |
State Street Global Advisors
| Bought at price 4.27 per share. | Direct | 158 523 | 13 nov. 2015 | 37 125 |
Macquarie Investment Management Global Ltd.
| Increase at price 4.27 per share. | Direct | 2 461 462 | 13 nov. 2015 | 576 455 |
MFS Investment Management
| Bought at price 4.20 per share. | Direct | 19 172 | 13 nov. 2015 | 4 566 |
MFS Investment Management
| Sold at price 4.24 per share. | Direct | 606 | 13 nov. 2015 | 143 |
Schroders Plc
| Increase at price 4.26 per share. | Direct | 1 129 537 | 13 nov. 2015 | 264 963 |
Macquarie Investment Management Global Ltd.
| Increase at price 4.35 per share. | Direct | 715 603 | 12 nov. 2015 | 164 658 |
State Street Global Advisors
| Bought at price 4.35 per share. | Direct | 1 703 | 12 nov. 2015 | 392 |
State Street Global Advisors
| Sold at price 4.35 per share. | Direct | 22 742 | 12 nov. 2015 | 5 233 |
Goldman Sachs & Company, Inc.
| Bought at price 4.35 per share. | Direct | 1 703 | 12 nov. 2015 | 392 |
Goldman Sachs & Company, Inc.
| Sold at price 4.35 per share. | Direct | 1 703 | 12 nov. 2015 | 392 |
MFS Investment Management
| Bought at price 4.29 per share. | Direct | 2 654 | 12 nov. 2015 | 619 |
MFS Investment Management
| Sold at price 4.31 per share. | Direct | 37 751 | 12 nov. 2015 | 8 757 |
Fidelity Management & Research
| Sold at price 4.33 per share. | Direct | 1 724 | 12 nov. 2015 | 398 |
Dimensional Fund Advisors, L.P.
| Bought at price 4.36 per share. | Direct | 47 458 | 11 nov. 2015 | 10 880 |
State Street Global Advisors
| Sold at price 4.36 per share. | Direct | 213 245 | 11 nov. 2015 | 48 887 |
M&G Investment Management, Ltd.
| Sold at price 4.47 per share. | Direct | 29 278 | 11 nov. 2015 | 6 553 |
Macquarie Investment Management Global Ltd.
| | Direct | | 11 nov. 2015 | 0 |
MFS Investment Management
| Sold at price 4.37 per share. | Direct | 16 925 | 11 nov. 2015 | 3 874 |
Goldman Sachs & Company, Inc.
| Bought at price 4.35 per share. | Direct | 61 293 | 11 nov. 2015 | 14 097 |
Goldman Sachs & Company, Inc.
| Sold at price 4.35 per share. | Direct | 61 293 | 11 nov. 2015 | 14 097 |
M&G Investment Management, Ltd.
| Sold at price 4.45 per share. | Direct | 38 145 | 10 nov. 2015 | 8 574 |
Dimensional Fund Advisors, L.P.
| Bought at price 4.34 per share. | Direct | 93 665 | 10 nov. 2015 | 21 562 |
Nesna LLP
| Sold at price 4.42 per share. | Direct | 35 155 | 10 nov. 2015 | 7 952 |
State Street Global Advisors
| Bought at price 4.42 per share. | Direct | 40 770 | 10 nov. 2015 | 9 222 |