Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | FORM 6-K | tm214989d19_6k.htm | 6-K | 169794 |
| 2 | GRAPHIC | tm214989d19_6k-img056.jpg | GRAPHIC | 399189 |
| 3 | GRAPHIC | tm214989d19_6k-img057.jpg | GRAPHIC | 888825 |
| 4 | GRAPHIC | tm214989d19_6k-img058.jpg | GRAPHIC | 926629 |
| 5 | GRAPHIC | tm214989d19_6k-img059.jpg | GRAPHIC | 223338 |
| 6 | GRAPHIC | tm214989d19_6k-img060.jpg | GRAPHIC | 966046 |
| 7 | GRAPHIC | tm214989d19_6k-img061.jpg | GRAPHIC | 850164 |
| 8 | GRAPHIC | tm214989d19_6k-img062.jpg | GRAPHIC | 854153 |
| 9 | GRAPHIC | tm214989d19_6k-img063.jpg | GRAPHIC | 758511 |
| 10 | GRAPHIC | tm214989d19_6k-img064.jpg | GRAPHIC | 800487 |
| 11 | GRAPHIC | tm214989d19_6k-img065.jpg | GRAPHIC | 795942 |
| 12 | GRAPHIC | tm214989d19_6k-img066.jpg | GRAPHIC | 742300 |
| 13 | GRAPHIC | tm214989d19_6k-img067.jpg | GRAPHIC | 680970 |
| 14 | GRAPHIC | tm214989d19_6k-img068.jpg | GRAPHIC | 679067 |
| 15 | GRAPHIC | tm214989d19_6k-img069.jpg | GRAPHIC | 194928 |
| 16 | GRAPHIC | tm214989d19_6k-img070.jpg | GRAPHIC | 762898 |
| 17 | GRAPHIC | tm214989d19_6k-img071.jpg | GRAPHIC | 838127 |
| 18 | GRAPHIC | tm214989d19_6k-img072.jpg | GRAPHIC | 843863 |
| 19 | GRAPHIC | tm214989d19_6k-img073.jpg | GRAPHIC | 782744 |
| 20 | GRAPHIC | tm214989d19_6k-img074.jpg | GRAPHIC | 711938 |
| 21 | GRAPHIC | tm214989d19_6k-img075.jpg | GRAPHIC | 815620 |
| 22 | GRAPHIC | tm214989d19_6k-img076.jpg | GRAPHIC | 869156 |
| 23 | GRAPHIC | tm214989d19_6k-img077.jpg | GRAPHIC | 661525 |
| 24 | GRAPHIC | tm214989d19_6k-img078.jpg | GRAPHIC | 838357 |
| 25 | GRAPHIC | tm214989d19_6k-img079.jpg | GRAPHIC | 551013 |
| 26 | GRAPHIC | tm214989d19_6k-img080.jpg | GRAPHIC | 743987 |
| 27 | GRAPHIC | tm214989d19_6k-img081.jpg | GRAPHIC | 689480 |
| 28 | GRAPHIC | tm214989d19_6k-img082.jpg | GRAPHIC | 718622 |
| 29 | GRAPHIC | tm214989d19_6k-img083.jpg | GRAPHIC | 781649 |
| 30 | GRAPHIC | tm214989d19_6k-img084.jpg | GRAPHIC | 848352 |
| 31 | GRAPHIC | tm214989d19_6k-img085.jpg | GRAPHIC | 327945 |
| 32 | GRAPHIC | tm214989d19_6k-img086.jpg | GRAPHIC | 529814 |
| 33 | GRAPHIC | tm214989d19_6k-img087.jpg | GRAPHIC | 700966 |
| 34 | GRAPHIC | tm214989d19_6k-img088.jpg | GRAPHIC | 625038 |
| 35 | GRAPHIC | tm214989d19_6k-img089.jpg | GRAPHIC | 674572 |
| 36 | GRAPHIC | tm214989d19_6k-img090.jpg | GRAPHIC | 700497 |
| 37 | GRAPHIC | tm214989d19_6k-img091.jpg | GRAPHIC | 702290 |
| 38 | GRAPHIC | tm214989d19_6k-img092.jpg | GRAPHIC | 742828 |
| 39 | GRAPHIC | tm214989d19_6k-img093.jpg | GRAPHIC | 548051 |
| 40 | GRAPHIC | tm214989d19_6k-img094.jpg | GRAPHIC | 431133 |
| 41 | GRAPHIC | tm214989d19_6k-img095.jpg | GRAPHIC | 864607 |
| 42 | GRAPHIC | tm214989d19_6k-img096.jpg | GRAPHIC | 270639 |
| 43 | GRAPHIC | tm214989d19_6k-img097.jpg | GRAPHIC | 588152 |
| 44 | GRAPHIC | tm214989d19_6k-img098.jpg | GRAPHIC | 577212 |
| 45 | GRAPHIC | tm214989d19_6k-img099.jpg | GRAPHIC | 348658 |
| 46 | GRAPHIC | tm214989d19_6k-img100.jpg | GRAPHIC | 670410 |
| 47 | GRAPHIC | tm214989d19_6k-img101.jpg | GRAPHIC | 678462 |
| 48 | GRAPHIC | tm214989d19_6k-img102.jpg | GRAPHIC | 360296 |
| 49 | GRAPHIC | tm214989d19_6k-img103.jpg | GRAPHIC | 608367 |
| 50 | GRAPHIC | tm214989d19_6k-img104.jpg | GRAPHIC | 547343 |
| 51 | GRAPHIC | tm214989d19_6k-img105.jpg | GRAPHIC | 582821 |
| 52 | GRAPHIC | tm214989d19_6k-img106.jpg | GRAPHIC | 569349 |
| 53 | GRAPHIC | tm214989d19_6k-img107.jpg | GRAPHIC | 613377 |
| 54 | GRAPHIC | tm214989d19_6k-img108.jpg | GRAPHIC | 699874 |
| 55 | GRAPHIC | tm214989d19_6k-img109.jpg | GRAPHIC | 452517 |
| 56 | GRAPHIC | tm214989d19_6k-img110.jpg | GRAPHIC | 494207 |
| Complete submission text file | 0001104659-21-028787.txt | 49251627 |
EIN.: 000000000 | Fiscal Year End: 1231
Type: 6-K | Act: 34 | File No.: 001-15030 | Film No.: 21684922
SIC: 1000 Metal Mining