CUSIP: 966837106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2017 | 4,475,482 | $188,463 | — | — |
| Q1 2017 | 4,502,924 | $133,827 | — | — |
| Q4 2016 | 5,380,723 | $165,510 | — | — |
| Q3 2016 | 4,433,819 | $120,055 | — | — |
| Q2 2016 | 4,991,373 | $159,824 | — | — |
| Q1 2016 | 5,024,480 | $156,311 | — | — |
| Q4 2015 | 4,930,815 | $165,182 | — | — |
| Q3 2015 | 4,690,357 | $148,450 | — | — |
| Q2 2015 | 3,361,770 | $132,589 | — | — |
| Q1 2015 | 3,096,511 | $161,266 | — | — |
| Q4 2014 | 3,020,197 | $152,278 | — | — |
| Q3 2014 | 2,941,368 | $112,095 | — | — |
| Q2 2014 | 2,555,828 | $98,731 | — | — |
| Q1 2014 | 2,494,766 | $126,510 | — | — |
| Q4 2013 | 2,494,766 | $144,273 | — | — |
| Q3 2013 | 2,920,544 | $170,852 | — | — |
| Q2 2013 | 3,684,887 | $189,698 | — | — |
| Q1 2013 | 2,623,946 | $227,628 | — | — |
| Q3 2012 | 1,917,345 | $185,798 | — | — |
| Q2 2012 | 985,293 | $90,430 | — | — |