CUSIP: 966837106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2017 | 3,918,453 | $165,006 | — | — |
| Q1 2017 | 3,970,706 | $118,009 | — | — |
| Q4 2016 | 3,853,353 | $118,528 | — | — |
| Q3 2016 | 4,285,594 | $121,497 | — | — |
| Q2 2016 | 4,345,472 | $139,142 | — | — |
| Q1 2016 | 4,403,072 | $137,227 | — | — |
| Q4 2015 | 4,569,132 | $153,067 | — | — |
| Q3 2015 | 4,880,489 | $154,467 | — | — |
| Q2 2015 | 4,598,137 | $181,350 | — | — |
| Q1 2015 | 5,164,012 | $268,941 | — | — |
| Q4 2014 | 5,092,583 | $256,768 | — | — |
| Q3 2014 | 5,081,571 | $193,659 | — | — |
| Q2 2014 | 5,110,138 | $197,405 | — | — |
| Q1 2014 | 6,003,706 | $304,449 | — | — |
| Q4 2013 | 5,613,082 | $324,604 | — | — |
| Q3 2013 | 5,687,185 | $332,700 | — | — |
| Q2 2013 | 5,675,247 | $292,161 | — | — |