CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 2,598,098 | $128,607 | — | — |
| Q4 2014 | 2,714,986 | $143,187 | — | — |
| Q3 2014 | 3,708,780 | $159,478 | — | — |
| Q2 2014 | 3,095,724 | $145,252 | — | — |
| Q1 2014 | 4,486,611 | $208,853 | — | — |
| Q4 2013 | 4,716,119 | $194,965 | — | — |
| Q3 2013 | 5,101,464 | $205,997 | — | — |
| Q2 2013 | 5,199,331 | $213,121 | — | — |