CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 5,222,055 | $258,492 | — | — |
| Q4 2014 | 5,282,463 | $278,597 | — | — |
| Q3 2014 | 5,202,942 | $223,726 | — | — |
| Q2 2014 | 4,790,613 | $224,772 | — | — |
| Q1 2014 | 4,904,144 | $228,286 | — | — |
| Q4 2013 | 4,776,686 | $197,468 | — | — |
| Q3 2013 | 4,928,165 | $199,001 | — | — |
| Q2 2013 | 4,989,813 | $204,533 | — | — |