CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 19,833 | $982 | — | — |
| Q4 2014 | 19,945 | $1,051,914 | — | — |
| Q3 2014 | 19,424 | $835,249 | — | — |
| Q2 2014 | 17,845 | $837,302 | — | — |
| Q1 2014 | 17,268 | $803,823 | — | — |
| Q4 2013 | 17,365 | $717,851 | — | — |
| Q3 2013 | 17,553 | $708,778 | — | — |
| Q2 2013 | 11,362 | $465,717 | — | — |