CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 8,496 | $421 | — | — |
| Q4 2014 | 7,873 | $415 | — | — |
| Q3 2014 | 7,642 | $329 | — | — |
| Q2 2014 | 7,443 | $349 | — | — |
| Q1 2014 | 6,879 | $320 | — | — |
| Q4 2013 | 6,541 | $270 | — | — |