CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 5,802 | $228 | — | — |
| Q1 2015 | 5,684 | $253 | — | — |
| Q4 2014 | 5,684 | $288 | — | — |
| Q2 2014 | 6,713 | $236 | — | — |
| Q1 2014 | 6,584 | $236 | — | — |
| Q4 2013 | 5,912 | $239 | — | — |