CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 18,200 | $715 | — | — |
| Q1 2015 | 18,200 | $809 | — | — |
| Q4 2014 | 18,200 | $919 | — | — |
| Q3 2014 | 18,200 | $742 | — | — |
| Q2 2014 | 18,200 | $639 | — | — |
| Q1 2014 | 25,100 | $901 | — | — |
| Q4 2013 | 25,100 | $1,015 | — | — |