CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2015 | 20,810 | $692 | — | — |
| Q3 2015 | 33,710 | $975 | — | — |
| Q2 2015 | 34,045 | $1,338 | — | — |
| Q1 2015 | 23,295 | $1,035 | — | — |
| Q4 2014 | 23,295 | $1,177 | — | — |
| Q3 2014 | 22,455 | $915 | — | — |