CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2016 | 28,235 | $1,092 | — | — |
| Q1 2016 | 26,892 | $990 | — | — |
| Q4 2015 | 57,105 | $1,899 | — | — |
| Q3 2015 | 20,970 | $606 | — | — |
| Q4 2014 | 270,840 | $13,680 | — | — |