CUSIP: 983772104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 30,352 | $487 | — | — |
| Q4 2015 | 59,531 | $956 | — | — |
| Q3 2015 | 60,551 | $856 | — | — |
| Q2 2015 | 49,159 | $804 | — | — |
| Q1 2015 | 52,551 | $929 | — | — |
| Q4 2014 | 52,551 | $957 | — | — |