CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 24,173 | $1,049 | — | — |
| Q4 2016 | 23,406 | $858 | — | — |
| Q3 2016 | 23,115 | $996 | — | — |
| Q2 2016 | 22,848 | $772 | — | — |
| Q1 2016 | 22,420 | $724 | — | — |