CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 29,129 | $1,352 | — | — |
| Q4 2016 | 27,855 | $1,077 | — | — |
| Q3 2016 | 28,351 | $1,222 | — | — |
| Q2 2016 | 29,362 | $1,103 | — | — |
| Q1 2016 | 29,078 | $1,071 | — | — |
| Q4 2015 | 28,211 | $938 | — | — |