CUSIP: 989774104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2015 | 24,207 | $421 | — | — |
| Q4 2014 | 10,199 | $239 | — | — |
| Q3 2014 | 35,998 | $1,364 | — | — |
| Q2 2014 | 24,175 | $990 | — | — |
| Q1 2014 | 30,206 | $1,516 | — | — |