CUSIP: 98872B104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 11,398 | $59,156 | — | — |
| Q4 2014 | 11,398 | $57,446 | — | — |
| Q3 2014 | 11,849 | $59,245 | — | — |
| Q2 2014 | 11,858 | $69,962 | — | — |
| Q1 2014 | 3,595 | $26,279 | — | — |
| Q4 2013 | 3,509 | $26,142 | — | — |