CUSIP: 989774104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 35,280 | $460 | — | — |
| Q1 2015 | 37,433 | $486 | — | — |
| Q4 2014 | 38,595 | $903 | — | — |
| Q3 2014 | 24,884 | $943 | — | — |
| Q2 2014 | 14,332 | $587 | — | — |
| Q1 2014 | 12,269 | $616 | — | — |