CUSIP: 989774104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 10,040 | $130 | — | — |
| Q4 2014 | 10,190 | $238 | — | — |
| Q3 2014 | 9,740 | $369 | — | — |
| Q2 2014 | 9,580 | $392 | — | — |
| Q1 2014 | 9,430 | $473 | — | — |
| Q4 2013 | 9,400 | $389 | — | — |