CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2014 | 1,014,331 | $35,633 | — | — |
| Q1 2014 | 1,503,182 | $53,964 | — | — |
| Q4 2013 | 1,755,028 | $70,973 | — | — |
| Q3 2013 | 1,526,607 | $50,622 | — | — |
| Q2 2013 | 1,276,803 | $32,061 | — | — |