CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 11,278 | $507 | — | — |
| Q1 2015 | 752,827 | $37,264 | — | — |
| Q4 2014 | 1,474,908 | $77,786 | — | — |
| Q3 2014 | 1,446,232 | $62,187 | — | — |
| Q2 2014 | 1,374,393 | $64,487 | — | — |
| Q1 2014 | 1,304,998 | $60,747 | — | — |
| Q4 2013 | 1,358,921 | $56,178 | — | — |
| Q3 2013 | 1,494,674 | $60,355 | — | — |
| Q2 2013 | 1,780,327 | $72,976 | — | — |