CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 275,800 | $12,403 | — | — |
| Q1 2015 | 287,200 | $14,216 | — | — |
| Q4 2014 | 381,200 | $20,104 | — | — |
| Q3 2014 | 460,100 | $19,784 | — | — |
| Q2 2014 | 584,900 | $27,444 | — | — |
| Q1 2014 | 165,600 | $7,709 | — | — |
| Q4 2013 | 185,700 | $7,677 | — | — |
| Q3 2013 | 192,100 | $7,757 | — | — |
| Q2 2013 | 192,100 | $7,874 | — | — |