CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 1,898,088 | $93,820 | — | — |
| Q4 2014 | 1,864,845 | $98,235 | — | — |
| Q3 2014 | 1,796,240 | $77,147 | — | — |
| Q2 2014 | 1,680,506 | $78,803 | — | — |
| Q1 2014 | 1,692,991 | $78,776 | — | — |
| Q4 2013 | 1,684,194 | $69,601 | — | — |
| Q3 2013 | 1,622,867 | $65,516 | — | — |
| Q2 2013 | 1,563,733 | $64,084 | — | — |