CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 15,048,322 | $676,728 | — | — |
| Q1 2015 | 11,548,344 | $571,651 | — | — |
| Q4 2014 | 12,262,360 | $646,707 | — | — |
| Q3 2014 | 11,600,858 | $498,851 | — | — |
| Q2 2014 | 12,124,422 | $568,880 | — | — |
| Q1 2014 | 11,305,992 | $526,300 | — | — |
| Q4 2013 | 11,432,273 | $472,618 | — | — |
| Q3 2013 | 11,649,156 | $470,391 | — | — |
| Q2 2013 | 11,662,110 | $478,028 | — | — |