CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 16,300 | $807 | — | — |
| Q4 2014 | 17,000 | $897 | — | — |
| Q3 2014 | 17,300 | $744 | — | — |
| Q2 2014 | 17,700 | $830 | — | — |
| Q1 2014 | 17,900 | $833 | — | — |
| Q4 2013 | 18,200 | $752 | — | — |