CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 17,583 | $870 | — | — |
| Q4 2014 | 18,795 | $991 | — | — |
| Q3 2014 | 20,383 | $876 | — | — |
| Q2 2014 | 22,604 | $1,060 | — | — |
| Q1 2014 | 22,658 | $1,054 | — | — |
| Q4 2013 | 25,459 | $1,052 | — | — |
| Q3 2013 | 28,046 | $1,132 | — | — |
| Q2 2013 | 28,028 | $1,148 | — | — |