CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 26,810 | $1,327 | — | — |
| Q4 2014 | 27,310 | $1,440 | — | — |
| Q3 2014 | 30,110 | $1,295 | — | — |
| Q2 2014 | 29,610 | $1,389 | — | — |
| Q1 2014 | 29,610 | $1,378 | — | — |