CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 20,955 | $1,037 | — | — |
| Q4 2014 | 20,462 | $1,079 | — | — |
| Q3 2014 | 18,033 | $775 | — | — |
| Q1 2014 | 16,098 | $749 | — | — |
| Q4 2013 | 36,136 | $1,494 | — | — |
| Q3 2013 | 10,542 | $426 | — | — |