CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 18,810 | $932 | — | — |
| Q4 2014 | 12,960 | $684 | — | — |
| Q3 2014 | 14,182 | $609 | — | — |
| Q2 2014 | 12,960 | $608 | — | — |
| Q1 2014 | 14,182 | $660 | — | — |
| Q4 2013 | 14,182 | $587 | — | — |