CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 8,190 | $405 | — | — |
| Q4 2014 | 8,190 | $432 | — | — |
| Q3 2014 | 8,190 | $352 | — | — |
| Q2 2014 | 8,115 | $381 | — | — |
| Q1 2014 | 8,815 | $410 | — | — |
| Q4 2013 | 8,700 | $360 | — | — |