CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 17,400 | $861 | — | — |
| Q4 2014 | 20,400 | $1,076 | — | — |
| Q3 2014 | 20,400 | $877 | — | — |
| Q2 2014 | 22,700 | $1,065 | — | — |
| Q1 2014 | 20,700 | $964 | — | — |
| Q3 2013 | 14,100 | $569 | — | — |
| Q2 2013 | 14,100 | $578 | — | — |