CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 30,591 | $1,514 | — | — |
| Q4 2014 | 32,275 | $1,717 | — | — |
| Q3 2014 | 36,674 | $1,577 | — | — |
| Q2 2014 | 43,938 | $2,062 | — | — |
| Q1 2014 | 44,317 | $2,063 | — | — |
| Q4 2013 | 42,218 | $1,717 | — | — |
| Q3 2013 | 52,833 | $2,133 | — | — |
| Q2 2013 | 50,400 | $2,066 | — | — |