CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 25,869 | $1,281 | — | — |
| Q4 2014 | 27,275 | $1,439 | — | — |
| Q3 2014 | 27,125 | $1,167 | — | — |
| Q2 2014 | 27,098 | $1,271 | — | — |
| Q1 2014 | 26,830 | $1,249 | — | — |
| Q4 2013 | 27,797 | $1,149 | — | — |
| Q3 2013 | 27,097 | $1,094 | — | — |
| Q2 2013 | 27,897 | $1,143 | — | — |