CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 21,192 | $953 | — | — |
| Q1 2015 | 19,305 | $956 | — | — |
| Q4 2014 | 19,732 | $1,041 | — | — |
| Q3 2014 | 20,066 | $863 | — | — |
| Q2 2014 | 19,450 | $913 | — | — |
| Q1 2014 | 19,437 | $905 | — | — |
| Q4 2013 | 19,970 | $826 | — | — |
| Q3 2013 | 20,866 | $843 | — | — |
| Q2 2013 | 20,763 | $851 | — | — |