CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 8,100 | $364 | — | — |
| Q1 2015 | 17,273 | $855 | — | — |
| Q4 2014 | 18,360 | $968 | — | — |
| Q3 2014 | 18,560 | $798 | — | — |
| Q2 2014 | 18,551 | $870 | — | — |
| Q1 2014 | 19,452 | $906 | — | — |
| Q4 2013 | 19,430 | $803 | — | — |
| Q3 2013 | 20,001 | $808 | — | — |
| Q2 2013 | 20,001 | $820 | — | — |
| Q1 2013 | 20,001 | $858 | — | — |
| Q4 2012 | 20,021 | $738 | — | — |
| Q3 2012 | 20,631 | $777 | — | — |
| Q2 2012 | 20,631 | $816 | — | — |
| Q1 2012 | 20,631 | $726 | — | — |