CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 4,418 | $219 | — | — |
| Q4 2014 | 3,718 | $196 | — | — |
| Q3 2014 | 4,318 | $186 | — | — |
| Q2 2014 | 3,718 | $174 | — | — |
| Q1 2014 | 3,672 | $171 | — | — |
| Q4 2013 | 3,619 | $150 | — | — |
| Q3 2013 | 3,619 | $146 | — | — |
| Q2 2013 | 14,881 | $610 | — | — |