CUSIP: 976657106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 1,602,220 | $79,315 | — | — |
| Q4 2014 | 1,787,952 | $94,297 | — | — |
| Q3 2014 | 1,849,136 | $79,511 | — | — |
| Q2 2014 | 1,707,481 | $80,121 | — | — |
| Q1 2014 | 1,703,251 | $79,285 | — | — |
| Q4 2013 | 1,879,895 | $77,715 | — | — |
| Q3 2013 | 1,934,428 | $78,116 | — | — |
| Q2 2013 | 2,350,547 | $96,349 | — | — |