CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 21,402 | $239 | — | — |
| Q4 2015 | 20,902 | $222 | — | — |
| Q3 2015 | 21,602 | $210 | — | — |
| Q2 2015 | 22,302 | $237 | — | — |
| Q1 2015 | 22,102 | $284 | — | — |
| Q4 2014 | 21,802 | $302 | — | — |
| Q3 2014 | 21,002 | $278 | — | — |
| Q2 2014 | 20,802 | $259 | — | — |
| Q1 2014 | 20,902 | $236 | — | — |
| Q4 2013 | 21,302 | $259 | — | — |
| Q3 2013 | 19,702 | $203 | — | — |
| Q2 2013 | 19,702 | $179 | — | — |