CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 18,094 | $133 | — | — |
| Q4 2016 | 18,094 | $158 | — | — |
| Q3 2016 | 21,906 | $222 | — | — |
| Q2 2016 | 29,906 | $284 | — | — |
| Q1 2016 | 29,678 | $332 | — | — |
| Q4 2015 | 25,484 | $271 | — | — |
| Q3 2015 | 29,475 | $287 | — | — |
| Q2 2015 | 29,450 | $314 | — | — |
| Q1 2015 | 29,450 | $378 | — | — |
| Q4 2014 | 35,145 | $487 | — | — |
| Q3 2014 | 35,147 | $465 | — | — |
| Q2 2014 | 37,897 | $471 | — | — |
| Q1 2014 | 38,097 | $431 | — | — |
| Q4 2013 | 33,601 | $409 | — | — |
| Q3 2013 | 40,095 | $413 | — | — |
| Q2 2013 | 88,008 | $798 | — | — |
| Q1 2013 | 96,688 | $832 | — | — |