CUSIP: 98872B104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 52,045 | $249 | — | — |
| Q3 2017 | 56,851 | $263 | — | — |
| Q2 2017 | 56,851 | $267 | — | — |
| Q1 2017 | 54,518 | $223 | — | — |
| Q4 2016 | 44,505 | $160 | — | — |
| Q3 2016 | 44,262 | $175 | — | — |
| Q2 2016 | 31,436 | $116 | — | — |
| Q1 2016 | 31,436 | $117 | — | — |
| Q4 2015 | 31,367 | $110 | — | — |
| Q3 2015 | 31,136 | $81 | — | — |
| Q2 2015 | 162,006 | $878 | — | — |
| Q1 2015 | 183,687 | $954 | — | — |
| Q4 2014 | 176,836 | $891 | — | — |
| Q3 2014 | 179,586 | $898 | — | — |
| Q2 2014 | 72,071 | $425 | — | — |
| Q1 2014 | 74,733 | $546 | — | — |
| Q4 2013 | 86,176 | $642 | — | — |
| Q3 2013 | 31,073 | $329 | — | — |