CUSIP: 98872B104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 23,778 | $114 | — | — |
| Q3 2017 | 36,471 | $169 | — | — |
| Q1 2017 | 21,780 | $89 | — | — |
| Q4 2016 | 23,638 | $85 | — | — |
| Q1 2016 | 11,422 | $43 | — | — |
| Q2 2015 | 16,973 | $92 | — | — |
| Q1 2015 | 24,000 | $125 | — | — |
| Q4 2014 | 24,000 | $121 | — | — |
| Q3 2014 | 56,999 | $285 | — | — |
| Q2 2014 | 72,300 | $427 | — | — |