CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2016 | 10,272 | $104 | — | — |
| Q2 2016 | 12,782 | $121 | — | — |
| Q1 2016 | 12,322 | $138 | — | — |
| Q4 2015 | 10,642 | $113 | — | — |
| Q3 2015 | 12,052 | $117 | — | — |
| Q2 2015 | 10,668 | $114 | — | — |
| Q1 2015 | 12,018 | $154 | — | — |
| Q4 2014 | 12,018 | $167 | — | — |
| Q3 2014 | 11,788 | $156 | — | — |
| Q2 2014 | 11,748 | $146 | — | — |