CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 2,540,766 | $117,917 | — | — |
| Q4 2016 | 2,577,690 | $99,679 | — | — |
| Q3 2016 | 2,601,835 | $112,139 | — | — |
| Q2 2016 | 2,632,420 | $98,874 | — | — |
| Q1 2016 | 2,651,395 | $97,598 | — | — |
| Q4 2015 | 2,424,500 | $80,639 | — | — |
| Q3 2015 | 2,509,500 | $72,550 | — | — |
| Q2 2015 | 2,453,933 | $96,415 | — | — |
| Q1 2015 | 2,412,872 | $107,216 | — | — |
| Q4 2014 | 2,514,143 | $126,989 | — | — |
| Q3 2014 | 2,622,907 | $106,883 | — | — |
| Q2 2014 | 2,656,072 | $93,308 | — | — |
| Q1 2014 | 2,686,397 | $96,442 | — | — |
| Q4 2013 | 2,882,272 | $116,559 | — | — |
| Q3 2013 | 3,061,197 | $101,509 | — | — |
| Q2 2013 | 3,286,797 | $82,531 | — | — |