CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 1,596,498 | $74,093 | — | — |
| Q4 2016 | 1,670,800 | $68,535 | — | — |
| Q3 2016 | 3,964,021 | $170,851 | — | — |
| Q2 2016 | 2,567,069 | $96,419 | — | — |
| Q1 2016 | 2,812,524 | $103,529 | — | — |
| Q4 2015 | 5,012,823 | $166,726 | — | — |
| Q3 2015 | 6,015,426 | $173,907 | — | — |
| Q2 2015 | 3,568,918 | $140,224 | — | — |
| Q1 2015 | 2,639,292 | $117,278 | — | — |
| Q4 2014 | 4,644,292 | $234,583 | — | — |
| Q3 2014 | 2,419,910 | $98,612 | — | — |
| Q2 2014 | 1,474,327 | $51,794 | — | — |
| Q1 2014 | 798,982 | $28,683 | — | — |
| Q4 2013 | 1,168,340 | $47,247 | — | — |
| Q3 2013 | 163,026 | $5,407 | — | — |
| Q2 2013 | 648,886 | $16,305 | — | — |