CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 1,612,751 | $74,848 | — | — |
| Q4 2016 | 1,585,705 | $61,319 | — | — |
| Q3 2016 | 1,589,924 | $68,526 | — | — |
| Q2 2016 | 1,654,365 | $62,138 | — | — |
| Q1 2016 | 1,762,878 | $64,892 | — | — |
| Q4 2015 | 1,721,198 | $57,247 | — | — |
| Q3 2015 | 1,809,699 | $52,318 | — | — |
| Q2 2015 | 3,949,836 | $155,189 | — | — |
| Q1 2015 | 4,361,218 | $193,791 | — | — |
| Q4 2014 | 1,835,516 | $92,712 | — | — |
| Q3 2014 | 1,976,126 | $80,527 | — | — |
| Q2 2014 | 2,008,093 | $70,544 | — | — |
| Q1 2014 | 3,471,931 | $124,642 | — | — |
| Q4 2013 | 3,628,339 | $146,730 | — | — |
| Q3 2013 | 4,188,543 | $138,892 | — | — |
| Q2 2013 | 1,978,187 | $49,672 | — | — |