CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 5,827,356 | $42,773 | — | — |
| Q4 2016 | 5,757,164 | $50,260 | — | — |
| Q3 2016 | 4,543,937 | $46,029 | — | — |
| Q2 2016 | 3,990,555 | $37,870 | — | — |
| Q1 2016 | 3,511,218 | $39,185 | — | — |
| Q4 2015 | 3,436,208 | $36,527 | — | — |
| Q3 2015 | 3,451,973 | $33,588 | — | — |
| Q2 2015 | 4,562,301 | $48,543 | — | — |
| Q1 2015 | 3,762,360 | $48,346 | — | — |
| Q4 2014 | 3,740,273 | $51,840 | — | — |
| Q3 2014 | 3,886,141 | $51,414 | — | — |
| Q2 2014 | 3,979,827 | $49,509 | — | — |
| Q1 2014 | 4,526,521 | $51,148 | — | — |
| Q4 2013 | 5,080,123 | $61,825 | — | — |
| Q3 2013 | 5,247,803 | $53,999 | — | — |
| Q2 2013 | 5,919,055 | $53,686 | — | — |