CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 5,487,511 | $40,283 | — | — |
| Q4 2016 | 5,436,588 | $47,460 | — | — |
| Q3 2016 | 5,272,373 | $53,403 | — | — |
| Q2 2016 | 5,268,830 | $49,981 | — | — |
| Q1 2016 | 5,206,164 | $58,105 | — | — |
| Q4 2015 | 5,152,096 | $54,772 | — | — |
| Q3 2015 | 5,141,156 | $50,012 | — | — |
| Q2 2015 | 5,230,817 | $55,668 | — | — |
| Q1 2015 | 5,041,819 | $64,791 | — | — |
| Q4 2014 | 5,087,199 | $70,521 | — | — |
| Q3 2014 | 5,240,520 | $69,331 | — | — |
| Q2 2014 | 5,479,699 | $68,167 | — | — |
| Q1 2014 | 5,729,931 | $64,748 | — | — |
| Q4 2013 | 5,740,317 | $69,860 | — | — |
| Q3 2013 | 5,966,868 | $61,399 | — | — |
| Q2 2013 | 6,144,581 | $55,731 | — | — |