CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 1,686,502 | $78,270 | — | — |
| Q4 2016 | 2,346,496 | $90,739 | — | — |
| Q3 2016 | 3,226,815 | $139,075 | — | — |
| Q2 2016 | 3,206,775 | $120,446 | — | — |
| Q1 2016 | 3,673,193 | $135,211 | — | — |
| Q4 2015 | 4,837,589 | $160,897 | — | — |
| Q3 2015 | 2,602,221 | $75,229 | — | — |
| Q2 2015 | 6,457,286 | $253,705 | — | — |
| Q1 2015 | 7,106,663 | $315,784 | — | — |
| Q4 2014 | 6,167,271 | $311,506 | — | — |
| Q3 2014 | 9,877,923 | $402,526 | — | — |
| Q2 2014 | 10,756,518 | $377,878 | — | — |
| Q1 2014 | 9,950,614 | $357,226 | — | — |
| Q4 2013 | 9,791,279 | $395,959 | — | — |
| Q3 2013 | 8,010,621 | $265,714 | — | — |
| Q2 2013 | 7,821,370 | $196,552 | — | — |