CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 2,616,075 | $121,413 | — | — |
| Q4 2016 | 2,482,989 | $96,018 | — | — |
| Q3 2016 | 2,405,458 | $103,676 | — | — |
| Q2 2016 | 2,337,907 | $87,812 | — | — |
| Q1 2016 | 2,283,666 | $84,062 | — | — |
| Q4 2015 | 2,196,776 | $73,065 | — | — |
| Q3 2015 | 2,106,148 | $60,889 | — | — |
| Q2 2015 | 2,087,381 | $82,014 | — | — |
| Q1 2015 | 2,073,328 | $92,129 | — | — |
| Q4 2014 | 2,008,104 | $101,430 | — | — |
| Q3 2014 | 2,005,070 | $81,707 | — | — |
| Q2 2014 | 1,979,401 | $69,537 | — | — |
| Q1 2014 | 1,943,948 | $69,788 | — | — |
| Q4 2013 | 1,927,462 | $77,947 | — | — |
| Q3 2013 | 1,905,083 | $65,383 | — | — |
| Q2 2013 | 1,893,874 | $47,802 | — | — |