CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 1,441,008 | $66,877 | — | — |
| Q4 2016 | 1,467,008 | $56,729 | — | — |
| Q3 2016 | 1,490,007 | $64,219 | — | — |
| Q2 2016 | 1,510,834 | $56,747 | — | — |
| Q1 2016 | 1,510,565 | $55,604 | — | — |
| Q4 2015 | 1,547,953 | $51,485 | — | — |
| Q3 2015 | 1,647,996 | $47,644 | — | — |
| Q2 2015 | 1,642,124 | $64,519 | — | — |
| Q1 2015 | 1,610,121 | $71,546 | — | — |
| Q4 2014 | 1,674,502 | $84,579 | — | — |
| Q3 2014 | 1,735,997 | $70,742 | — | — |
| Q2 2014 | 1,774,764 | $62,347 | — | — |
| Q1 2014 | 1,890,950 | $67,885 | — | — |
| Q4 2013 | 1,951,993 | $78,939 | — | — |
| Q3 2013 | 2,041,995 | $67,733 | — | — |
| Q2 2013 | 2,095,715 | $52,665 | — | — |