CUSIP: 989774104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2015 | 3,207,916 | $55,818 | — | — |
| Q2 2015 | 3,058,536 | $39,883 | — | — |
| Q1 2015 | 3,276,867 | $42,566 | — | — |
| Q4 2014 | 2,393,260 | $56,002 | — | — |
| Q3 2014 | 983,453 | $37,263 | — | — |
| Q2 2014 | 791,531 | $32,414 | — | — |
| Q1 2014 | 560,762 | $28,145 | — | — |
| Q4 2013 | 7,457 | $309 | — | — |