CUSIP: 989774104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2015 | 5,577,661 | $97,051 | — | — |
| Q2 2015 | 5,812,342 | $75,794 | — | — |
| Q1 2015 | 6,624,406 | $86,050 | — | — |
| Q4 2014 | 4,825,784 | $112,923 | — | — |
| Q3 2014 | 4,320,893 | $163,720 | — | — |
| Q2 2014 | 4,058,281 | $166,187 | — | — |
| Q1 2014 | 2,217,939 | $111,318 | — | — |
| Q4 2013 | 2,156,977 | $89,364 | — | — |