CUSIP: 989774104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 1,191,000 | $15,531 | — | — |
| Q1 2015 | 2,691,700 | $34,965 | — | — |
| Q4 2014 | 6,111,000 | $142,997 | — | — |
| Q3 2014 | 3,841,000 | $145,535 | — | — |
| Q2 2014 | 2,675,000 | $109,541 | — | — |
| Q1 2014 | 2,645,000 | $132,753 | — | — |
| Q4 2013 | 2,167,910 | $89,817 | — | — |