CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2016 | 38,157 | $1,645 | — | — |
| Q2 2016 | 218,269 | $8,198 | — | — |
| Q1 2016 | 155,148 | $5,711 | — | — |
| Q4 2015 | 150,018 | $4,989 | — | — |
| Q3 2015 | 150,307 | $4,345 | — | — |
| Q2 2015 | 292,726 | $11,501,205 | — | — |
| Q1 2015 | 3,563,132 | $158,327,769 | — | — |
| Q4 2014 | 2,459,265 | $124,217,476 | — | — |
| Q3 2014 | 2,510,827 | $102,316 | — | — |
| Q2 2014 | 3,292,512 | $115,665 | — | — |
| Q1 2014 | 2,624,086 | $94,204,688 | — | — |
| Q4 2013 | 4,802,523 | $194,214,029 | — | — |
| Q3 2013 | 6,330,205 | $209,972,900 | — | — |
| Q2 2013 | 5,461,590 | $137,249,756 | — | — |