CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 519,993 | $3,817 | — | — |
| Q4 2016 | 4,104,184 | $35,830 | — | — |
| Q3 2016 | 3,456,937 | $35,019 | — | — |
| Q2 2016 | 2,850,550 | $27,052 | — | — |
| Q1 2016 | 2,384,884 | $26,615 | — | — |
| Q4 2015 | 5,763,943 | $61,271 | — | — |
| Q3 2015 | 5,891,308 | $57,322 | — | — |
| Q2 2015 | 5,951,138 | $63,320 | — | — |
| Q1 2015 | 5,960,778 | $76,596 | — | — |
| Q4 2014 | 6,071,479 | $84,151 | — | — |
| Q3 2014 | 3,972,767 | $52,560 | — | — |
| Q2 2014 | 6,207,233 | $77,218 | — | — |
| Q1 2014 | 6,224,494 | $70,337 | — | — |
| Q4 2013 | 6,241,684 | $75,961 | — | — |
| Q3 2013 | 5,672,572 | $58,371 | — | — |
| Q2 2013 | 2,563,295 | $23,249 | — | — |