CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2016 | 13,769 | $120 | — | — |
| Q1 2016 | 7,254,456 | $80,960 | — | — |
| Q4 2015 | 8,295,945 | $88,186 | — | — |
| Q3 2015 | 8,575,893 | $83,443 | — | — |
| Q2 2015 | 8,546,599 | $90,936 | — | — |
| Q1 2015 | 8,515,710 | $109,427 | — | — |
| Q4 2014 | 8,203,734 | $113,704 | — | — |
| Q3 2014 | 7,948,241 | $105,155 | — | — |
| Q2 2014 | 7,212,479 | $89,723 | — | — |
| Q1 2014 | 7,211,023 | $81,485 | — | — |