CUSIP: 98412110 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2016 | 6,307,942 | $63,899 | — | — |
| Q2 2016 | 7,568,137 | $71,822 | — | — |
| Q1 2016 | 7,542,330 | $84,172 | — | — |
| Q4 2015 | 8,063,563 | $85,716 | — | — |
| Q3 2015 | 5,233,389 | $55,683 | — | — |
| Q2 2015 | 5,233,389 | $55,683 | — | — |
| Q1 2015 | 5,813,231 | $74,700 | — | — |
| Q4 2014 | 5,436,821 | $75,354 | — | — |
| Q3 2014 | 4,974,253 | $65,809 | — | — |
| Q2 2014 | 4,699,485 | $58,462 | — | — |
| Q1 2014 | 7,930,193 | $89,611 | — | — |
| Q4 2013 | 5,031,628 | $61,235 | — | — |
| Q3 2013 | 6,089,781 | $62,664 | — | — |
| Q2 2013 | 4,445,653 | $40,322 | — | — |