CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 4,283,566 | $198,803 | — | — |
| Q4 2016 | 4,188,750 | $161,978 | — | — |
| Q3 2016 | 4,095,152 | $176,496 | — | — |
| Q2 2016 | 3,992,385 | $149,945 | — | — |
| Q1 2016 | 3,837,177 | $141,245 | — | — |
| Q4 2015 | 3,681,542 | $122,449 | — | — |
| Q3 2015 | 3,688,225 | $106,624 | — | — |
| Q2 2015 | 3,564,364 | $140,047 | — | — |
| Q1 2015 | 3,480,271 | $154,657 | — | — |
| Q4 2014 | 3,523,770 | $177,999 | — | — |
| Q3 2014 | 3,699,218 | $150,747 | — | — |
| Q2 2014 | 3,831,707 | $134,608 | — | — |
| Q1 2014 | 3,928,858 | $141,046 | — | — |
| Q4 2013 | 4,035,494 | $163,196 | — | — |
| Q3 2013 | 4,240,953 | $140,630 | — | — |
| Q2 2013 | 4,393,549 | $110,322 | — | — |