CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 1,113,811 | $51,692 | — | — |
| Q4 2016 | 1,218,725 | $47,128 | — | — |
| Q3 2016 | 1,293,606 | $55,754 | — | — |
| Q2 2016 | 2,325,431 | $87,343 | — | — |
| Q1 2016 | 2,939,890 | $108,217 | — | — |
| Q4 2015 | 4,856,309 | $161,521 | — | — |
| Q3 2015 | 5,246,610 | $151,679 | — | — |
| Q2 2015 | 4,538,820 | $178,330 | — | — |
| Q1 2015 | 4,441,668 | $197,366 | — | — |
| Q4 2014 | 2,069,312 | $104,521 | — | — |
| Q3 2014 | 5,250,088 | $213,941 | — | — |
| Q2 2014 | 4,737,621 | $166,433 | — | — |
| Q1 2014 | 1,639,123 | $58,845 | — | — |
| Q4 2013 | 1,098,604 | $39,559 | — | — |
| Q3 2013 | 1,722,563 | $57,137 | — | — |
| Q2 2013 | 1,638,185 | $41,168 | — | — |