CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 118,005 | $866 | — | — |
| Q4 2016 | 116,493 | $1,017 | — | — |
| Q2 2016 | 128,258 | $1,217 | — | — |
| Q1 2016 | 126,825 | $1,415 | — | — |
| Q4 2015 | 124,323 | $1,322 | — | — |
| Q3 2015 | 129,989 | $1,265 | — | — |
| Q2 2015 | 133,621 | $1,422 | — | — |
| Q1 2015 | 134,630 | $1,730 | — | — |
| Q4 2014 | 1,513,448 | $20,976 | — | — |
| Q3 2014 | 1,515,997 | $20,057 | — | — |
| Q2 2014 | 1,679,993 | $20,899 | — | — |
| Q1 2014 | 1,686,732 | $19,060 | — | — |
| Q4 2013 | 1,692,832 | $20,602 | — | — |
| Q3 2013 | 1,782,175 | $18,339 | — | — |
| Q2 2013 | 1,819,190 | $16,500 | — | — |