CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2016 | 115,626 | $1,171 | — | — |
| Q2 2016 | 125,496 | $1,191 | — | — |
| Q1 2016 | 138,184 | $1,542 | — | — |
| Q4 2015 | 152,275 | $1,619 | — | — |
| Q3 2015 | 162,145 | $1,578 | — | — |
| Q2 2015 | 203,035 | $2,160 | — | — |
| Q1 2015 | 201,625 | $2,591 | — | — |
| Q4 2014 | 191,755 | $2,658 | — | — |