CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 22,775 | $167 | — | — |
| Q4 2016 | 25,269 | $221 | — | — |
| Q3 2016 | 19,775 | $200 | — | — |
| Q1 2016 | 23,722 | $265 | — | — |
| Q4 2015 | 14,305 | $152 | — | — |
| Q3 2015 | 14,009 | $136 | — | — |