CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 18,093 | $158 | — | — |
| Q4 2016 | 18,093 | $158 | — | — |
| Q3 2016 | 20,978 | $213 | — | — |
| Q1 2016 | 112,100 | $1,251 | — | — |
| Q4 2015 | 56,900 | $605 | — | — |
| Q3 2015 | 57,738 | $562 | — | — |
| Q1 2015 | 15,400 | $198 | — | — |
| Q3 2014 | 21,400 | $283 | — | — |
| Q2 2014 | 17,600 | $219 | — | — |