CUSIP: 98979H103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 199,121 | $104 | — | — |
| Q3 2017 | 238,385 | $196 | — | — |
| Q2 2017 | 308,537 | $435 | — | — |
| Q1 2017 | 289,241 | $550 | — | — |
| Q1 2015 | 14,168 | $143 | — | — |