CUSIP: 983772104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2018 | 14,051 | $484 | — | — |
| Q2 2018 | 19,037 | $609 | — | — |
| Q1 2018 | 29,581 | $614 | — | — |
| Q4 2017 | 34,605 | $639 | — | — |
| Q3 2017 | 34,212 | $673 | — | — |
| Q2 2017 | 34,190 | $602 | — | — |