CUSIP: 98400J108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2018 | 58,800 | $839 | — | — |
| Q2 2018 | 63,400 | $885 | — | — |
| Q1 2018 | 72,300 | $842 | — | — |
| Q4 2017 | 72,300 | $707 | — | — |
| Q3 2017 | 72,300 | $712 | — | — |
| Q2 2017 | 72,300 | $706 | — | — |