CUSIP: 97717p104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2018 | 44,400 | $377 | — | — |
| Q2 2018 | 72,550 | $659 | — | — |
| Q1 2018 | 91,690 | $841 | — | — |
| Q4 2017 | 81,300 | $1,020 | — | — |
| Q3 2017 | 76,250 | $776 | — | — |
| Q2 2017 | 72,450 | $737 | — | — |
| Q1 2017 | 55,300 | $502 | — | — |
| Q4 2016 | 34,550 | $385 | — | — |