CUSIP: 97717p104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2018 | 21,806 | $145 | — | — |
| Q3 2018 | 21,719 | $184 | — | — |
| Q2 2018 | 21,639 | $196 | — | — |
| Q1 2018 | 21,581 | $198 | — | — |
| Q4 2017 | 21,516 | $270 | — | — |
| Q3 2017 | 21,365 | $217 | — | — |
| Q2 2017 | 21,176 | $215 | — | — |
| Q1 2017 | 21,000 | $191 | — | — |
| Q3 2016 | 20,831 | $214 | — | — |