CUSIP: 98400J108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2018 | 20,609 | $294 | — | — |
| Q2 2018 | 20,509 | $287 | — | — |
| Q1 2018 | 20,449 | $238 | — | — |
| Q4 2017 | 20,345 | $199 | — | — |
| Q3 2017 | 20,345 | $200 | — | — |
| Q2 2017 | 20,345 | $199 | — | — |
| Q1 2017 | 20,345 | $181 | — | — |
| Q4 2016 | 20,299 | $155 | — | — |
| Q3 2016 | 20,299 | $123 | — | — |
| Q2 2016 | 20,299 | $117 | — | — |
| Q1 2016 | 20,299 | $132 | — | — |
| Q4 2015 | 20,299 | $123 | — | — |
| Q3 2015 | 20,199 | $127 | — | — |
| Q2 2015 | 20,199 | $153 | — | — |
| Q1 2015 | 20,199 | $180 | — | — |
| Q4 2014 | 20,199 | $185 | — | — |
| Q3 2014 | 20,199 | $198 | — | — |
| Q2 2014 | 20,199 | $184 | — | — |