CUSIP: 977880103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 14,433 | $621 | — | — |
| Q2 2017 | 14,433 | $579 | — | — |
| Q1 2017 | 13,724 | $447 | — | — |
| Q4 2016 | 10,073 | $318 | — | — |
| Q3 2016 | 10,073 | $270 | — | — |
| Q2 2016 | 11,087 | $283 | — | — |
| Q1 2016 | 9,339 | $238 | — | — |