CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 409,672 | $3,007 | — | — |
| Q2 2014 | 20,394 | $254 | — | — |
| Q1 2014 | 20,199 | $228 | — | — |
| Q4 2013 | 21,452 | $261 | — | — |
| Q3 2013 | 32,235 | $238 | — | — |