CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 84,400 | $619 | — | — |
| Q1 2014 | 10,216 | $115 | — | — |
| Q4 2013 | 459,748 | $5,595 | — | — |
| Q3 2013 | 462,601 | $4,760 | — | — |
| Q2 2013 | 470,340 | $4,266 | — | — |