CUSIP: 98956p102 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 16,503 | $2,009 | — | — |
| Q3 2017 | 18,217 | $2,133 | — | — |
| Q3 2016 | 22,288 | $2,898 | — | — |
| Q4 2014 | 29,924 | $3,394 | — | — |
| Q3 2014 | 24,112 | $2,424 | — | — |