CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 15,969 | $741 | — | — |
| Q4 2016 | 16,512 | $639 | — | — |
| Q3 2016 | 16,717 | $721 | — | — |
| Q2 2016 | 11,154 | $419 | — | — |
| Q1 2016 | 11,403 | $420 | — | — |
| Q4 2015 | 11,703 | $389 | — | — |
| Q2 2015 | 11,589 | $456 | — | — |
| Q3 2013 | 251 | $8 | — | — |