CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 14,488 | $106 | — | — |
| Q4 2016 | 14,507 | $126 | — | — |
| Q3 2016 | 14,532 | $147 | — | — |
| Q2 2016 | 14,721 | $138 | — | — |
| Q1 2016 | 14,467 | $161 | — | — |
| Q4 2015 | 14,465 | $156 | — | — |
| Q3 2015 | 14,465 | $142 | — | — |
| Q2 2015 | 14,465 | $156 | — | — |
| Q1 2015 | 14,525 | $188 | — | — |
| Q4 2014 | 21,850 | $303 | — | — |
| Q3 2014 | 14,000 | $185 | — | — |