CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 75,790 | $556 | — | — |
| Q4 2016 | 39,250 | $343 | — | — |
| Q3 2016 | 38,200 | $387 | — | — |
| Q2 2016 | 30,725 | $292 | — | — |
| Q1 2016 | 28,475 | $318 | — | — |
| Q4 2015 | 29,525 | $314 | — | — |
| Q3 2015 | 29,375 | $286 | — | — |
| Q2 2015 | 21,875 | $233 | — | — |
| Q1 2015 | 10,700 | $137 | — | — |
| Q4 2014 | 10,700 | $148 | — | — |
| Q3 2014 | 10,700 | $142 | — | — |
| Q2 2014 | 10,700 | $133 | — | — |
| Q1 2014 | 12,200 | $138 | — | — |
| Q4 2013 | 12,336 | $150 | — | — |
| Q3 2013 | 12,336 | $127 | — | — |
| Q2 2013 | 12,936 | $117 | — | — |