CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 196,636 | $1,443 | — | — |
| Q4 2016 | 20,314 | $177 | — | — |
| Q3 2016 | 19,110 | $194 | — | — |
| Q2 2016 | 18,950 | $180 | — | — |
| Q1 2016 | 17,750 | $198 | — | — |
| Q4 2015 | 18,370 | $195 | — | — |
| Q3 2015 | 19,140 | $186 | — | — |
| Q2 2015 | 18,530 | $197 | — | — |
| Q1 2015 | 17,960 | $231 | — | — |
| Q4 2014 | 18,760 | $260 | — | — |
| Q3 2014 | 18,021 | $238 | — | — |
| Q2 2014 | 18,021 | $224 | — | — |
| Q1 2014 | 16,421 | $186 | — | — |
| Q4 2013 | 16,607 | $201 | — | — |
| Q3 2013 | 16,568 | $170 | — | — |
| Q2 2013 | 21,425 | $194 | — | — |
| Q1 2013 | 21,315 | $183 | — | — |