CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 20,256 | $149 | — | — |
| Q3 2016 | 14,720 | $149 | — | — |
| Q2 2016 | 10,710 | $102 | — | — |
| Q1 2016 | 10,710 | $120 | — | — |
| Q4 2015 | 10,623 | $113 | — | — |
| Q3 2015 | 10,623 | $103 | — | — |
| Q2 2015 | 12,123 | $129 | — | — |
| Q1 2015 | 12,123 | $157 | — | — |
| Q4 2014 | 12,745 | $172 | — | — |
| Q3 2014 | 12,745 | $169 | — | — |
| Q2 2014 | 12,495 | $155 | — | — |
| Q1 2014 | 14,995 | $169 | — | — |
| Q4 2013 | 14,945 | $182 | — | — |