CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 23,791 | $792 | — | — |
| Q2 2017 | 24,280 | $698 | — | — |
| Q1 2017 | 95,511 | $701 | — | — |
| Q3 2016 | 30,278 | $307 | — | — |
| Q2 2016 | 25,934 | $246 | — | — |
| Q3 2015 | 175,902 | $908 | — | — |
| Q2 2015 | 29,625 | $315 | — | — |
| Q1 2015 | 31,581 | $406 | — | — |
| Q4 2014 | 41,702 | $578 | — | — |
| Q3 2014 | 40,387 | $534 | — | — |
| Q2 2014 | 32,263 | $401 | — | — |
| Q1 2014 | 23,972 | $271 | — | — |
| Q4 2013 | 20,115 | $245 | — | — |
| Q3 2013 | 17,151 | $176 | — | — |
| Q2 2013 | 10,280 | $93 | — | — |