CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 142,437 | $1,045 | — | — |
| Q4 2016 | 141,234 | $1,233 | — | — |
| Q3 2016 | 127,371 | $1,290 | — | — |
| Q2 2016 | 149,689 | $1,421 | — | — |
| Q1 2016 | 144,894 | $1,617 | — | — |
| Q4 2015 | 137,414 | $1,461 | — | — |
| Q3 2015 | 159,601 | $1,553 | — | — |
| Q2 2015 | 162,700 | $1,731 | — | — |
| Q1 2015 | 163,805 | $2,105 | — | — |
| Q4 2014 | 160,693 | $2,227 | — | — |
| Q3 2014 | 158,045 | $2,091 | — | — |
| Q2 2014 | 151,152 | $1,880 | — | — |
| Q1 2014 | 116,983 | $1,322 | — | — |
| Q4 2013 | 123,866 | $1,507 | — | — |
| Q3 2013 | 127,008 | $1,307 | — | — |
| Q2 2013 | 126,864 | $1,151 | — | — |