CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 154,900 | $1,138 | — | — |
| Q4 2016 | 153,900 | $1,344 | — | — |
| Q3 2016 | 133,400 | $1,351 | — | — |
| Q2 2016 | 133,000 | $1,262 | — | — |
| Q1 2016 | 137,000 | $1,529 | — | — |
| Q4 2015 | 149,000 | $2,065 | — | — |
| Q3 2015 | 140,000 | $1,362 | — | — |
| Q2 2015 | 145,000 | $1,543 | — | — |
| Q4 2014 | 149,000 | $2,065 | — | — |
| Q3 2014 | 149,500 | $1,978 | — | — |
| Q2 2014 | 171,000 | $2,127 | — | — |
| Q1 2014 | 171,000 | $1,932 | — | — |
| Q4 2013 | 177,500 | $2,160 | — | — |
| Q3 2013 | 179,750 | $1,850 | — | — |
| Q2 2013 | 181,050 | $1,642 | — | — |