CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 19,201 | $141 | — | — |
| Q4 2016 | 32,521 | $284 | — | — |
| Q3 2016 | 32,521 | $329 | — | — |
| Q2 2016 | 34,320 | $326 | — | — |
| Q1 2016 | 34,320 | $383 | — | — |
| Q4 2015 | 31,980 | $339 | — | — |
| Q3 2015 | 35,120 | $342 | — | — |
| Q2 2015 | 35,120 | $373 | — | — |
| Q1 2015 | 35,120 | $451 | — | — |
| Q4 2014 | 35,120 | $487 | — | — |
| Q3 2014 | 35,120 | $465 | — | — |
| Q2 2014 | 35,232 | $438 | — | — |
| Q1 2014 | 35,232 | $398 | — | — |
| Q4 2013 | 35,232 | $429 | — | — |
| Q3 2013 | 35,232 | $362 | — | — |
| Q2 2013 | 35,232 | $320 | — | — |
| Q1 2013 | 34,352 | $295 | — | — |