CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 7,000 | $325 | — | — |
| Q4 2016 | 8,500 | $329 | — | — |
| Q3 2016 | 8,500 | $366 | — | — |
| Q2 2016 | 9,100 | $342 | — | — |
| Q1 2016 | 12,000 | $442 | — | — |
| Q4 2015 | 13,000 | $433 | — | — |
| Q3 2015 | 13,000 | $376 | — | — |
| Q2 2015 | 13,000 | $511 | — | — |
| Q1 2015 | 12,000 | $533 | — | — |
| Q4 2014 | 12,000 | $606 | — | — |
| Q3 2014 | 12,000 | $489 | — | — |
| Q2 2014 | 12,000 | $422 | — | — |
| Q1 2014 | 12,000 | $431 | — | — |
| Q4 2013 | 12,000 | $485 | — | — |
| Q3 2013 | 15,500 | $514 | — | — |
| Q2 2013 | 15,500 | $390 | — | — |