CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 7,900 | $58 | — | — |
| Q4 2016 | 7,900 | $69 | — | — |
| Q3 2016 | 7,900 | $80 | — | — |
| Q2 2016 | 4,800 | $46 | — | — |
| Q1 2016 | 4,800 | $54 | — | — |
| Q4 2015 | 4,800 | $51 | — | — |
| Q3 2015 | 4,800 | $47 | — | — |
| Q2 2015 | 6,200 | $66 | — | — |
| Q1 2015 | 6,200 | $80 | — | — |
| Q4 2014 | 6,200 | $86 | — | — |
| Q3 2014 | 6,200 | $82 | — | — |
| Q2 2014 | 6,200 | $77 | — | — |
| Q1 2014 | 6,200 | $70 | — | — |
| Q4 2013 | 3,400 | $41 | — | — |
| Q3 2013 | 3,400 | $35 | — | — |
| Q2 2013 | 3,400 | $31 | — | — |