CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 148,243 | $6,879,957 | — | — |
| Q4 2016 | 86,219 | $3,655,685 | — | — |
| Q3 2016 | 87,886 | $3,787,887 | — | — |
| Q2 2016 | 93,946 | $3,426,478 | — | — |
| Q1 2016 | 79,644 | $2,931,695 | — | — |
| Q4 2015 | 95,165 | $3,165,188 | — | — |
| Q3 2015 | 48,851 | $1,412,282 | — | — |
| Q2 2015 | 21,568 | $847,407 | — | — |
| Q1 2015 | 72,208 | $3,738,891 | — | — |
| Q4 2014 | 82,543 | $4,169,247 | — | — |
| Q3 2014 | 410,066 | $16,710,189 | — | — |
| Q2 2014 | 701,976 | $24,660,417 | — | — |
| Q1 2014 | 204,739 | $7,350,130 | — | — |
| Q4 2013 | 625,869 | $25,312,999 | — | — |
| Q3 2013 | 707,042 | $23,447,648 | — | — |
| Q2 2013 | 654,830 | $16,066,946 | — | — |