CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 13,000 | $95 | — | — |
| Q4 2016 | 17,000 | $148 | — | — |
| Q3 2016 | 17,000 | $172 | — | — |
| Q2 2016 | 23,000 | $218 | — | — |
| Q1 2016 | 50,000 | $558 | — | — |
| Q4 2015 | 61,000 | $648 | — | — |
| Q3 2015 | 63,000 | $613 | — | — |
| Q2 2015 | 65,000 | $692 | — | — |
| Q1 2015 | 96,000 | $1,234 | — | — |
| Q4 2014 | 116,000 | $1,608 | — | — |
| Q3 2014 | 173,500 | $2,295 | — | — |
| Q2 2014 | 286,200 | $3,560 | — | — |
| Q1 2014 | 508,721 | $5,749 | — | — |
| Q4 2013 | 43,343,159 | $527,486 | — | — |
| Q3 2013 | 49,775,279 | $512,188 | — | — |
| Q2 2013 | 112,451,393 | $1,019,934 | — | — |