CUSIP: 983919101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2018 | 79,000 | $5,707 | — | — |
| Q4 2017 | 79,000 | $5,326 | — | — |
| Q3 2017 | 60,400 | $4,278 | — | — |
| Q2 2017 | 34,300 | $2,206 | — | — |
| Q1 2017 | 1,605,660 | $92,952 | — | — |
| Q4 2016 | 1,019,100 | $61,523 | — | — |
| Q3 2016 | 1,020,030 | $55,428 | — | — |
| Q2 2016 | 1,233,200 | $56,888 | — | — |
| Q1 2016 | 1,481,100 | $70,249 | — | — |
| Q4 2015 | 1,242,200 | $58,346 | — | — |
| Q3 2015 | 1,079,200 | $45,758 | — | — |
| Q2 2015 | 1,123,200 | $49,601 | — | — |
| Q1 2015 | 2,026,000 | $85,700 | — | — |
| Q4 2014 | 1,940,800 | $84,017 | — | — |
| Q3 2014 | 2,499,300 | $105,845 | — | — |
| Q2 2014 | 12,800 | $606 | — | — |