CUSIP: 983919101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2021 | 11,986 | $2,541,392 | — | — |
| Q3 2021 | 12,203 | $1,842,531 | — | — |
| Q2 2021 | 12,589 | $1,820,873 | — | — |
| Q1 2021 | 13,195 | $1,634,860 | — | — |
| Q4 2020 | 13,345 | $1,891,921 | — | — |
| Q3 2020 | 13,934 | $1,452,480 | — | — |
| Q1 2020 | 14,839 | $1,156,551 | — | — |
| Q4 2019 | 13,735 | $1,342,871 | — | — |
| Q3 2019 | 13,538 | $1,298,294 | — | — |
| Q2 2019 | 13,979 | $1,648,404 | — | — |
| Q1 2019 | 14,269 | $1,809,166 | — | — |
| Q4 2018 | 16,204 | $1,380,095 | — | — |
| Q3 2018 | 15,911 | $1,275,585 | — | — |
| Q2 2018 | 15,740 | $1,027,192 | — | — |
| Q1 2018 | 16,267 | $1,175,128 | — | — |
| Q4 2017 | 15,992 | $1,078,181 | — | — |
| Q3 2017 | 16,247 | $1,150,775 | — | — |
| Q2 2017 | 15,344 | $986,926 | — | — |
| Q1 2017 | 14,819 | $857,872 | — | — |
| Q4 2016 | 14,458 | $872,830 | — | — |
| Q3 2016 | 14,378 | $781,301 | — | — |
| Q2 2016 | 14,432 | $665,748 | — | — |
| Q1 2016 | 15,219 | $721,837 | — | — |
| Q4 2015 | 15,573 | $731,464 | — | — |
| Q3 2015 | 22,071 | $935,810 | — | — |
| Q2 2015 | 21,810 | $963,130 | — | — |
| Q1 2015 | 22,428 | $948,704 | — | — |
| Q4 2014 | 42,808 | $1,833,757 | — | — |
| Q3 2014 | 20,640 | $874,104 | — | — |
| Q2 2014 | 8,010 | $378,953 | — | — |