CUSIP: 391164100 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2018 | 8,268 | $263 | — | — |
| Q4 2017 | 54,058 | $1,743 | — | — |
| Q3 2017 | 255,685 | $7,747 | — | — |
| Q2 2017 | 1,069,445 | $31,313 | — | — |
| Q1 2017 | 1,309,647 | $38,268 | — | — |
| Q4 2016 | 1,702,224 | $46,556 | — | — |