CUSIP: 391164100 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2018 | 92,231 | $2,932 | — | — |
| Q4 2017 | 89,129 | $2,874 | — | — |
| Q3 2017 | 90,148 | $2,732 | — | — |
| Q2 2017 | 91,466 | $2,678,153 | — | — |
| Q1 2017 | 91,655 | $2,678,181 | — | — |
| Q4 2016 | 95,782 | $2,620 | — | — |