CUSIP: 391416104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 25,700 | $1,061 | — | — |
| Q2 2017 | 26,700 | $1,090 | — | — |
| Q1 2017 | 31,600 | $1,340 | — | — |
| Q4 2016 | 30,700 | $1,338 | — | — |
| Q3 2016 | 14,300 | $451 | — | — |
| Q2 2016 | 14,300 | $451 | — | — |