CUSIP: 391416104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 11,119 | $471,557 | — | — |
| Q4 2016 | 14,192 | $618,629 | — | — |
| Q3 2016 | 11,375 | $379,015 | — | — |
| Q2 2016 | 11,224 | $354,005 | — | — |
| Q1 2016 | 6,918 | $188,654 | — | — |