CUSIP: 390320109 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2018 | 48,236 | $446 | — | — |
| Q1 2018 | 47,819 | $441 | — | — |
| Q4 2017 | 48,504 | $477 | — | — |
| Q3 2017 | 50,462 | $527 | — | — |
| Q2 2017 | 50,669 | $538 | — | — |
| Q1 2017 | 49,798 | $567 | — | — |
| Q4 2016 | 50,676 | $591 | — | — |