CUSIP: 391164100 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2018 | 9,700 | $308 | — | — |
| Q4 2017 | 48,600 | $1,566 | — | — |
| Q3 2017 | 203,100 | $6,153 | — | — |
| Q1 2017 | 157,400 | $4,599 | — | — |
| Q4 2016 | 122,000 | $3,336 | — | — |