CUSIP: 391416104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 5,000 | $206 | — | — |
| Q2 2017 | 6,700 | $273 | — | — |
| Q1 2017 | 40,600 | $1,722 | — | — |
| Q4 2016 | 47,200 | $2,057 | — | — |
| Q3 2016 | 159,200 | $5,305 | — | — |
| Q2 2016 | 93,300 | $2,943 | — | — |
| Q1 2016 | 170,500 | $4,650 | — | — |
| Q4 2015 | 115,500 | $3,352 | — | — |