CUSIP: 391164100 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2018 | 10,044 | $320 | — | — |
| Q4 2017 | 10,644 | $344 | — | — |
| Q3 2017 | 10,644 | $322 | — | — |
| Q2 2017 | 10,644 | $312 | — | — |
| Q1 2017 | 10,644 | $311 | — | — |
| Q4 2016 | 10,644 | $291 | — | — |
| Q3 2016 | 10,644 | $290 | — | — |
| Q2 2016 | 13,589 | $413 | — | — |
| Q1 2016 | 13,589 | $439 | — | — |
| Q4 2015 | 13,589 | $371 | — | — |
| Q3 2015 | 13,589 | $367 | — | — |
| Q2 2015 | 23,906 | $578 | — | — |
| Q1 2015 | 26,619 | $710 | — | — |
| Q4 2014 | 31,685 | $900 | — | — |
| Q3 2014 | 59,241 | $1,431 | — | — |
| Q2 2014 | 99,425 | $2,672 | — | — |
| Q1 2014 | 107,367 | $2,903 | — | — |
| Q4 2013 | 138,176 | $3,350 | — | — |
| Q3 2013 | 162,510 | $3,608 | — | — |
| Q2 2013 | 238,912 | $5,385 | — | — |