| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| GRIF | President and CEO | Jul 22, 2020 | Option Exercise | $52.37 | 13,734 | 719,250 | 18,766 | Jul 24, 2020, 03:32 PM |
| GRIF | President and CEO | Jul 22, 2020 | Option Exercise | $28.77 | 25,000 | 719,250 | 32,500 | Jul 24, 2020, 03:32 PM |
| GRIF | President and CEO | Aug 16, 2018 | Option Exercise | $40.21 | 5,471 | 219,989 | 7,500 | Aug 17, 2018, 03:22 PM |
| GRIF | President and CEO | Aug 16, 2018 | Option Exercise | $33.07 | 7,500 | 248,025 | 12,971 | Aug 17, 2018, 03:22 PM |
| GRIF | President and CEO | Jan 09, 2018 | Option Exercise | $37.25 | 5,000 | 186,250 | 5,471 | Jan 10, 2018, 04:39 PM |
| GRIF | President and CEO | Jan 09, 2018 | Option Exercise | $34.04 | 5,471 | 186,233 | 10,471 | Jan 10, 2018, 04:39 PM |
| GRIF | President and CEO | Apr 27, 2016 | Buy | $25.76 | 1,130 | 29,109 | 5,000 | Apr 28, 2016, 10:28 AM |
| GRIF | President and CEO | Apr 26, 2016 | Buy | $25.98 | 110 | 2,858 | 3,870 | Apr 26, 2016, 04:41 PM |
| GRIF | President and CEO | Apr 25, 2016 | Buy | $25.91 | 200 | 5,182 | 3,760 | Apr 26, 2016, 04:41 PM |
| GRIF | President and CEO | Apr 22, 2016 | Buy | $25.98 | 1,060 | 27,539 | 3,560 | Apr 26, 2016, 04:41 PM |
| GRIF | President and CEO | Apr 20, 2016 | Buy | $25.46 | 100 | 2,546 | 2,500 | Apr 21, 2016, 02:34 PM |
| GRIF | President and CEO | Apr 19, 2016 | Buy | $25.33 | 2,400 | 60,792 | 2,400 | Apr 21, 2016, 02:34 PM |
| GRIF | President and COO | Apr 20, 2015 | Buy | $31.80 | 6,469 | 205,714 | 387,871 | Apr 22, 2015, 04:03 PM |
| GRIF | Vice President | Jan 27, 2011 | Option Exercise | $28.83 | 30,000 | 865,050 | 30,000 | Jan 28, 2011, 12:16 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| GRIF | President and CEO | Jul 22, 2020 | Option Exercise | 719,250 |
| GRIF | President and CEO | Jul 22, 2020 | Option Exercise | 719,250 |
| GRIF | President and CEO | Aug 16, 2018 | Option Exercise | 219,989 |
| GRIF | President and CEO | Aug 16, 2018 | Option Exercise | 248,025 |
| GRIF | President and CEO | Jan 09, 2018 | Option Exercise | 186,250 |
| GRIF | President and CEO | Jan 09, 2018 | Option Exercise | 186,233 |
| GRIF | President and CEO | Apr 27, 2016 | Buy | 29,109 |
| GRIF | President and CEO | Apr 26, 2016 | Buy | 2,858 |
| GRIF | President and CEO | Apr 25, 2016 | Buy | 5,182 |
| GRIF | President and CEO | Apr 22, 2016 | Buy | 27,539 |
| GRIF | President and CEO | Apr 20, 2016 | Buy | 2,546 |
| GRIF | President and CEO | Apr 19, 2016 | Buy | 60,792 |
| GRIF | President and COO | Apr 20, 2015 | Buy | 205,714 |
| GRIF | Vice President | Jan 27, 2011 | Option Exercise | 865,050 |