| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| GRIF | 10% Owner | May 20, 2019 | Option Exercise | $37.94 | 21,241 | 805,884 | 68,888 | May 22, 2019, 10:18 AM |
| GRIF | 10% Owner | May 20, 2019 | Option Exercise | $28.77 | 25,000 | 719,250 | 90,129 | May 22, 2019, 10:18 AM |
| GRIF | 10% Owner | May 21, 2018 | Option Exercise | $39.88 | 13,405 | 534,645 | 65,129 | May 22, 2018, 12:37 PM |
| GRIF | 10% Owner | May 21, 2018 | Option Exercise | $33.07 | 15,000 | 496,050 | 78,534 | May 22, 2018, 12:37 PM |
| GRIF | 10% Owner | Apr 20, 2015 | Buy | $31.80 | 22,938 | 729,428 | 669,269 | Apr 22, 2015, 04:27 PM |
| GRIF | 10% Owner | Apr 20, 2015 | Buy | $31.80 | 3,000 | 95,400 | 63,322 | Apr 22, 2015, 04:27 PM |
| GRIF | 10% Owner | Oct 16, 2013 | Buy | $30.91 | 35,000 | 1,081,675 | 434,424 | Oct 16, 2013, 03:27 PM |
| GRIF | 10% Owner | Oct 16, 2013 | Buy | $31.91 | 35,000 | 1,116,675 | 434,424 | Oct 16, 2013, 01:56 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| GRIF | 10% Owner | May 20, 2019 | Option Exercise | 805,884 |
| GRIF | 10% Owner | May 20, 2019 | Option Exercise | 719,250 |
| GRIF | 10% Owner | May 21, 2018 | Option Exercise | 534,645 |
| GRIF | 10% Owner | May 21, 2018 | Option Exercise | 496,050 |
| GRIF | 10% Owner | Apr 20, 2015 | Buy | 729,428 |
| GRIF | 10% Owner | Apr 20, 2015 | Buy | 95,400 |
| GRIF | 10% Owner | Oct 16, 2013 | Buy | 1,081,675 |
| GRIF | 10% Owner | Oct 16, 2013 | Buy | 1,116,675 |