| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 08/15/2022 | Celldex Therapeutics, Inc. | CLDX | Sale | Common Stock | 15.3k | $37.71 | $578k | | 08/15/2022 |
| 08/15/2022 | Celldex Therapeutics, Inc. | CLDX | Exercise | Incentive Stock Option | 15.3k | $10.38 | $159.1k | | 08/15/2022 |
| 06/16/2022 | Celldex Therapeutics, Inc. | CLDX | Grant | | 42k | $22.48 | $944.2k | | 06/16/2022 |
| 06/17/2021 | Celldex Therapeutics, Inc. | CLDX | Grant | | 42k | $28.00 | $1.2M | | 06/17/2021 |
| 12/14/2020 | Celldex Therapeutics, Inc. | CLDX | Exercise | Common Stock | 11.5k | $9.02 | $103.3k | | 12/14/2020 |
| 12/14/2020 | Celldex Therapeutics, Inc. | CLDX | Sale | Common Stock | 11.5k | $18.61 | $213.2k | | 12/14/2020 |
| 12/14/2020 | Celldex Therapeutics, Inc. | CLDX | Sale | Common Stock | 9.4k | $18.61 | $174.4k | | 12/14/2020 |
| 12/14/2020 | Celldex Therapeutics, Inc. | CLDX | Exercise | Incentive Stock Option | 11.5k | $0.00 | $0 | | 12/14/2020 |
| 12/14/2020 | Celldex Therapeutics, Inc. | CLDX | Exercise | Incentive Stock Option | 9.4k | $2.78 | $26.1k | | 12/14/2020 |
| 06/18/2020 | Celldex Therapeutics, Inc. | CLDX | Grant | | 42k | $10.38 | $436k | | 06/18/2020 |
| 06/19/2019 | Celldex Therapeutics, Inc. | CLDX | Grant | | 30k | $2.78 | $83.4k | | 06/19/2019 |
| 06/13/2018 | Celldex Therapeutics, Inc. | CLDX | Grant | | 275k | $0.60 | $165.3k | | 06/13/2018 |