| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 06/30/2023 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 1.5k | $8.39 | $12.3k | | 06/30/2023 |
| 06/30/2023 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 1.4k | $8.39 | $11.5k | | 06/30/2023 |
| 06/30/2023 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 21.2k | $8.39 | $178.1k | | 06/30/2023 |
| 06/27/2023 | Aldeyra Therapeutics, Inc. | ALDX | Exercise | Stock Option (Right to Buy) | 9.6k | $0.55 | $5.3k | | 06/27/2023 |
| 06/07/2022 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 3.7k | $3.60 | $13.4k | | 06/07/2022 |
| 06/07/2022 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 3.5k | $3.60 | $12.5k | | 06/07/2022 |
| 06/07/2022 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 53.8k | $3.60 | $193.7k | | 06/07/2022 |
| 06/08/2021 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 13.5k | $12.97 | $175.5k | | 06/08/2021 |
| 06/08/2021 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 875 | $12.97 | $11.3k | | 06/08/2021 |
| 06/08/2021 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 933 | $12.97 | $12.1k | | 06/08/2021 |
| 06/09/2020 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 26.5k | $5.02 | $133k | | 06/09/2020 |
| 06/09/2020 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 2.3k | $5.02 | $11.6k | | 06/09/2020 |
| 06/09/2020 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 1.5k | $5.02 | $7.7k | | 06/09/2020 |
| 09/17/2019 | Aldeyra Therapeutics, Inc. | ALDX | Purchase | Common Stock | 1.7k | $5.85 | $9.9k | | 09/17/2019 |
| 06/04/2019 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 1.1k | $7.06 | $7.8k | | 06/04/2019 |
| 06/04/2019 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 1.7k | $7.06 | $11.7k | | 06/04/2019 |
| 06/04/2019 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 19k | $7.06 | $133.8k | | 06/04/2019 |
| 06/07/2018 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 903 | $8.35 | $7.5k | | 06/07/2018 |
| 06/07/2018 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 1.4k | $8.35 | $11.3k | | 06/07/2018 |
| 06/07/2018 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 15.5k | $8.35 | $129.6k | | 06/07/2018 |
| 06/08/2017 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 17.8k | $5.15 | $91.5k | | 06/08/2017 |
| 06/08/2017 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 2.2k | $5.15 | $11.4k | | 06/08/2017 |
| 06/08/2017 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 1.5k | $5.15 | $7.6k | | 06/08/2017 |
| 02/17/2017 | Aldeyra Therapeutics, Inc. | ALDX | Purchase | Common Stock | 4.4k | $4.50 | $20k | | 02/17/2017 |
| 06/09/2016 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 6.1k | $5.97 | $36.3k | | 06/09/2016 |