| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 06/30/2023 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 21.2k | $8.39 | $178.1k | | 06/30/2023 |
| 06/30/2023 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 640 | $8.39 | $5.4k | | 06/30/2023 |
| 06/30/2023 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 2.7k | $8.39 | $23k | | 06/30/2023 |
| 06/23/2022 | Aldeyra Therapeutics, Inc. | ALDX | Purchase | Common Stock | 4.3k | $3.48 | $15k | | 06/23/2022 |
| 06/07/2022 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 53.8k | $3.60 | $193.7k | | 06/07/2022 |
| 06/07/2022 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 1.6k | $3.60 | $5.8k | | 06/07/2022 |
| 06/07/2022 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 7k | $3.60 | $25k | | 06/07/2022 |
| 06/08/2021 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 1.8k | $12.97 | $22.7k | | 06/08/2021 |
| 06/08/2021 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 408 | $12.97 | $5.3k | | 06/08/2021 |
| 06/08/2021 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 13.5k | $12.97 | $175.5k | | 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) | 1.1k | $5.02 | $5.4k | | 06/09/2020 |
| 06/09/2020 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 4.6k | $5.02 | $23.2k | | 06/09/2020 |
| 09/12/2019 | Aldeyra Therapeutics, Inc. | ALDX | Purchase | Common Stock | 1.7k | $5.86 | $10k | | 09/12/2019 |
| 06/04/2019 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 19k | $7.06 | $133.8k | | 06/04/2019 |
| 06/04/2019 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 771 | $7.06 | $5.4k | | 06/04/2019 |
| 06/04/2019 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 3.3k | $7.06 | $23.3k | | 06/04/2019 |
| 06/07/2018 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 15.5k | $8.35 | $129.6k | | 06/07/2018 |
| 06/07/2018 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 632 | $8.35 | $5.3k | | 06/07/2018 |
| 06/07/2018 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 2.7k | $8.35 | $22.6k | | 06/07/2018 |
| 06/08/2017 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 1k | $5.15 | $5.3k | | 06/08/2017 |
| 06/08/2017 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 4.4k | $5.15 | $22.9k | | 06/08/2017 |
| 06/08/2017 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Stock Option (Right to Buy) | 17.8k | $5.15 | $91.5k | | 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 |
| 06/09/2015 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 6.1k | $7.74 | $47.1k | | 06/09/2015 |
| 08/07/2014 | Aldeyra Therapeutics, Inc. | ALDX | Purchase | Common Stock | 1000 | $3.95 | $3.9k | | 08/07/2014 |
| 05/07/2014 | Aldeyra Therapeutics, Inc. | ALDX | Grant | Employee Stock Option (Right to Buy) | 12.2k | $8.00 | $97.3k | | 05/07/2014 |
| 05/07/2014 | Aldeyra Therapeutics, Inc. | ALDX | Purchase | Common Stock | 12.5k | $8.00 | $100k | | 05/07/2014 |