| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Alfieri Michael | Principal Financial Officer | C/O ALDEYRA THERAPEUTICS, INC., 131 HARTWELL AVENUE, LEXINGTON | /s/ Michael Alfieri | 15 Aug 2025 | 0001744687 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALDX | Common Stock | Purchase | $13,250 | +2,500 | $5.30 | 2,500 | 13 Aug 2025 | Direct |