As of July 26, 2026, Aldeyra Therapeutics's top three insider holders are Todd C Brady (President And Ceo, 1.47Mn shares), Stephen Machatha (Chief Development Officer, 221.80K shares), Bruce Greenberg (Officer, 126.38K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Martin Joseph Joyce | - | 23,967 | 0 | 27 Jun, 2022 |
| Todd C Brady | President And Ceo | 1,471,298 | 0 | 12 Mar, 2024 |
| Neal Walker | - | 15,854 | 0 | 24 Aug, 2023 |
| Ben Bronstein | - | 28,248 | 0 | 29 Jun, 2023 |
| Stephen Machatha | Chief Development Officer | 221,799 | 0 | 13 Aug, 2025 |
| Bruce Greenberg | - | 126,382 | 0 | 14 Aug, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 27 Mar, 2026 | Todd C Brady | Stock Option (right to buy) | A | 1,880,510 | $0.00 | 1,880,510 | D | A |
| 27 Mar, 2026 | Todd C Brady | Bonus Units | A | 632,318 | $0.00 | 632,318 | D | A |
| 11 Aug, 2025 | Stephen Machatha | Common Stock | D | 22,073 | $5.15 | 221,799 | D | S |
| 11 Aug, 2025 | Stephen Machatha | Common Stock | D | 22,073 | $5.15 | 221,799 | D | S |
| 11 Aug, 2025 | Stephen Machatha | Common Stock | D | 22,073 | $5.15 | 221,799 | D | S |
| 10 Jun, 2025 | Nancy Miller-Rich | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Neal Walker | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Neal Walker | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Nancy Miller-Rich | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Ben Bronstein | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Ben Bronstein | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Ben Bronstein | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Martin Joseph Joyce | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Martin Joseph Joyce | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Nancy Miller-Rich | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Neal Walker | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Martin Joseph Joyce | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Nancy Miller-Rich | Stock Option (Right to Buy) | A | 2,413 | $0.00 | 2,413 | D | A |
| 10 Jun, 2025 | Martin Joseph Joyce | Stock Option (Right to Buy) | A | 1,689 | $0.00 | 1,689 | D | A |
| 10 Jun, 2025 | Nancy Miller-Rich | Stock Option (Right to Buy) | A | 2,413 | $0.00 | 2,413 | D | A |