Aldeyra Therapeutics's top three insider shareholders as of April 28, 2026 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 |
|---|---|---|---|---|
| Todd C Brady | President And Ceo | 1,471,298 | 0 | 12 Mar, 2024 |
| Stephen Machatha | Chief Development Officer | 221,799 | 0 | 13 Aug, 2025 |
| Bruce Greenberg | - | 126,382 | 0 | 14 Aug, 2024 |
| Ben Bronstein | - | 28,248 | 0 | 29 Jun, 2023 |
| Martin Joseph Joyce | - | 23,967 | 0 | 27 Jun, 2022 |
| Neal Walker | - | 15,854 | 0 | 24 Aug, 2023 |
* 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 |
| 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 | 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 | 1,689 | $0.00 | 1,689 | D | A |
| 10 Jun, 2025 | Ben Bronstein | Stock Option (Right to Buy) | A | 3,619 | $0.00 | 3,619 | D | A |
| 10 Jun, 2025 | Neal Walker | Stock Option (Right to Buy) | A | 2,413 | $0.00 | 2,413 | D | A |
| 10 Jun, 2025 | Nancy Miller-Rich | Stock Option (Right to Buy) | A | 2,413 | $0.00 | 2,413 | D | A |
| 10 Jun, 2024 | Ben Bronstein | Stock Option (Right to Buy) | A | 3,860 | $0.00 | 3,860 | D | A |
| 10 Jun, 2025 | Martin Joseph Joyce | Stock Option (Right to Buy) | A | 7,238 | $0.00 | 7,238 | D | A |
| 17 Apr, 2025 | William D Clark | Stock Option (Right to Buy) | A | 76,760 | $0.00 | 76,760 | D | A |
| 04 Mar, 2025 | Stephen Machatha | Stock Option (right to buy) | A | 202,427 | $0.00 | 202,427 | D | A |
| 04 Mar, 2025 | Todd C Brady | Stock Option (right to buy) | A | 809,710 | $0.00 | 809,710 | D | A |
| 12 Aug, 2024 | Stephen Machatha | Common Stock | D | 16,041 | $4.74 | 236,771 | D | S |
| 12 Aug, 2024 | Bruce Greenberg | Common Stock | D | 10,834 | $4.74 | 126,382 | D | S |
| 04 Jun, 2024 | Ben Bronstein | Stock Option (Right to Buy) | A | 40,282 | $0.00 | 40,282 | D | A |
| 04 Jun, 2024 | Martin Joseph Joyce | Stock Option (Right to Buy) | A | 40,282 | $0.00 | 40,282 | D | A |