Perceptive Advisors LLC 13D and 13G filings for Aldeyra Therapeutics, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-05-15 4:00 pm Sale | 2026-03-31 | 13G | ALDEYRA THERAPEUTICS, INC ALDX | Perceptive Advisors LLC | 0 0.000% | -4,185,632 (Position Closed) | Filing |
| 2026-02-17 4:00 pm Sale | 2025-12-31 | 13G | ALDEYRA THERAPEUTICS, INC ALDX | Perceptive Advisors LLC | 4,185,632 7.000% | -1,036,679 (-19.85%) | Filing |
| 2025-11-14 4:00 pm Purchase | 2025-09-30 | 13G | ALDEYRA THERAPEUTICS, INC ALDX | Perceptive Advisors LLC | 5,222,311 8.700% | 1,170,680 (+28.89%) | Filing |
| 2025-08-14 4:21 pm Sale | 2025-06-30 | 13G | ALDEYRA THERAPEUTICS, INC ALDX | Perceptive Advisors LLC | 4,051,631 6.800% | -824,220 (-16.90%) | Filing |
| 2025-04-07 6:52 pm Sale | 2025-04-03 | 13G | ALDEYRA THERAPEUTICS, INC ALDX | Perceptive Advisors LLC | 4,875,851 8.200% | -4,400,000 (-47.44%) | Filing |
| 2024-11-14 4:50 pm Purchase | 2024-09-30 | 13G | ALDEYRA THERAPEUTICS, INC ALDX | Perceptive Advisors LLC | 9,275,851 15.600% | 682,265 (+7.94%) | Filing |
| 2024-02-14 4:52 pm Unchanged | 2023-12-31 | 13G | ALDEYRA THERAPEUTICS, INC ALDX | Perceptive Advisors LLC | 8,593,586 14.600% | 0 (Unchanged) | Filing |
| 2023-10-18 6:07 pm Sale | 2023-10-16 | 13G | ALDEYRA THERAPEUTICS, INC ALDX | Perceptive Advisors LLC | 8,593,586 14.700% | -2,756,499 (-24.29%) | Filing |
| 2023-02-14 2:33 pm Purchase | 2022-12-31 | 13G | ALDEYRA THERAPEUTICS, INC ALDX | Perceptive Advisors LLC | 11,350,085 19.400% | 1,446,206 (+14.60%) | Filing |
| 2022-02-14 3:45 pm Purchase | 2021-12-31 | 13G | ALDEYRA THERAPEUTICS, INC ALDX | Perceptive Advisors LLC | 9,903,879 17.000% | 1,200,000 (+13.79%) | Filing |