ALDX · Aldeyra Therapeutics Inc. Common Stock
View on chartInsiders & Stakes
| PERCEPTIVE ADVISORS LLC Director | ▼ Sell | Open Market | 5,875,851 Shares held | 4/3/2025 | View profile |
| Todd C. Brady President and CEO | ▲ Buy | Open Market | 1,721,298 Shares held | 6/3/2026 | View profile |
| Reed Joshua SVP, Chief Financial Officer | ▲ Buy | Grant | 274,825 Shares held | 3/30/2022 | View profile |
| Stephen Machatha Chief Development Officer | ▼ Sell | Open Market | 221,799 Shares held | 8/11/2025 | View profile |
| Richard Douglas Director | ▲ Buy | Open Market | 195,000 Shares held | 3/19/2026 | View profile |
| Bruce Greenberg See Remarks | ▼ Sell | Open Market | 126,382 Shares held | 8/12/2024 | View profile |
| Bronstein Ben Director | ▲ Buy | Option Exercise | 28,248 Shares held | 6/27/2023 | View profile |
| JOYCE MARTIN JOSEPH Director | ▲ Buy | Open Market | 23,967 Shares held | 6/23/2022 | View profile |
| Walker Neal President and CEO | ▲ Buy | Option Exercise | 15,854 Shares held | 8/22/2023 | View profile |
| Gary M. Phillips | ▲ Buy | Option Exercise | 14,812 Shares held | 9/7/2023 | View profile |
| Michael Alfieri Principal Financial Officer | ▲ Buy | Open Market | 7,500 Shares held | 3/18/2026 | View profile |
| Nancy Miller-Rich | ▲ Buy | Open Market | 922 Shares held | 4/12/2023 | View profile |
Transaction History
| Todd C. Brady | ▲ Buy | Open Market | 250,000 | $418K | 6/3/2026 |
| Richard Douglas | ▲ Buy | Open Market | 70,000 | $98K | 3/19/2026 |
| Michael Alfieri | ▲ Buy | Open Market | 5,000 | $7K | 3/18/2026 |
| Michael Alfieri | ▲ Buy | Open Market | 2,500 | $13K | 8/13/2025 |
| Stephen Machatha | ▼ Sell | Open Market | 22,073 | $114K | 8/11/2025 |
| PERCEPTIVE ADVISORS LLC | ▼ Sell | Open Market | 3,400,000 | $4.8M | 4/3/2025 |
| Stephen Machatha | ▼ Sell | Open Market | 16,041 | $76K | 8/12/2024 |
| Bruce Greenberg | ▼ Sell | Open Market | 10,834 | $51K | 8/12/2024 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 37,712 | $179K | 4/5/2024 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 140,281 | $655K | 4/4/2024 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 309,847 | $1.3M | 4/3/2024 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 186,051 | $640K | 4/2/2024 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 8,374 | $27K | 4/1/2024 |
| Stephen Machatha | ▼ Sell | Open Market | 11,537 | $37K | 3/12/2024 |
| Todd C. Brady | ▼ Sell | Open Market | 85,324 | $260K | 3/12/2024 |
| Bruce Greenberg | ▼ Sell | Open Market | 13,201 | $45K | 3/11/2024 |
| Stephen Machatha | ▼ Sell | Open Market | 18,231 | $62K | 3/11/2024 |
| Todd C. Brady | ▼ Sell | Open Market | 97,914 | $321K | 3/11/2024 |
| PERCEPTIVE ADVISORS LLC | ▼ Sell | Open Market | 306,499 | $533K | 10/18/2023 |
| PERCEPTIVE ADVISORS LLC | ▼ Sell | Open Market | 2,450,000 | $3.9M | 10/16/2023 |
| Todd C. Brady | ▲ Buy | Option Exercise | 192,084 | $106K | 9/7/2023 |
| Todd C. Brady | ▲ Buy | Option Exercise | 32,953 | $18K | 9/7/2023 |
| Todd C. Brady | ▲ Buy | Option Exercise | 48,021 | $27K | 9/7/2023 |
| Todd C. Brady | ▼ Sell | Tax Withholding | 73,807 | $533K | 9/7/2023 |
| Gary M. Phillips | ▲ Buy | Option Exercise | 5,437 | $3K | 9/7/2023 |
| Walker Neal | ▲ Buy | Option Exercise | 9,604 | $5K | 8/22/2023 |
| Bronstein Ben | ▲ Buy | Option Exercise | 9,604 | $5K | 6/27/2023 |
| Nancy Miller-Rich | ▲ Buy | Open Market | 509 | $5K | 4/12/2023 |
| Todd C. Brady | ▲ Buy | Grant | 238,750 | $0 | 2/28/2023 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 15,000 | $118K | 8/10/2022 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 100,000 | $750K | 8/9/2022 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 97,000 | $702K | 8/8/2022 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 141,000 | $980K | 8/5/2022 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 95,100 | $587K | 8/4/2022 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 100,000 | $584K | 8/3/2022 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 412,406 | $2.3M | 8/2/2022 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 144,185 | $728K | 8/1/2022 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 222,123 | $1.1M | 7/29/2022 |
| PERCEPTIVE ADVISORS LLC | ▲ Buy | Open Market | 119,392 | $597K | 7/28/2022 |
| Bruce Greenberg | ▲ Buy | Grant | 126,087 | $0 | 7/15/2022 |
| Stephen Machatha | ▲ Buy | Grant | 185,605 | $0 | 7/15/2022 |
| Todd C. Brady | ▲ Buy | Open Market | 17,700 | $60K | 6/23/2022 |
| JOYCE MARTIN JOSEPH | ▲ Buy | Open Market | 4,323 | $15K | 6/23/2022 |
| Reed Joshua | ▲ Buy | Grant | 93,322 | $0 | 3/30/2022 |
| Todd C. Brady | ▲ Buy | Grant | 250,000 | $0 | 3/30/2022 |
| Stephen Machatha | ▲ Buy | Grant | 64,395 | $0 | 3/30/2022 |
| Nancy Miller-Rich | ▲ Buy | Open Market | 413 | $5K | 5/3/2021 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 28, 2026
Biotech Sector News Dominates; No Specific ALDX Updates
Recent news coverage focuses on clinical trial results for other biotechnology companies, such as ACAD and Vertex, rather than Aldeyra Therapeutics. There are no new company-specific announcements or trial updates for ALDX in the provided reports. The stock is currently trading near its 52-week low, reflecting broader sector sentiment rather than isolated corporate news.
Biotech Sector News Dominates; No Specific ALDX Updates. Recent news coverage focuses on clinical trial results for other biotechnology companies, such as ACAD and Vertex, rather than Aldeyra Therapeutics. There are no new company-specific announcements or trial updates for ALDX in the provided reports. The stock is currently trading near its 52-week low, reflecting broader sector sentiment rather than isolated corporate news.