Aldeyra Therapeutics, Inc.
ALDX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001341235
No open-market purchases or sales by Aldeyra Therapeutics, Inc. insiders were filed in the last 90 days; 107 institutions reported holding it in 13F filings for Q2 2026, worth $78.2M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Aldeyra Therapeutics, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Aldeyra Therapeutics, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Douglas Richard | Director | 195,000 | Jun 11, 2026 | 2 |
| Deptula-Hicks Darlene M | Director | – | Jun 11, 2026 | 1 |
| Phillips Gary M. | Director | 14,812 | Jun 11, 2026 | 1 |
| Clark William D | Director | – | Jun 11, 2026 | 1 |
| Walker Neal | Director | 15,854 | Jun 11, 2026 | 1 |
| Bronstein Ben | Director | 28,248 | Jun 11, 2026 | 1 |
| Miller-Rich Nancy | Director | 922 | Jun 11, 2026 | 1 |
| Brady Todd C | President and CEO | 1,721,298 | Jun 5, 2026 | 2 |
| Alfieri Michael | Principal Financial Officer | 7,500 | Mar 19, 2026 | 1 |
| Machatha Stephen | Chief Development Officer | 221,799 | Aug 13, 2025 | 0 |
| Joyce Martin Joseph | Director | 23,967 | Jun 12, 2025 | 0 |
| Edelman Joseph | 10% Owner | 5,875,851Indirect | Apr 7, 2025 | 0 |
| Perceptive Advisors LLC | 10% Owner | 5,875,851Indirect | Apr 7, 2025 | 0 |
| Perceptive Life Sciences Master Fund Ltd | 10% Owner | 5,875,851Indirect | Apr 7, 2025 | 0 |
| Greenberg Bruce | See Remarks | 126,382 | Aug 14, 2024 | 0 |
| Reed Joshua | Chief Financial Officer | 274,825 | Apr 1, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 5, 2026 (view filing) | Jun 3 | 2 days | Brady Todd CPresident and CEO | PPurchase | +250.0K | $1.67 | +$417.5K | +17.0%1.72M after | |
| Mar 20, 2026 (view filing) | Mar 19 | 1 day | Douglas RichardDirector | PPurchase | +70.0K | $1.40 | +$98.0K | +56.0%195.0K after | |
| Mar 19, 2026 (view filing) | Mar 18 | 1 day | Alfieri MichaelPrincipal Financial Officer | PPurchase | +5.00K | $1.42 | +$7.10K | +200.0%7.50K after | |
| Aug 15, 2025 (view filing) | Aug 13 | 2 days | Alfieri MichaelPrincipal Financial Officer | PPurchase | +2.50K | $5.30 | +$13.3K | New position2.50K after | |
| Aug 13, 2025 (view filing) | Aug 11 | 2 days | Machatha StephenChief Development Officer | SSale | −22.1K | $5.15 | −$113.7K | −9.1%221.8K after | |
| Apr 7, 2025 (view filing)6:43 PM ET | Apr 3 | 4 days | Edelman Joseph and 2 others10% Owner | SSale | −3.40M | $1.42 | −$4.83M | −36.7%5.88M after | |
| Oct 21, 2024 (view filing) | May 3, 2021-Apr 12, 2023 | 1,267 daysLate | Miller-Rich NancyDirector | PPurchase | +922 | $11.33 | +$10.4K | New position922 after | 2 lots |
| Aug 14, 2024 (view filing) | Aug 12 | 2 days | Machatha StephenChief Development Officer | SSale | −16.0K | $4.74 | −$76.0K | −6.3%236.8K after | |
| Aug 14, 2024 (view filing) | Aug 12 | 2 days | Greenberg BruceSee Remarks | SSale | −10.8K | $4.74 | −$51.4K | −7.9%126.4K after | |
| Apr 17, 2024 (view filing) | Mar 12 | 36 days | Machatha StephenChief Development Officer | SSale | −11.5K | $3.16 | −$36.5K | −4.4%252.8K after | Amended |
| Apr 17, 2024 (view filing) | Mar 11 | 37 days | Greenberg BruceSee Remarks | SSale | −13.2K | $3.41 | −$45.0K | −9.2%130.2K after | Amended |
| Apr 8, 2024 (view filing)5:32 PM ET | Apr 4-5 | 4 days | Edelman Joseph and 2 others10% Owner | PPurchase | +178.0K | $4.68 | +$833.9K | +2.0%9.28M after | 2 lots |
| Apr 3, 2024 (view filing)5:22 PM ET | Apr 1-3 | 2 days | Edelman Joseph and 2 others10% Owner | PPurchase | +504.3K | $3.84 | +$1.93M | +5.9%9.10M after | 3 lots |
| Mar 12, 2024 (view filing) | Mar 11-12 | 1 day | Brady Todd CPresident and CEO | SSale | −183.2K | $3.17 | −$580.4K | −11.1%1.47M after | 2 lots |
| Oct 18, 2023 (view filing)5:15 PM ET | Oct 16-18 | 2 days | Edelman Joseph and 2 others10% Owner | SSale | −2.76M | $1.62 | −$4.45M | −24.3%8.59M after | 2 lots |
| Aug 11, 2022 (view filing)4:08 PM ET | Aug 9-10 | 2 days | Edelman Joseph and 2 others10% Owner | PPurchase | +115.0K | $7.55 | +$867.8K | +1.0%11.4M after | 2 lots |
| Aug 10, 2022 (view filing)4:10 PM ET | Aug 8 | 2 days | Edelman Joseph and 2 others10% Owner | PPurchase | +97.0K | $7.24 | +$702.3K | +0.9%11.2M after | |
| Aug 9, 2022 (view filing)4:08 PM ET | Aug 5 | 4 days | Edelman Joseph and 2 others10% Owner | PPurchase | +141.0K | $6.95 | +$980.0K | +1.3%11.1M after | |
| Aug 8, 2022 (view filing)4:09 PM ET | Aug 4 | 4 days | Edelman Joseph and 2 others10% Owner | PPurchase | +95.1K | $6.17 | +$586.8K | +0.9%11.0M after | |
| Aug 5, 2022 (view filing)4:10 PM ET | Aug 3 | 2 days | Edelman Joseph and 2 others10% Owner | PPurchase | +100.0K | $5.84 | +$584.0K | +0.9%10.9M after | |
| Aug 4, 2022 (view filing)4:10 PM ET | Aug 2 | 2 days | Edelman Joseph and 2 others10% Owner | PPurchase | +412.4K | $5.59 | +$2.31M | +4.0%10.8M after | |
| Aug 3, 2022 (view filing)5:16 PM ET | Aug 1 | 2 days | Edelman Joseph and 2 others10% Owner | PPurchase | +144.2K | $5.05 | +$728.1K | +1.4%10.4M after | |
| Aug 2, 2022 (view filing)4:27 PM ET | Jul 29 | 4 days | Edelman Joseph and 2 others10% Owner | PPurchase | +222.1K | $5.03 | +$1.12M | +2.2%10.2M after | |
| Aug 1, 2022 (view filing)5:37 PM ET | Jul 28 | 4 days | Edelman Joseph and 2 others10% Owner | PPurchase | +119.4K | $5.00 | +$597.0K | +1.2%10.0M after | |
| Jun 27, 2022 (view filing) | Jun 23 | 4 days | Joyce Martin JosephDirector | PPurchase | +4.32K | $3.48 | +$15.0K | +22.0%24.0K after | |
| Jun 27, 2022 (view filing) | Jun 23 | 4 days | Brady Todd CPresident and CEO | PPurchase | +17.7K | $3.36 | +$59.5K | +1.5%1.22M after |