Aldeyra Therapeutics, Inc. (ALDX)

Latest Insider Confidence Score

2025Q4

50.0
Bullish

Company insider confidence (by quarter)

2014Q2 2025Q4

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Perceptive Advisors Llc 10% Owner 5,875,851 Apr 7, 2025
Perceptive Life Sciences Master Fund Ltd 10% Owner 5,875,851 Apr 7, 2025
Edelman Joseph 10% Owner 5,875,851 Apr 7, 2025
Brady Todd C CEO 1,081,201 Mar 12, 2024
Reed Joshua CFO 250,000 Apr 1, 2022

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Aug 13, 2025 Aug 15, 2025 Alfieri Michael Principal Financial Officer Buy 91.3 +2,500 100.00% ✗ $13.3K
Aug 11, 2025 Aug 13, 2025 Machatha Stephen Chief Development Officer Sell 42.5 -22,073 -9.05% ✗ $113.7K
Jun 10, 2025 Jun 12, 2025 Walker Neal Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2025 Jun 12, 2025 Miller-Rich Nancy Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2025 Jun 12, 2025 Bronstein Ben Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2025 Jun 12, 2025 JOYCE MARTIN JOSEPH Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2025 Jun 12, 2025 DOUGLAS RICHARD Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2025 Jun 12, 2025 Phillips Gary M. Director Neutral 52.5 - 0.00% ✗ -
Apr 17, 2025 Apr 18, 2025 Clark William D Director Neutral 52.5 - 0.00% ✗ -
Apr 18, 2025 Clark William D Director Neutral 52.5 - 0.00% ✗ -
Apr 3, 2025 Apr 7, 2025 PERCEPTIVE ADVISORS LLC 10% Owner Sell 17.5 -3,400,000 -36.65% ✗ $4.8M
Mar 4, 2025 Mar 6, 2025 Brady Todd C CEO Neutral 52.5 - 0.00% ✗ -
Mar 4, 2025 Mar 6, 2025 Machatha Stephen Chief Development Officer Neutral 52.5 - 0.00% ✗ -
May 3, 2021 Oct 21, 2024 Miller-Rich Nancy Director Buy 91.3 +922 100.00% ✗ $10.4K
Sep 10, 2024 Alfieri Michael Principal Financial Officer Neutral 52.5 - 0.00% ✗ -
Aug 12, 2024 Aug 14, 2024 Machatha Stephen Chief Development Officer Sell 42.5 -16,041 -6.35% ✗ $76K
Aug 12, 2024 Aug 14, 2024 Greenberg Bruce Officer Sell 42.5 -10,834 -7.90% ✗ $51.3K
Jun 4, 2024 Jun 6, 2024 DOUGLAS RICHARD Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2024 Jun 6, 2024 JOYCE MARTIN JOSEPH Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2024 Jun 6, 2024 Walker Neal Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2024 Jun 6, 2024 Miller-Rich Nancy Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2024 Jun 6, 2024 Bronstein Ben Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2024 Jun 6, 2024 Phillips Gary M. Director Neutral 52.5 - 0.00% ✗ -
Mar 12, 2024 Apr 17, 2024 Machatha Stephen Chief Development Officer Sell 46.3 -11,537 -4.36% ✗ $36.5K
Mar 11, 2024 Apr 17, 2024 Greenberg Bruce Officer Sell 46.3 -13,201 -9.21% ✗ $45K
Apr 4, 2024 Apr 8, 2024 PERCEPTIVE ADVISORS LLC 10% Owner Buy 85.0 +177,993 1.96% ✗ $833.9K
Apr 1, 2024 Apr 3, 2024 PERCEPTIVE ADVISORS LLC 10% Owner Buy 95.0 +504,272 5.87% ✗ $1.9M
Mar 11, 2024 Mar 12, 2024 Greenberg Bruce Officer Sell 46.3 -13,201 -9.86% ✗ $45K
Mar 11, 2024 Mar 12, 2024 Machatha Stephen Chief Development Officer Sell 42.5 -29,768 -10.89% ✗ $98.6K
Mar 11, 2024 Mar 12, 2024 Brady Todd C CEO Sell 40.0 -183,238 -11.07% ✗ $580.8K
Oct 16, 2023 Oct 18, 2023 PERCEPTIVE ADVISORS LLC 10% Owner Sell 17.5 -2,756,499 -24.29% ✗ $4.5M
Sep 7, 2023 Sep 11, 2023 Brady Todd C CEO Sell 40.0 -73,807 -4.27% ✗ $532.9K
Sep 7, 2023 Sep 11, 2023 Phillips Gary M. Director Neutral 52.5 - 0.00% ✗ -
Aug 22, 2023 Aug 24, 2023 Walker Neal Director Neutral 52.5 - 0.00% ✗ -
Jun 30, 2023 Jul 5, 2023 JOYCE MARTIN JOSEPH Director Neutral 52.5 - 0.00% ✗ -
Jun 30, 2023 Jul 5, 2023 Phillips Gary M. Director Neutral 52.5 - 0.00% ✗ -
Jun 30, 2023 Jul 5, 2023 Miller-Rich Nancy Director Neutral 52.5 - 0.00% ✗ -
Jun 30, 2023 Jul 5, 2023 Bronstein Ben Director Neutral 52.5 - 0.00% ✗ -
Jun 30, 2023 Jul 5, 2023 DOUGLAS RICHARD Director Neutral 52.5 - 0.00% ✗ -
Jun 30, 2023 Jul 5, 2023 Walker Neal Director Neutral 52.5 - 0.00% ✗ -
Jun 27, 2023 Jun 29, 2023 Bronstein Ben Director Neutral 52.5 - 0.00% ✗ -
Feb 28, 2023 Mar 2, 2023 Machatha Stephen Chief Development Officer Neutral 52.5 - 0.00% ✗ -
Feb 28, 2023 Mar 2, 2023 Greenberg Bruce Officer Neutral 52.5 - 0.00% ✗ -
Feb 28, 2023 Mar 2, 2023 Brady Todd C CEO Neutral 90.0 +238,750 19.63% ✗ -
Aug 9, 2022 Aug 11, 2022 PERCEPTIVE ADVISORS LLC 10% Owner Buy 85.0 +115,000 1.02% ✗ $867.8K
Aug 8, 2022 Aug 10, 2022 PERCEPTIVE ADVISORS LLC 10% Owner Buy 75.0 +97,000 0.87% ✗ $702.3K
Aug 5, 2022 Aug 9, 2022 PERCEPTIVE ADVISORS LLC 10% Owner Buy 85.0 +141,000 1.28% ✗ $980K
Aug 4, 2022 Aug 8, 2022 PERCEPTIVE ADVISORS LLC 10% Owner Buy 75.0 +95,100 0.87% ✗ $586.8K
Aug 3, 2022 Aug 5, 2022 PERCEPTIVE ADVISORS LLC 10% Owner Buy 75.0 +100,000 0.93% ✗ $584K
Aug 2, 2022 Aug 4, 2022 PERCEPTIVE ADVISORS LLC 10% Owner Buy 92.5 +412,406 3.97% ✗ $2.3M
Aug 1, 2022 Aug 3, 2022 PERCEPTIVE ADVISORS LLC 10% Owner Buy 85.0 +144,185 1.41% ✗ $728.1K
Jul 29, 2022 Aug 2, 2022 PERCEPTIVE ADVISORS LLC 10% Owner Buy 87.5 +222,123 2.22% ✗ $1.1M
Jul 28, 2022 Aug 1, 2022 PERCEPTIVE ADVISORS LLC 10% Owner Buy 85.0 +119,392 1.21% ✗ $597K
Jul 15, 2022 Jul 19, 2022 Brady Todd C CEO Neutral 52.5 - 0.00% ✗ -
Jul 15, 2022 Jul 19, 2022 Greenberg Bruce Officer Neutral 90.0 +126,087 1613.81% ✗ -
Jul 15, 2022 Jul 19, 2022 Machatha Stephen Chief Development Officer Neutral 90.0 +185,605 211.23% ✗ -
Jun 23, 2022 Jun 27, 2022 JOYCE MARTIN JOSEPH Director Buy 91.3 +4,323 22.01% ✗ $15K
Jun 23, 2022 Jun 27, 2022 Brady Todd C CEO Buy 82.5 +17,700 1.48% ✗ $59.5K
Jun 7, 2022 Jun 9, 2022 JOYCE MARTIN JOSEPH Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2022 Jun 9, 2022 Miller-Rich Nancy Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2022 Jun 9, 2022 Phillips Gary M. Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2022 Jun 9, 2022 Bronstein Ben Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2022 Jun 9, 2022 DOUGLAS RICHARD Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2022 Jun 9, 2022 Walker Neal Director Neutral 52.5 - 0.00% ✗ -
May 13, 2022 Greenberg Bruce Officer Neutral 52.5 - 0.00% ✗ -
Mar 30, 2022 Apr 1, 2022 Brady Todd C CEO Neutral 90.0 +250,000 26.35% ✗ -
Mar 30, 2022 Apr 1, 2022 Reed Joshua CFO Neutral 90.0 +93,322 51.42% ✗ -
Mar 30, 2022 Apr 1, 2022 Machatha Stephen Chief Development Officer Neutral 90.0 +64,395 274.32% ✗ -
Jun 8, 2021 Jun 10, 2021 DOUGLAS RICHARD Director Neutral 52.5 - 0.00% ✗ -
Jun 8, 2021 Jun 10, 2021 Phillips Gary M. Director Neutral 52.5 - 0.00% ✗ -
Jun 8, 2021 Jun 10, 2021 Miller-Rich Nancy Director Neutral 52.5 - 0.00% ✗ -
Jun 8, 2021 Jun 10, 2021 JOYCE MARTIN JOSEPH Director Neutral 52.5 - 0.00% ✗ -
Jun 8, 2021 Jun 10, 2021 Walker Neal Director Neutral 52.5 - 0.00% ✗ -
Jun 8, 2021 Jun 10, 2021 Bronstein Ben Director Neutral 52.5 - 0.00% ✗ -
May 3, 2021 May 4, 2021 PERCEPTIVE ADVISORS LLC 10% Owner Buy 100.0 +1,200,000 13.79% ✗ $15M
Apr 12, 2021 Apr 14, 2021 Reed Joshua CFO Neutral 52.5 - 0.00% ✗ -
Apr 12, 2021 Apr 14, 2021 Machatha Stephen Chief Development Officer Neutral 52.5 - 0.00% ✗ -
Apr 12, 2021 Apr 14, 2021 Brady Todd C CEO Neutral 85.0 +46,619 5.17% ✗ -
Jan 19, 2021 Jan 21, 2021 PERCEPTIVE ADVISORS LLC 10% Owner Buy 100.0 +1,368,421 18.65% ✗ $13M
Jan 7, 2021 Jan 11, 2021 PERCEPTIVE ADVISORS LLC 10% Owner Buy 100.0 +1,050,000 16.71% ✗ $9.2M
Dec 18, 2020 Machatha Stephen Chief Development Officer Neutral 52.5 - 0.00% ✗ -
Jul 9, 2020 Jul 13, 2020 PERCEPTIVE ADVISORS LLC 10% Owner Buy 100.0 +3,200,000 103.71% ✗ $13.6M
Jun 9, 2020 Jun 11, 2020 Bronstein Ben Director Neutral 52.5 - 0.00% ✗ -
Jun 9, 2020 Jun 11, 2020 Miller-Rich Nancy Director Neutral 52.5 - 0.00% ✗ -
Jun 9, 2020 Jun 11, 2020 DOUGLAS RICHARD Director Neutral 52.5 - 0.00% ✗ -
Jun 9, 2020 Jun 11, 2020 JOYCE MARTIN JOSEPH Director Neutral 52.5 - 0.00% ✗ -
Jun 9, 2020 Jun 11, 2020 Walker Neal Director Neutral 52.5 - 0.00% ✗ -
Jun 9, 2020 Jun 11, 2020 Phillips Gary M. Director Neutral 52.5 - 0.00% ✗ -
Jun 9, 2020 Jun 11, 2020 TREU JESSE I Director Neutral 52.5 - 0.00% ✗ -
Mar 16, 2020 Mar 17, 2020 DOUGLAS RICHARD Director Buy 95.0 +40,000 47.06% ✗ $110K
Mar 2, 2020 Mar 6, 2020 Reed Joshua CFO Neutral 90.0 +137,707 384.94% ✗ -
Mar 2, 2020 Mar 6, 2020 McMullin David Chief Commercial Officer Neutral 90.0 +247,480 3212.77% ✗ -
Mar 2, 2020 Mar 4, 2020 Reed Joshua CFO Neutral 90.0 +250,000 698.83% ✗ -
Mar 2, 2020 Mar 4, 2020 McMullin David Chief Commercial Officer Neutral 90.0 +250,000 3245.49% ✗ -
Mar 2, 2020 Mar 4, 2020 Brady Todd C CEO Neutral 90.0 +250,000 38.33% ✗ -
Jan 13, 2020 Jan 15, 2020 Miller-Rich Nancy Director Neutral 52.5 - 0.00% ✗ -
Jan 15, 2020 Miller-Rich Nancy Director Neutral 52.5 - 0.00% ✗ -
Dec 16, 2019 Dec 18, 2019 Brady Todd C CEO Buy 87.5 +20,000 3.16% ✗ $101.9K
Sep 30, 2019 Oct 2, 2019 Brady Todd C CEO Buy 78.8 +8,710 1.40% ✓ $49.5K
Sep 23, 2019 Sep 25, 2019 Brady Todd C CEO Buy 82.5 +8,680 1.41% ✓ $50.4K