Based on data from the past 90 days ending January 10, 2026, Aldeyra Therapeutics's three largest insider shareholders are TenPercentOwner Advisors Llc Perceptive (5.88Mn shares), President And Ceo Todd C Brady (1.47Mn shares), Chief Financial Officer Joshua Reed (274.82K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Advisors Llc Perceptive | 5,875,851 | 07 Apr, 2025 | |
| Todd C Brady | President And Ceo | 1,471,298 | 12 Mar, 2024 |
| Joshua Reed | Chief Financial Officer | 274,825 | 01 Apr, 2022 |
| Stephen Machatha | Chief Development Officer | 221,799 | 13 Aug, 2025 |
| Bruce Greenberg | Nan | 126,382 | 14 Aug, 2024 |
| Ben Bronstein | 28,248 | 29 Jun, 2023 | |
| Martin Joseph Joyce | 23,967 | 27 Jun, 2022 | |
| Neal Walker | 15,854 | 24 Aug, 2023 | |
| Gary M. Phillips | 14,812 | 11 Sep, 2023 | |
| Michael Alfieri | Principal Financial Officer | 2,500 | 15 Aug, 2025 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 13 Aug, 2025 | Michael Alfieri | Common Stock | A | 2,500 | $5.30 | 2,500 | D | P |
| 11 Aug, 2025 | Stephen Machatha | Common Stock | D | 22,073 | $5.15 | 221,799 | D | S |
| 03 Apr, 2025 | Advisors Llc Perceptive | - | - | 5,875,851 | I | |||
| 03 Apr, 2025 | Advisors Llc Perceptive | Common Stock | D | 3,400,000 | $1.42 | 5,875,851 | I | S |
| 12 Aug, 2024 | Stephen Machatha | Common Stock | D | 16,041 | $4.74 | 236,771 | D | S |
| 12 Aug, 2024 | Stephen Machatha | - | - | 236,771 | D | |||
| 12 Aug, 2024 | Bruce Greenberg | Common Stock | D | 10,834 | $4.74 | 126,382 | D | S |
| 05 Apr, 2024 | Advisors Llc Perceptive | Common Stock | A | 37,712 | $4.74 | 9,275,851 | I | P |
| 04 Apr, 2024 | Advisors Llc Perceptive | Common Stock | A | 140,281 | $4.67 | 9,238,139 | I | P |
| 03 Apr, 2024 | Advisors Llc Perceptive | Common Stock | A | 309,847 | $4.09 | 9,097,858 | I | P |
| 03 Apr, 2024 | Advisors Llc Perceptive | - | - | 9,097,858 | I | |||
| 02 Apr, 2024 | Advisors Llc Perceptive | Common Stock | A | 186,051 | $3.44 | 8,788,011 | I | P |
| 02 Apr, 2024 | Advisors Llc Perceptive | - | - | 8,788,011 | I | |||
| 01 Apr, 2024 | Advisors Llc Perceptive | Common Stock | A | 8,374 | $3.25 | 8,601,960 | I | P |
| 01 Apr, 2024 | Advisors Llc Perceptive | - | - | 8,601,960 | I | |||
| 12 Mar, 2024 | Todd C Brady | Common Stock | D | 85,324 | $3.05 | 1,471,298 | D | S |
| 12 Mar, 2024 | Todd C Brady | - | - | 1,471,298 | D | |||
| 12 Mar, 2024 | Stephen Machatha | Common Stock | D | 11,537 | $3.16 | 252,812 | D | S |
| 12 Mar, 2024 | Stephen Machatha | Common Stock | D | 11,537 | $3.16 | 243,495 | D | S |
| 11 Mar, 2024 | Todd C Brady | Common Stock | D | 97,914 | $3.27 | 1,556,622 | D | S |