ALDX's three largest insider shareholders as of March 23, 2026 are Advisors Llc Perceptive (TenPercentOwner, 5.88Mn shares), Todd C Brady (President And Ceo, 1.47Mn shares), Joshua Reed (Chief Financial Officer, 274.82K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Advisors Llc Perceptive | 0 | 5,875,851 | 07 Apr, 2025 | |
| Todd C Brady | President And Ceo | 1,471,298 | 0 | 12 Mar, 2024 |
| Joshua Reed | Chief Financial Officer | 274,825 | 0 | 01 Apr, 2022 |
| Stephen Machatha | Chief Development Officer | 221,799 | 0 | 13 Aug, 2025 |
| Richard Douglas | 195,000 | 0 | 20 Mar, 2026 | |
| Bruce Greenberg | See Remarks | 126,382 | 0 | 14 Aug, 2024 |
| Ben Bronstein | 28,248 | 0 | 29 Jun, 2023 | |
| Martin Joseph Joyce | 23,967 | 0 | 27 Jun, 2022 | |
| Neal Walker | 15,854 | 0 | 24 Aug, 2023 | |
| Gary M. Phillips | 14,812 | 0 | 11 Sep, 2023 | |
| Michael Alfieri | Principal Financial Officer | 7,500 | 0 | 19 Mar, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 19 Mar, 2026 | Richard Douglas | Common Stock | A | 70,000 | $1.40 | 195,000 | D | P |
| 18 Mar, 2026 | Michael Alfieri | Common Stock | A | 5,000 | $1.42 | 7,500 | D | P |
| 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 |
| 10 Jun, 2025 | Ben Bronstein | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Neal Walker | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Martin Joseph Joyce | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Richard Douglas | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Gary M. Phillips | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Nancy Miller-Rich | Stock Option (Right to Buy) | A | 62,728 | $0.00 | 62,728 | D | A |
| 10 Jun, 2025 | Ben Bronstein | Stock Option (Right to Buy) | A | 3,619 | $0.00 | 3,619 | D | A |
| 10 Jun, 2025 | Neal Walker | Stock Option (Right to Buy) | A | 2,413 | $0.00 | 2,413 | D | A |
| 10 Jun, 2025 | Richard Douglas | Stock Option (Right to Buy) | A | 14,476 | $0.00 | 14,476 | D | A |
| 10 Jun, 2025 | Martin Joseph Joyce | Stock Option (Right to Buy) | A | 1,689 | $0.00 | 1,689 | D | A |
| 10 Jun, 2025 | Gary M. Phillips | Stock Option (Right to Buy) | A | 4,825 | $0.00 | 4,825 | D | A |
| 10 Jun, 2025 | Nancy Miller-Rich | Stock Option (Right to Buy) | A | 2,413 | $0.00 | 2,413 | D | A |
| 10 Jun, 2025 | Gary M. Phillips | Stock Option (Right to Buy) | A | 3,619 | $0.00 | 3,619 | D | A |
| 10 Jun, 2025 | Martin Joseph Joyce | Stock Option (Right to Buy) | A | 7,238 | $0.00 | 7,238 | D | A |
| 10 Jun, 2025 | Richard Douglas | Stock Option (Right to Buy) | A | 1,689 | $0.00 | 1,689 | D | A |
| 10 Jun, 2024 | Ben Bronstein | Stock Option (Right to Buy) | A | 3,860 | $0.00 | 3,860 | D | A |