7 insiders reported 8 Form 4 transactions for Aldeyra Therapeutics, Inc. (ALDX) over the past 18 months (most recent 2026-06-05). Recent activity: Brady Todd C (President and CEO) Buy 250,000 shares, DOUGLAS RICHARD (Director) Buy 70,000 shares, Alfieri Michael (Principal Financial Officer) Buy 5,000 shares, Alfieri Michael (Principal Financial Officer) Buy 2,500 shares, Machatha Stephen (Chief Development Officer) Sell 22,073 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-05 | Brady Todd C | President and CEO | Buy | 250,000 | $418,450 |
| 2026-03-20 | DOUGLAS RICHARD | Director | Buy | 70,000 | $98,000 |
| 2026-03-19 | Alfieri Michael | Principal Financial Officer | Buy | 5,000 | $7,100 |
| 2025-08-15 | Alfieri Michael | Principal Financial Officer | Buy | 2,500 | $13,250 |
| 2025-08-13 | Machatha Stephen | Chief Development Officer | Sell | 22,073 | $113,676 |
| 2025-04-07 | EDELMAN JOSEPH | Insider | Sell | 3.4M | $4.8M |
| 2025-04-07 | PERCEPTIVE ADVISORS LLC | Insider | Sell | 3.4M | $4.8M |
| 2025-04-07 | PERCEPTIVE LIFE SCIENCES MASTER FUND LTD | Insider | Sell | 3.4M | $4.8M |
Source: SEC Form 4 filings · as of 2026-06-05