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Aldeyra Therapeutics, Inc. (ALDX)

Aldeyra Therapeutics, Inc. (ALDX) Insider Trading

Directors, officers and holders of more than 10% of ALDX report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 44 most recent of 44 transactions on file: 6 with code P, 2 with code S and 36 with other codes.

DateInsiderCodeShares
Jun 9, 2026DOUGLAS RICHARDA Award19,909
Jun 9, 2026DOUGLAS RICHARDA Award2,323
Jun 9, 2026Phillips Gary M.A Award70,000
Jun 9, 2026Phillips Gary M.A Award6,636
Jun 9, 2026Phillips Gary M.A Award4,977
Jun 9, 2026Clark William DA Award70,000
Jun 9, 2026Clark William DA Award2,323
Jun 9, 2026Walker NealA Award70,000
Jun 9, 2026Walker NealA Award3,318
Jun 9, 2026Bronstein BenA Award5,309
Jun 9, 2026Bronstein BenA Award70,000
Jun 9, 2026Miller-Rich NancyA Award70,000
Jun 9, 2026Miller-Rich NancyA Award3,318
Jun 9, 2026DOUGLAS RICHARDA Award70,000
Jun 9, 2026Bronstein BenA Award4,977
Jun 9, 2026DEPTULA-HICKS DARLENE MA Award9,756
Jun 9, 2026DEPTULA-HICKS DARLENE MA Award84,557
Jun 3, 2026Brady Todd CP Purchase250,000
Mar 19, 2026DOUGLAS RICHARDP Purchase70,000
Mar 18, 2026Alfieri MichaelP Purchase5,000
Aug 13, 2025Alfieri MichaelP Purchase2,500
Aug 11, 2025Machatha StephenS Sale22,073
Jun 10, 2025Miller-Rich NancyA Award62,728
Jun 10, 2025Bronstein BenA Award62,728
Jun 10, 2025Bronstein BenA Award3,619
Jun 10, 2025JOYCE MARTIN JOSEPHA Award62,728
Jun 10, 2025JOYCE MARTIN JOSEPHA Award1,689
Jun 10, 2025JOYCE MARTIN JOSEPHA Award7,238
Jun 10, 2025Phillips Gary M.A Award62,728
Jun 10, 2025Phillips Gary M.A Award4,825
Jun 10, 2025Phillips Gary M.A Award3,619
Jun 10, 2025Walker NealA Award62,728
Jun 10, 2025Walker NealA Award2,413
Jun 10, 2025Miller-Rich NancyA Award2,413
Jun 10, 2025DOUGLAS RICHARDA Award62,728
Jun 10, 2025DOUGLAS RICHARDA Award14,476
Jun 10, 2025DOUGLAS RICHARDA Award1,689
Apr 17, 2025Clark William DA Award76,760
Apr 3, 2025PERCEPTIVE ADVISORS LLCS Sale3,400,000
Mar 4, 2025Brady Todd CA Award809,710
Mar 4, 2025Machatha StephenA Award202,427
Jun 10, 2024Bronstein BenA Award3,860
Apr 12, 2023Miller-Rich NancyP Purchase509
May 3, 2021Miller-Rich NancyP Purchase413

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.