$1.17-0.12|(-9.30%)
52W H: 5.9352W L: 1.07Beta: 1.21

About Aldeyra Therapeutics Inc

Frequently Asked Questions

What is the 52-week range for ALDX?

The 52-week high is $5.93 and the 52-week low is $1.07.

What is the P/E ratio for ALDX?

The P/E ratio data is currently unavailable.

What is the dividend yield for ALDX?

This company does not currently pay a dividend or the data is unavailable.

What is the Return on Equity (ROE)?

The trailing twelve months (TTM) Return on Equity is -53.14%.

What is the Net Profit Margin?

Net Margin data is currently unavailable.

What is the Price to Book (P/B) Ratio?

The annual Price to Book ratio stands at 7.04.

Analyst Recommendation Trends

Wall Street analyst consensus for ALDX over the last few months:

2026-09-01
Buy: 5
S.Buy: 5
Hold: 2
Sell: 0
2026-08-01
Buy: 5
S.Buy: 5
Hold: 2
Sell: 0
2026-07-01
Buy: 5
S.Buy: 5
Hold: 2
Sell: 0
2026-06-01
Buy: 5
S.Buy: 5
Hold: 2
Sell: 0

Latest ALDX News

Novo's Wegovy Pill Shows Weight Loss After Switching From Injections

NVO's Wegovy pill delivers an average weight loss of 4.1% after three months for adults switching from injectable GLP-1 therapies.

Yahoo10/1/2026

HC Wainwright & Co. Reiterates Neutral on Aldeyra Therapeutics, Maintains $2 Price Target

HC Wainwright & Co. analyst Matthew Caufield reiterates Aldeyra Therapeutics (NASDAQ:ALDX) with a Neutral and maintains $2 price target.

Benzinga9/30/2026

What's going on in today's after hours session

After the closing bell on Tuesday, let's take a glimpse of the US markets and explore the top gainers and losers in today's after-hours session.

ChartMill9/29/2026

Aldeyra to Appeal FDA Rejection of Reproxalap for Dry Eye Disease

Aldeyra Therapeutics (NASDAQ:ALDX) said it plans to submit a formal dispute resolution request, or FDRR, to the FDA’s Office of New Drugs seeking review of the agency’s latest complete response letter for reproxalap, its investigational treatment for the signs and symptoms of dry eye disease. The c

Yahoo9/29/2026

Aldeyra Therapeutics Plans Formal FDA Dispute Resolution Request for Reproxalap After Third Complete Response Letter

Aldeyra Therapeutics intends to formally challenge the FDA’s March 2026 rejection of reproxalap for dry eye disease, with a Formal Dispute Resolution Request and meeting with the agency’s Office of New Drugs expected in the fourth quarter of 2026. Key Investor TakeawaysAldeyra Therapeutics (NASDAQ:ALDX) plans to submit a Formal Dispute Resolution Request seeking to appeal the FDA’s March 16, 2026 Complete Response Letter for reproxalap.

Yahoo9/29/2026

Aldeyra Fights Back Against FDA Rejection, Dispute Plan Triggers Rally

Aldeyra Therapeutics stock surges as the company files an FDA dispute resolution for its dry eye drug reproxalap following a rejection.

Benzinga9/29/2026

Merck Inks $2.1B Deal With Chinese Biotech to Expand Oncology Pipeline

MRK's $2.13 billion deal for SPR2015 adds a preclinical KRAS G12D inhibitor to its precision oncology pipeline, targeting a common cancer mutation.

Yahoo9/29/2026

Acadia's Daybue Patent Allowance Extends U.S. Protection to March 2041

ACAD gains a potential patent extension for Daybue to 2041, while strong sales growth and EU approval expand trofinetide's reach.

Yahoo9/29/2026

Aldeyra Therapeutics, Inc. (ALDX) Discusses FDRR and FDA Review Process for Reproxalap in Dry Eye Disease Transcript

Aldeyra Therapeutics, Inc. (ALDX) Discusses FDRR and FDA Review Process for Reproxalap in Dry Eye Disease September 29, 2026 8:00 AM EDTCompany...

SeekingAlpha9/29/2026

BTIG Reiterates Buy on Aldeyra Therapeutics, Maintains $9 Price Target

BTIG analyst Thomas Shrader reiterates Aldeyra Therapeutics (NASDAQ:ALDX) with a Buy and maintains $9 price target.

Benzinga9/29/2026

Aldeyra Therapeutics Announces Intent to Submit Formal Dispute Resolution Request for Reproxalap to Treat Dry Eye Disease

CONCORD, Mass., September 29, 2026--Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a biotechnology company devoted to discovering and developing innovative therapies designed to treat immune-mediated diseases, today announced intent to submit to the U.S. Food and Drug Administration (FDA) a Formal Dispute Resolution Request (FDRR) for reproxalap, an investigational drug candidate, for the treatment of dry eye disease. The FDRR, which is expected to be reviewed by the FDA’s Office of New Dr

Yahoo9/29/2026

Aldeyra Therapeutics to Host Regulatory Update Webcast

CONCORD, Mass., September 28, 2026--Aldeyra Therapeutics, Inc. (Nasdaq: ALDX) (Aldeyra), a biotechnology company devoted to discovering and developing innovative therapies designed to treat immune-mediated diseases, today announced that the company will host a regulatory update webcast on Tuesday, September 29, 2026, at 8:00 a.m. ET. The update will focus on reproxalap, an investigational drug for the treatment of dry eye disease.

Yahoo9/28/2026

ACAD Stock Down 13% as Phase II Alzheimer's Study Misses Primary Goal

Acadia stock falls 13% after its Alzheimer's psychosis study narrowly misses its primary goal, though 60 mg results support continued phase III development.

Yahoo9/25/2026

IMVT Ends Cutaneous Lupus Erythematosus Program, Stock Down

Immunovant's IMVT-1402 misses its primary CLE goal, prompting the company to halt the program despite positive trends and a favorable safety profile.

Yahoo9/24/2026

ORKA Stock Down 5% Despite Positive Week 28 Psoriasis Efficacy Data

Oruka's ORKA-001 delivers deeper psoriasis clearance at week 28, but safety disclosures may have weighed on shares despite positive efficacy data.

Yahoo9/24/2026

Vertex Posts Positive Phase II Data on Kidney Disease Drug

VRTX announces positive AMPLIFIED data for inaxaplin, while completing AMPLITUDE enrollment and targeting interim results in early 2027.

Yahoo9/23/2026

AstraZeneca's Trixeo Secures Approval for Asthma in the EU

AZN's Trixeo wins EU approval for asthma, adding an indication backed by phase III data showing improved lung function.

Yahoo9/23/2026

AbbVie's Rinvoq Wins EU Approval in Juvenile Idiopathic Arthritis

ABBV's Rinvoq secures EU approval for pJIA in children, expanding ABBV's reach as clinical data show sustained improvements in disease activity.

Yahoo9/22/2026

Novo's CagriSema Outshines Zepbound in Key Phase III Weight-Loss Study

NVO's CagriSema delivers greater weight loss than Eli Lilly's tirzepatide in T2D and 21% weight loss in obesity, strengthening its late-stage pipeline.

Yahoo9/22/2026

AZN's Klygefa Gets CHMP Nod for Generalised Myasthenia Gravis in EU

AstraZeneca's Klygefa wins a positive EU recommendation for AChR-positive gMG, backed by phase III data and a convenient once-weekly treatment option.

Yahoo9/21/2026

Novo's Sogroya Gains CHMP Nod for Idiopathic Short Stature in the EU

NVO's Sogroya wins a positive CHMP opinion for idiopathic short stature in the EU, potentially broadening its pediatric growth disorder reach.

Yahoo9/21/2026

Novo's Denecimig Gets CHMP Nod for Hemophilia A in the European Union

NVO's denecimig wins a positive European opinion for hemophilia A, with flexible dosing and a potential 2026 launch.

Yahoo9/18/2026

XENE Files NDA for Epilepsy Drug, Falls on Depression Studies' Setback

Xenon files an FDA application for azetukalner in epilepsy as its depression studies face a temporary enrollment pause.

Yahoo9/18/2026

RARE Stock Up 13% on FDA Approval of Sanfilippo Syndrome Gene Therapy

Ultragenyx jumps 13% after FDA approval of Fayuvi, the first approved treatment for Sanfilippo syndrome Type A, backed by durable clinical data.

Yahoo9/18/2026

Kiniksa Pharmaceuticals Stock Rallies 41% in Three Months: Here's Why

KNSA is gaining momentum as Arcalyst sales surge and pipeline advances strengthen prospects for continued growth.

Yahoo9/17/2026

Novo Expands AI Push With Anthropic Deal to Accelerate Drug Discovery

NVO is expanding its AI strategy with Anthropic to tackle drug discovery challenges, boost R&D productivity and develop new medicines faster.

Yahoo9/17/2026

Gilead Expands Lenacapavir Access With New PAHO Deal in Latin America

GILD's PAHO deal expands twice-yearly lenacapavir access across Latin America and the Caribbean, adding 14 countries to its global access strategy.

Yahoo9/16/2026

GSK Inks $750M Deal to Add Experimental Blood Cancer Therapy

GSK's $750M Chimagen deal adds a trispecific TCE to its multiple myeloma portfolio, targeting two tumor antigens simultaneously.

Yahoo9/15/2026

Definium Reports Second Phase III Success in Anxiety Disorder Program

DFTX scores a second phase III GAD win as DT120 ODT delivers significant anxiety improvements, paving the way for FDA talks and a planned 2027 regulatory filing.

Yahoo9/15/2026

GSK Presents Jideytro Data for Potential Use in First-Line NSCLC

GSK's Jideytro delivers strong first-line NSCLC results, with high response rates and durable disease control supporting a planned FDA filing.

Yahoo9/14/2026

AbbVie's Atogepant Meets Goal in Late-Stage Menstrual Migraine Study

ABBV's atogepant delivers positive LUNA data in menstrual migraine, potentially expanding its migraine franchise and addressing an unmet need.

Yahoo9/11/2026

Bayer Secures FDA Nod for Sevabertinib's First-Line Use in NSCLC

BAYRY's sevabertinib wins first-line NSCLC approval. The company advances BAY 3670549 into a phase II AFib study.

Yahoo9/10/2026

Spyre's Anti-IL-23 Antibody Meets Goal in Ulcerative Colitis Study

SYRE's SPY003 posts positive phase II UC data, strengthening Spyre's multi-mechanism IBD strategy.

Yahoo9/9/2026

Verastem Stock Skyrockets 121% in 3 Months: Here Is Why

VSTM shares surge 121% as Avmapki Fakzynja Co-Pack gains commercial traction and VS-7375 advances across key cancer studies.

Yahoo9/8/2026

CAPR Stock Skyrockets 144% in a Month: What Is Driving the Rally?

Capricor shares jump in a month as positive phase III data and renewed FDA engagement revive hopes for deramiocel approval in DMD.

Yahoo9/7/2026

SMMT Stock Soars on NSCLC Drug Survival Data Beating Keytruda in China

Summit Therapeutics stock jumps 17% after ivonescimab showed a significant overall survival benefit over Keytruda in a China phase III lung cancer study.

Yahoo9/4/2026

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Recent Insider Transactions

DateNameShares ChangedPriceValue
2026-06-09Miller-Rich Nancy+3,318--
2026-06-09Miller-Rich Nancy+70,000--
2026-06-09Clark William D+2,323--
2026-06-09Clark William D+70,000--
2026-06-09Walker Neal+3,318--
2026-06-09Walker Neal+70,000--
2026-06-09Bronstein Ben+4,977--
2026-06-09Bronstein Ben+5,309--
2026-06-09Bronstein Ben+70,000--
2026-06-09Phillips Gary M.+4,977--
2026-06-09Phillips Gary M.+6,636--
2026-06-09Phillips Gary M.+70,000--
2026-06-09DEPTULA-HICKS DARLENE M+9,756--
2026-06-09DEPTULA-HICKS DARLENE M+84,557--
2026-06-09DOUGLAS RICHARD+2,323--
2026-06-09DOUGLAS RICHARD+19,909--
2026-06-09DOUGLAS RICHARD+70,000--
2026-06-03Brady Todd C+250,000$1.6738$418,450
2026-03-27Brady Todd C+632,318--
2026-03-27Brady Todd C+1,880,510--
2026-03-19DOUGLAS RICHARD+70,000$1.4$98,000
2026-03-18Alfieri Michael+5,000$1.42$7,100