1.63
price down icon7.39%   -0.13
after-market After Hours: 1.72 0.09 +5.52%
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Aldeyra Therapeutics Inc stock is traded at $1.63, with a volume of 946.33K. It is down -7.39% in the last 24 hours and down -5.23% over the past month. Aldeyra Therapeutics Inc is a biotechnology company engaged in developing and commercializing next-generation medicines to improve the lives of patients with immune-mediated and metabolic diseases. The company's product candidate, Reproxalap, is a treatment in late-stage development for dry eye disease and allergic conjunctivitis. In addition, it also has additional product candidates in development for proliferative vitreoretinopathy, primary vitreoretinal lymphoma, and other retinal diseases, autoimmune disease, and cancer. Company products includes ADX248, ADX743, ADX631, ADX246, ADX629, ADX2191.
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Previous Close:
$1.76
Open:
$1.76
24h Volume:
946.33K
Relative Volume:
0.32
Market Cap:
$98.32M
Revenue:
-
Net Income/Loss:
$-27.37M
P/E Ratio:
-3.5808
EPS:
-0.4552
Net Cash Flow:
$-25.99M
1W Performance:
-6.86%
1M Performance:
-5.23%
6M Performance:
-65.32%
1Y Performance:
-33.47%
1-Day Range:
Value
$1.615
$1.76
1-Week Range:
Value
$1.58
$1.93
52-Week Range:
Value
$1.07
$6.175

Aldeyra Therapeutics Inc Stock (ALDX) Company Profile

Name
Name
Aldeyra Therapeutics Inc
Name
Phone
781-761-4904
Name
Address
131 HARTWELL AVENUE, LEXINGTON, MA
Name
Employee
7
Name
Twitter
@aldeyraaldx
Name
Next Earnings Date
2026-05-13
Name
Latest SEC Filings
Name
ALDX's Discussions on Twitter

Compare ALDX vs VRTX, REGN, ARGX, ALNY, RVMD

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
ALDX icon
ALDX
Aldeyra Therapeutics Inc
1.63 106.17M 0 -27.37M -25.99M -0.4552
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
446.83 112.12B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
635.45 65.92B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
891.32 52.38B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
303.05 40.54B 4.29B 577.22M 641.34M 4.2086
RVMD icon
RVMD
Revolution Medicines Inc
149.23 33.10B 742.00K -1.37B -1.07B -7.0731

Aldeyra Therapeutics Inc Stock (ALDX) Upgrades & Downgrades

Date Action Analyst Rating Change
Mar-18-26 Downgrade H.C. Wainwright Buy → Neutral
Apr-03-24 Upgrade Oppenheimer Perform → Outperform
Apr-02-24 Resumed H.C. Wainwright Buy
Apr-27-22 Resumed H.C. Wainwright Buy
Feb-08-21 Initiated H.C. Wainwright Buy
Dec-16-20 Initiated Berenberg Buy
Oct-30-20 Initiated Jefferies Buy
Oct-16-20 Initiated BTIG Research Buy
Sep-22-20 Initiated Alliance Global Partners Buy
May-12-20 Initiated Oppenheimer Outperform
Dec-04-18 Initiated Citigroup Buy
Sep-26-18 Reiterated Cantor Fitzgerald Overweight
Sep-13-18 Initiated Janney Buy
Jan-26-18 Initiated Seaport Global Securities Buy
Sep-26-16 Initiated H.C. Wainwright Buy
Jul-01-16 Initiated Stifel Buy
Jul-01-15 Initiated Canaccord Genuity Buy
Mar-25-15 Initiated Chardan Capital Markets Buy
Mar-20-15 Reiterated H.C. Wainwright Buy
Nov-18-14 Initiated H.C. Wainwright Buy
Jun-19-14 Initiated Aegis Capital Buy
View All

Aldeyra Therapeutics Inc Stock (ALDX) Latest News

pulisher
Jun 06, 2026

Aldeyra Therapeutics eyes FDA feedback as dry eye drug faces make-or-break moment - MSN

Jun 06, 2026
pulisher
Jun 06, 2026

Why Did ALDX Stock Tank 70% Today? - Stocktwits

Jun 06, 2026
pulisher
Jun 05, 2026

Todd Brady Increases Stake in Aldeyra Therapeutics Inc with Significant Share Purchase - GuruFocus

Jun 05, 2026
pulisher
Jun 05, 2026

Aldeyra Therapeutics CEO Todd Brady buys $418,450 in stock By Investing.com - Investing.com South Africa

Jun 05, 2026
pulisher
Jun 05, 2026

12 Health Care Stocks Moving In Friday's After-Market Session - Benzinga

Jun 05, 2026
pulisher
Jun 05, 2026

Aldeyra Therapeutics CEO Todd Brady buys $418,450 in stock - Investing.com

Jun 05, 2026
pulisher
Jun 05, 2026

Aldeyra Therapeutics Insider Bought Shares Worth $418,450, According to a Recent SEC Filing - marketscreener.com

Jun 05, 2026
pulisher
Jun 05, 2026

Aldeyra (NASDAQ: ALDX) CEO Todd Brady purchases 250,000 common shares - Stock Titan

Jun 05, 2026
pulisher
Jun 04, 2026

Aldeyra Therapeutics Eyes FDA Feedback as Dry Eye Drug Faces Make-or-Break Moment - inkl

Jun 04, 2026
pulisher
Jun 04, 2026

3 Promising Penny Stocks With Market Caps Reaching $300M - simplywall.st

Jun 04, 2026
pulisher
Jun 04, 2026

ALDX: Late-stage dry eye program nears key FDA decision, with strong cash and AbbVie partnership - TradingView

Jun 04, 2026
pulisher
Jun 02, 2026

Aldeyra Therapeutics CEO to Speak at Jefferies Global Healthcare Conference - GuruFocus

Jun 02, 2026
pulisher
Jun 02, 2026

Aldeyra Therapeutics to Participate in the 2026 Jefferies Global Healthcare Conference - Business Wire

Jun 02, 2026
pulisher
Jun 01, 2026

ALDX Technical Analysis | Trend, Signals & Chart Patterns | ALDEYRA THERAPEUTICS INC (NASDAQ:ALDX) - ChartMill

Jun 01, 2026
pulisher
May 29, 2026

Lawsuit filed for Investors who lost money with shares of Zoetis Inc. (NYSE: ZTS) - openPR.com

May 29, 2026
pulisher
May 29, 2026

ANGI Investors Have Opportunity to Join Angi Inc. Fraud Investigation with the Schall Law Firm - Business Wire

May 29, 2026
pulisher
May 29, 2026

Aldeyra Therapeutics, Inc. (NASDAQ: ALDX) Investor Alert: Deadline in Lawsuit on May 29, 2026 - openPR.com

May 29, 2026
pulisher
May 29, 2026

Gossamer Bio, Inc. (NASDAQ: GOSS) Investor Alert: Deadline in Lawsuit on June 1, 2026 - openPR.com

May 29, 2026
pulisher
May 29, 2026

Aldeyra Therapeutics Faces Class Action Deadline Amid FDA Rejections (ALDX) - GuruFocus

May 29, 2026
pulisher
May 29, 2026

ALDX FINAL DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Aldeyra - GuruFocus

May 29, 2026
pulisher
May 29, 2026

ALDX DEADLINEFINAL REMINDER: Bronstein, Gewirtz & Grossman LLC Alerts Aldeyra Therapeutics, Inc. Investors to Participate in the Class Action Lawsuit Today - ACCESS Newswire

May 29, 2026
pulisher
May 29, 2026

Aldeyra Therapeutics Faces Securities Fraud Lawsuit Amid FDA Rej - GuruFocus

May 29, 2026
pulisher
May 29, 2026

ALDX Investors Have Opportunity to Lead Aldeyra Therapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm - Business Wire

May 29, 2026
pulisher
May 29, 2026

ALDX FINAL DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Aldeyra Therapeutics (ALDX) Investors of Securities Class Action Deadline on May 29, 2026 - 巴士的報

May 29, 2026
pulisher
May 29, 2026

ALDX UPCOMING DEADLINE : The Gross Law Firm Alerts Aldeyra - GlobeNewswire

May 29, 2026
pulisher
May 29, 2026

ENGN Investors Have Opportunity to Join enGene Therapeutics Inc. Fraud Investigation with the Schall Law Firm - Business Wire

May 29, 2026
pulisher
May 28, 2026

ZTS Investors Have Opportunity to Lead Zoetis Inc. Securities Fraud Lawsuit with the Schall Law Firm - Business Wire

May 28, 2026
pulisher
May 28, 2026

היום המועד האחרון לתביעה ייצוגית נגד ALDX: רוזן, חברה שפתחה בהליכים ראשונה, מעודדת משקיעים ב-Aldeyra Therapeutics, Inc עם הפסדים של יותר מ-100 אלף דולר לקבל ייעוץ משפטי לפני המועד החשוב ב-29 במאי בתביעה ייצוגית לניירות ערך שהוגשה לראשונה על ידי המשרד – ALDX - GlobeNewswire Inc.

May 28, 2026
pulisher
May 28, 2026

B&W DEADLINE: ROSEN, TRUSTED INVESTOR COUNSEL, Encourages Babcock & Wilcox Enterprises, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important Deadline in Securities Class Action - GlobeNewswire Inc.

May 28, 2026
pulisher
May 28, 2026

ALDEYRA DEADLINE: ROSEN, THE FIRST FILING FIRM, Encourages - GlobeNewswire

May 28, 2026
pulisher
May 28, 2026

ALDX DEADLINE REMINDER: Bronstein, Gewirtz & Grossman LLC Reminds Aldeyra Therapeutics, Inc. Investors to Join the Class Action Lawsuit Today - ACCESS Newswire

May 28, 2026
pulisher
May 28, 2026

INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Aldeyra Therapeutics, Inc. Of Class Action Lawsuit and Upcoming DeadlinesALDX - PR Newswire

May 28, 2026
pulisher
May 27, 2026

INVESTOR DEADLINE APPROACHING: Aldeyra Therapeutics (ALDX) Investors Who Suffered Losses Encouraged to Contact Faruqi & Faruqi Before May 29, 2026 Securities Class Action Deadline - ACCESS Newswire

May 27, 2026
pulisher
May 27, 2026

ALDX INVESTOR ALERT: Holzer & Holzer, LLC Reminds Investors - GlobeNewswire

May 27, 2026
pulisher
May 27, 2026

2026-05-27 | ALDX STOCKHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Aldeyra Therapeutics, Inc. Investors with Losses Have Opportunity to Lead Class Action Lawsuit! | NDAQ:ALDX | Press Release - Stockhouse

May 27, 2026
pulisher
May 27, 2026

Bronstein, Gewirtz & Grossman LLC Urges Aldeyra - GlobeNewswire

May 27, 2026
pulisher
May 26, 2026

ALDX EQUITY ACTION REMINDER: Faruqi & Faruqi, LLP Reminds Aldeyra Therapeutics (ALDX) Investors of Securities Class Action Deadline on May 29, 2026 - TMX Newsfile

May 26, 2026
pulisher
May 26, 2026

ALDEYRA DEADLINE FRIDAY MAY 29th: Bragar Eagel & Squire, - GlobeNewswire

May 26, 2026
pulisher
May 26, 2026

ALDX Shareholder Alert: Aldeyra Therapeutics, Inc. Securities Cl - GuruFocus

May 26, 2026
pulisher
May 26, 2026

ALDX INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Reminds Stockholders of Aldeyra Therapeutics, Inc. to Contact the Firm Today! - ACCESS Newswire

May 26, 2026
pulisher
May 26, 2026

Portnoy Law Firm Announces Class Action on Behalf of Aldeyra Therapeutics, Inc. Investors - GlobeNewswire

May 26, 2026
pulisher
May 26, 2026

ALDX Shareholder Alert: Aldeyra Therapeutics, Inc. Securities Class Action LawsuitInvestors Should Contact The Gross Law Firm - PR Newswire

May 26, 2026
pulisher
May 25, 2026

ALDX INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Reminds Investors of Aldeyra Therapeutics, Inc. to Contact the Firm Today! - ACCESS Newswire

May 25, 2026
pulisher
May 25, 2026

ALDX SHAREHOLDER ACTION REMINDER: Faruqi & Faruqi, LLP Reminds Aldeyra Therapeutics (ALDX) Investors of Securities Class Action Deadline on May 29, 2026 - TMX Newsfile

May 25, 2026
pulisher
May 25, 2026

ALDX INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Reminds - The National Law Review

May 25, 2026
pulisher
May 25, 2026

ALDX INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Reminds Shareholders of Aldeyra Therapeutics, Inc. to Contact the Firm Today! - ACCESS Newswire

May 25, 2026
pulisher
May 24, 2026

ALDX FINAL DEADLINE: ROSEN, TOP RANKED GLOBAL COUNSEL, Encourages Aldeyra Therapeutics, Inc. ... - Caledonian Record

May 24, 2026
pulisher
May 24, 2026

ALDX FINAL DEADLINE: ROSEN, TOP RANKED GLOBAL COUNSEL, - GlobeNewswire

May 24, 2026
pulisher
May 23, 2026

ALDX Deadline: ALDX Investors with Losses in Excess of $100K Hav - GuruFocus

May 23, 2026
pulisher
May 23, 2026

ALDX Deadline: ALDX Investors with Losses in Excess of $100K Have Opportunity to Lead Aldeyra Therapeutics, Inc. Securities Fraud Lawsuit Filed by The Rosen Law Firm - PR Newswire

May 23, 2026
pulisher
May 23, 2026

Press releases provided by CNW - Techaeris

May 23, 2026

Aldeyra Therapeutics Inc Stock (ALDX) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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Aldeyra Therapeutics Inc Stock (ALDX) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
DOUGLAS RICHARD
Director
Mar 19 '26
Buy
1.40
70,000
98,000
195,000
Alfieri Michael
Principal Financial Officer
Mar 18 '26
Buy
1.42
5,000
7,100
7,500
Alfieri Michael
Principal Financial Officer
Aug 13 '25
Buy
5.30
2,500
13,250
2,500
Machatha Stephen
Chief Development Officer
Aug 11 '25
Sale
5.15
22,073
113,713
221,799
$102.38
price up icon 1.13%
$28.58
price down icon 3.22%
$88.08
price down icon 1.69%
$55.87
price up icon 1.54%
ONC ONC
$270.10
price down icon 3.51%
$149.23
price down icon 4.15%
Cap:     |  Volume (24h):