1.68
price up icon1.20%   0.02
after-market After Hours: 1.68
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Aldeyra Therapeutics Inc stock is traded at $1.68, with a volume of 1.31M. It is up +1.20% in the last 24 hours and down -8.20% 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:
$1.66
Open:
$1.63
24h Volume:
1.31M
Relative Volume:
0.45
Market Cap:
$101.34M
Revenue:
-
Net Income/Loss:
$-33.85M
P/E Ratio:
-2.9798
EPS:
-0.5638
Net Cash Flow:
$-33.35M
1W Performance:
-2.89%
1M Performance:
-8.20%
6M Performance:
-66.73%
1Y Performance:
-22.22%
1-Day Range:
Value
$1.60
$1.705
1-Week Range:
Value
$1.60
$1.805
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
1.68 100.13M 0 -33.85M -33.35M -0.5638
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
436.95 114.32B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
698.25 74.74B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
799.32 51.13B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
286.98 39.18B 4.29B 577.22M 641.34M 4.2086
RVMD icon
RVMD
Revolution Medicines Inc
145.66 31.78B 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
02:18 AM

ALDX STOCKHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Aldeyra Therapeutics, Inc. Investors with Losses Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

02:18 AM
pulisher
May 15, 2026

Perceptive (ALDX) amendment shows 0% ownership; Joseph Edelman signs - Stock Titan

May 15, 2026
pulisher
May 15, 2026

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

May 15, 2026
pulisher
May 15, 2026

ALDX Deadline Alert: The Gross Law Firm Reminds Aldeyra Therapeutics, Inc. (ALDX) Investors of Securities Class Action Deadline on May 29, 2026 - The Daily Tribune News

May 15, 2026
pulisher
May 14, 2026

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

May 14, 2026
pulisher
May 14, 2026

ALDX SEC FilingsAldeyra Therapeutics Inc 10-K, 10-Q, 8-K Forms - Stock Titan

May 14, 2026
pulisher
May 14, 2026

ALDX INVESTOR NOTICE: Faruqi & Faruqi, LLP Reminds Aldeyra Therapeutics (ALDX) Investors of Securities Class Action Deadline on May 29, 2026 - ChartMill

May 14, 2026
pulisher
May 13, 2026

Bronstein, Gewirtz & Grossman LLC Urges Aldeyra Therapeutics, Inc. Investors to Act: Class Action Filed Alleging Investor Harm - GlobeNewswire Inc.

May 13, 2026
pulisher
May 13, 2026

ALDX Investor Alert: Aldeyra Therapeutics Securities Fraud LawsuitInvestors With Losses May Seek to Lead the Class Action After Executive Allegedly Approved Misleading Disclosures: Levi & Korsinsky - PR Newswire

May 13, 2026
pulisher
May 13, 2026

ALDX Stockholders Have Opportunity to Lead Aldeyra Therapeutics - The National Law Review

May 13, 2026
pulisher
May 12, 2026

ALDX DEADLINE NOTICE: Aldeyra Therapeutics, Inc. Investors Encouraged to Contact Kirby McInerney LLP By May 29, 2026 - ACCESS Newswire

May 12, 2026
pulisher
May 12, 2026

INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Aldeyra Therapeutics, Inc. Of Class Action Lawsuit and Upcoming Deadlines – ALDX - ChartMill

May 12, 2026
pulisher
May 12, 2026

ALDX DEADLINE: The Gross Law Firm Reminds Aldeyra Therapeutics, - GuruFocus

May 12, 2026
pulisher
May 12, 2026

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

May 12, 2026
pulisher
May 12, 2026

ROSEN, THE FIRST FILING FIRM, Encourages Aldeyra - GlobeNewswire

May 12, 2026
pulisher
May 12, 2026

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

May 12, 2026
pulisher
May 12, 2026

ALDX DEADLINE: The Gross Law Firm Reminds Aldeyra Therapeutics, Inc. Investors of Upcoming Securities Class Action Deadline - PR Newswire

May 12, 2026
pulisher
May 11, 2026

Bragar Eagel & Squire, P.C. Encourages Aldeyra Therapeutics, Inc. Investors with Large Losses to Contact the Firm Regarding Their Rights Before May 29th - GlobeNewswire

May 11, 2026
pulisher
May 11, 2026

symbol__ Stock Quote Price and Forecast - CNN

May 11, 2026
pulisher
May 11, 2026

ALDX Investor Alert: Aldeyra Therapeutics Securities Fraud - GlobeNewswire

May 11, 2026
pulisher
May 11, 2026

MSN Money - MSN

May 11, 2026
pulisher
May 11, 2026

ROSEN, RECOGNIZED INVESTOR COUNSEL, Encourages Aldeyra Therapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the FirmALDX - TMX Newsfile

May 11, 2026
pulisher
May 11, 2026

H.C. Wainwright Maintains Aldeyra Therapeutics(ALDX.US) With Hold Rating, Maintains Target Price $2 - Moomoo

May 11, 2026
pulisher
May 10, 2026

ALDX Investors Have Opportunity to Lead Aldeyra Therapeutics, Inc. Securities Fraud Lawsuit Filed by The Rosen Law Firm - ChartMill

May 10, 2026
pulisher
May 10, 2026

Bronstein, Gewirtz & Grossman LLC Urges Aldeyra Therapeutics, Inc. Investors to Act: Class Action Filed Alleging Investor Harm - mydailyrecord.com

May 10, 2026
pulisher
May 10, 2026

ALDX SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Aldeyra Therapeutics, Inc. Shareholders with Losses Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

May 10, 2026
pulisher
May 10, 2026

ROSEN, A TRUSTED AND LEADING LAW FIRM, Encourages Aldeyra Therapeutics, Inc. Investors to ... - Black Hills Pioneer

May 10, 2026
pulisher
May 09, 2026

ROSEN, A TRUSTED AND LEADING LAW FIRM, Encourages Aldeyra Therapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm - GlobeNewswire Inc.

May 09, 2026
pulisher
May 09, 2026

ROSEN, LEADING INVESTOR COUNSEL, Encourages Aldeyra Therapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by The FirmALDX - ACCESS Newswire

May 09, 2026
pulisher
May 08, 2026

Aldeyra Therapeutics Inc expected to post a loss of 13 cents a shareEarnings Preview - TradingView

May 08, 2026
pulisher
May 08, 2026

ROSEN, SKILLED INVESTOR COUNSEL, Encourages Aldeyra Therapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the FirmALDX - TMX Newsfile

May 08, 2026
pulisher
May 08, 2026

ALDX INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Aldeyra Therapeutics, Inc. Stockholders with Losses Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

May 08, 2026
pulisher
May 08, 2026

ALDX Investors Have Opportunity to Lead Aldeyra Therapeutics, Inc. Securities Fraud Lawsuit ... - Herald and News

May 08, 2026
pulisher
May 08, 2026

ALDX DEADLINE: The Gross Law Firm Reminds Aldeyra - GlobeNewswire

May 08, 2026
pulisher
May 08, 2026

Number of shareholders of Aldeyra Therapeutics, Inc. – NASDAQ:ALDX - TradingView

May 08, 2026
pulisher
May 08, 2026

ALDX INVESTOR ALERT: Contact Kirby McInerney LLP About Securities Class Action Lawsuit On Behalf of Aldeyra Therapeutics, Inc. Investors - ACCESS Newswire

May 08, 2026
pulisher
May 07, 2026

[10-Q] Aldeyra Therapeutics, Inc. Quarterly Earnings Report - Stock Titan

May 07, 2026
pulisher
May 07, 2026

ALDX INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Aldeyra Therapeutics, Inc. Shareholders with Losses Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

May 07, 2026
pulisher
May 07, 2026

Aldeyra Therapeutics, Inc. Reports Earnings Results for the First Quarter Ended March 31, 2026 - marketscreener.com

May 07, 2026
pulisher
May 06, 2026

Bronstein, Gewirtz & Grossman LLC Urges Aldeyra - GlobeNewswire

May 06, 2026
pulisher
May 06, 2026

ALDX SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Aldeyra Therapeutics, Inc. Shareholders Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

May 06, 2026
pulisher
May 05, 2026

Press releases provided by CNW - Techaeris

May 05, 2026
pulisher
May 05, 2026

ROSEN, A TOP RANKED LAW FIRM, Encourages Aldeyra Therapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the FirmALDX - TMX Newsfile

May 05, 2026
pulisher
May 05, 2026

Biotech Downgraded to Neutral After Second FDA CRL for Reproxalap in Dry Eye Disease - Streetwise Reports

May 05, 2026
pulisher
May 05, 2026

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

May 05, 2026
pulisher
May 05, 2026

ALDX INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Aldeyra Therapeutics, Inc. Stockholders Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

May 05, 2026
pulisher
May 05, 2026

ALDX UPCOMING DEADLINE: Faruqi & Faruqi, LLP Reminds Aldeyra Therapeutics (ALDX) Investors of Securities Class Action Deadline on May 29, 2026 - ChartMill

May 05, 2026
pulisher
May 05, 2026

ALDX UPCOMING DEADLINE : The Gross Law Firm Alerts Aldeyra Therapeutics, Inc. Stockholders of Securities Class ActionContact the Firm - Morningstar

May 05, 2026
pulisher
May 05, 2026

Pleasing Signs As A Number Of Insiders Buy Aldeyra Therapeutics Stock - Yahoo Finance

May 05, 2026
pulisher
May 04, 2026

ROSEN, LEADING INVESTOR COUNSEL, Encourages Aldeyra Therapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the FirmALDX - TMX Newsfile

May 04, 2026
pulisher
May 04, 2026

ALDX INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Aldeyra Therapeutics, Inc. Shareholders Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

May 04, 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
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
$29.29
price down icon 0.71%
$89.55
price down icon 2.65%
$52.85
price down icon 1.03%
$109.14
price down icon 5.60%
ONC ONC
$293.27
price down icon 3.73%
$145.66
price down icon 2.55%
Cap:     |  Volume (24h):