1.52
price up icon1.33%   0.02
after-market After Hours: 1.51 -0.01 -0.66%
loading
Aldeyra Therapeutics Inc stock is traded at $1.52, with a volume of 1.18M. It is up +1.33% in the last 24 hours and down -9.52% 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.
See More
Previous Close:
$1.50
Open:
$1.51
24h Volume:
1.18M
Relative Volume:
0.41
Market Cap:
$91.69M
Revenue:
-
Net Income/Loss:
$-33.85M
P/E Ratio:
-2.696
EPS:
-0.5638
Net Cash Flow:
$-33.35M
1W Performance:
-5.00%
1M Performance:
-9.52%
6M Performance:
-69.78%
1Y Performance:
-42.64%
1-Day Range:
Value
$1.49
$1.60
1-Week Range:
Value
$1.47
$1.62
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
8
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, ONC

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
ALDX icon
ALDX
Aldeyra Therapeutics Inc
1.52 94.70M 0 -33.85M -33.35M -0.5638
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
427.38 109.41B 12.07B 3.95B 3.19B 15.33
REGN icon
REGN
Regeneron Pharmaceuticals Inc
707.06 76.72B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
781.72 48.20B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
309.49 40.31B 3.71B 313.75M 465.38M 2.2571
ONC icon
ONC
Beone Medicines Ltd Adr
295.27 33.13B 5.36B 287.73M 924.18M 2.5229

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
09:29 AM

ALDX INVESTOR DEADLINE APPROACHING: Faruqi & Faruqi, LLP Reminds Aldeyra Therapeutics (ALDX) Investors of Securities Class Action Deadline on May 29, 2026 - PR Newswire

09:29 AM
pulisher
09:00 AM

ALDX Investor Alert: Aldeyra Therapeutics Securities Fraud LawsuitInvestors With Losses May Seek to Lead the Class Action After Executives Allegedly Certified Misleading Filings: SueWallSt – Company AnnouncementFT.com - Financial Times

09:00 AM
pulisher
Apr 29, 2026

Does Aldeyra Therapeutics (ALDX) have the potential to rally 79.28% as Wall Street analysts expect? - MSN

Apr 29, 2026
pulisher
Apr 29, 2026

Robbins LLP Reminds ALDX Investors of the Pending Class Action Lawsuit; Harmed Investors Should Contact the Firm for Information About Leading the Case Against Aldeyra Therapeutics, Inc. - The Joplin Globe

Apr 29, 2026
pulisher
Apr 29, 2026

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

Apr 29, 2026
pulisher
Apr 28, 2026

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

Apr 28, 2026
pulisher
Apr 28, 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

Apr 28, 2026
pulisher
Apr 28, 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

Apr 28, 2026
pulisher
Apr 28, 2026

ALDX DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Aldeyra Therapeutics (ALDX) Investors of Securities Class Action Deadline on May 29, 2026 - marketscreener.com

Apr 28, 2026
pulisher
Apr 28, 2026

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

Apr 28, 2026
pulisher
Apr 28, 2026

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

Apr 28, 2026
pulisher
Apr 28, 2026

Lead Plaintiff Deadlines in Shareholder Class Action - GlobeNewswire

Apr 28, 2026
pulisher
Apr 27, 2026

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

Apr 27, 2026
pulisher
Apr 27, 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

Apr 27, 2026
pulisher
Apr 27, 2026

ALDX Investor Alert: Aldeyra Therapeutics Securities Fraud - GlobeNewswire

Apr 27, 2026
pulisher
Apr 27, 2026

[ARS] Aldeyra Therapeutics, Inc. SEC Filing - Stock Titan

Apr 27, 2026
pulisher
Apr 27, 2026

CEO pay, board election and auditor up for Aldeyra (NASDAQ: ALDX) 2026 vote - Stock Titan

Apr 27, 2026
pulisher
Apr 27, 2026

ROSEN, RECOGNIZED INVESTOR COUNSEL, Encourages Aldeyra Therapeutics, Inc. Investors to Secure ... - Bluefield Daily Telegraph

Apr 27, 2026
pulisher
Apr 27, 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

Apr 27, 2026
pulisher
Apr 27, 2026

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

Apr 27, 2026
pulisher
Apr 27, 2026

ALDX Stock Price, Quote & Chart | ALDEYRA THERAPEUTICS INC (NASDAQ:ALDX) - ChartMill

Apr 27, 2026
pulisher
Apr 26, 2026

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

Apr 26, 2026
pulisher
Apr 26, 2026

MSN Money - MSN

Apr 26, 2026
pulisher
Apr 26, 2026

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

Apr 26, 2026
pulisher
Apr 26, 2026

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

Apr 26, 2026
pulisher
Apr 25, 2026

Aldeyra receives FDA rejection for dry eye treatment reproxalap - MSN

Apr 25, 2026
pulisher
Apr 24, 2026

ROSEN, NATIONALLY REGARDED INVESTOR COUNSEL, Encourages Aldeyra Therapeutics, Inc. Investors to ... - Bluefield Daily Telegraph

Apr 24, 2026
pulisher
Apr 24, 2026

ROSEN, NATIONALLY REGARDED INVESTOR COUNSEL, Encourages Aldeyra Therapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm - GlobeNewswire Inc.

Apr 24, 2026
pulisher
Apr 24, 2026

ROSEN, GLOBAL INVESTOR COUNSEL, Encourages Coty Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action – COTY - GlobeNewswire Inc.

Apr 24, 2026
pulisher
Apr 24, 2026

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

Apr 24, 2026
pulisher
Apr 24, 2026

Bragar Eagel & Squire, P.C. Encourages Aldeyra Therapeutics, Inc. Investors with Large ... - Bluefield Daily Telegraph

Apr 24, 2026
pulisher
Apr 24, 2026

Bragar Eagel & Squire, P.C. Encourages Aldeyra - GlobeNewswire

Apr 24, 2026
pulisher
Apr 24, 2026

ALDX Shareholder Alert: May 29, 2026 Lead Plaintiff Deadline in Aldeyra Therapeutics, Inc. ... - Bluefield Daily Telegraph

Apr 24, 2026
pulisher
Apr 24, 2026

ALDX Forecast, Price Target & Analyst Ratings | ALDEYRA THERAPEUTICS INC (NASDAQ:ALDX) - ChartMill

Apr 24, 2026
pulisher
Apr 23, 2026

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

Apr 23, 2026
pulisher
Apr 23, 2026

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

Apr 23, 2026
pulisher
Apr 23, 2026

ALDX (Aldeyra Therapeutics Inc.) reports narrower Q4 2025 loss than forecast, topping consensus EPS estimates by 60 percent.Decline Phase - Xã Thanh Hà

Apr 23, 2026
pulisher
Apr 23, 2026

ALDX INVESTOR REMINDER: Aldeyra Therapeutics, Inc. Investors Have - The National Law Review

Apr 23, 2026
pulisher
Apr 22, 2026

ALDX INVESTOR REMINDER: Aldeyra Therapeutics, Inc. Investors Have Until May 29, 2026 To Seek Lead Plaintiff Role - Business Wire

Apr 22, 2026
pulisher
Apr 22, 2026

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

Apr 22, 2026
pulisher
Apr 22, 2026

Aldeyra Therapeutics Faces Securities Lawsuit Over Reproxalap Trial Disclosures - TipRanks

Apr 22, 2026
pulisher
Apr 22, 2026

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

Apr 22, 2026
pulisher
Apr 22, 2026

2026-04-22 | ALDX SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Aldeyra Therapeutics, Inc. Investors Have Opportunity to Lead Class Action Lawsuit! | NDAQ:ALDX | Press Release - Stockhouse

Apr 22, 2026
pulisher
Apr 21, 2026

ROSEN, A HIGHLY RECOGNIZED LAW FIRM, Encourages Aldeyra Therapeutics, Inc. Investors to Secure ... - Bluefield Daily Telegraph

Apr 21, 2026
pulisher
Apr 21, 2026

ROSEN, A HIGHLY RECOGNIZED LAW FIRM, Encourages Aldeyra - GlobeNewswire

Apr 21, 2026
pulisher
Apr 21, 2026

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

Apr 21, 2026
pulisher
Apr 21, 2026

ROSEN, TRUSTED INVESTOR COUNSEL, Encourages Trip.com Group Limited Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm - GlobeNewswire Inc.

Apr 21, 2026
pulisher
Apr 21, 2026

Aldeyra Therapeutics Announces Upcoming Board Member Departure - The Globe and Mail

Apr 21, 2026
pulisher
Apr 21, 2026

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

Apr 21, 2026
pulisher
Apr 21, 2026

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

Apr 21, 2026
pulisher
Apr 21, 2026

ALDX Shareholder Alert: Aldeyra Therapeutics, Inc. Securities Class Action Lawsuit Investors With Losses May Join — The Gross Law Firm - Morningstar

Apr 21, 2026

Aldeyra Therapeutics Inc Stock (ALDX) Financials Data

Revenue

loading

Net Income

loading

Cash Flow

loading

EPS

loading

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
$28.53
price up icon 3.67%
$50.09
price up icon 1.21%
$103.45
price up icon 1.85%
$136.33
price up icon 0.96%
$144.12
price up icon 2.54%
ONC ONC
$295.27
price up icon 1.54%
Cap:     |  Volume (24h):