ALDX Aldeyra Therapeutics, Inc.
NASDAQActiveCommon stock
ALDX is the ticker symbol of Aldeyra Therapeutics, Inc., which is listed on NASDAQ.
ALDX at a glance
- Symbol
- ALDX
- Company / issuer
- Aldeyra Therapeutics, Inc.
- Security type
- Common stock
- Exchange
- NASDAQ
- Status
- Actively traded
- Seen in listing files
- Jan 2015 – present
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Country
- United States
- IPO year
- 2014
- Market cap
- $73.6 million (Sep 2026)
Aldeyra Therapeutics, Inc. company profile
- Industry (SIC)
- Pharmaceutical Preparations
- Headquarters
- Lexington, MA
- Incorporated in
- DE
- Fiscal year end
- December 31
- SEC filer category
- Non-accelerated filer<br>Smaller reporting company
- Latest annual report
- 10-K filed 2026-02-27
- Latest interim report
- 10-Q filed 2026-08-06
- SEC CIK
- 1341235
Former company names
- Aldexa Therapeutics, Inc. (until 2014)
- Neuron Systems Inc (until 2008)
Source: SEC EDGAR filer data.
ALDX price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol ALDX?
ALDX is the ticker symbol of Aldeyra Therapeutics, Inc on NASDAQ.
Is ALDX still trading?
Yes. ALDX appears in the current NASDAQ listings as of Sep 2026.
Which exchange is ALDX listed on?
ALDX is listed on NASDAQ.
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