---
title: "Aldeyra Therapeutics (ALDX) stock: news and investor profile"
url: "https://aibio.space/companies/aldeyra-therapeutics/"
publisher: "aibio.space (Biotech Investor Relations News)"
summary: "Aldeyra Therapeutics, Inc. (NASDAQ: ALDX), United States. The directory classifies it as Biotechnology."
---

ALDX Aldeyra Therapeutics, Inc. NASDAQ · United States

# Aldeyra Therapeutics (ALDX) news

Top story · Jul 30, 2026 · SEC filing 8-K

## [Aldeyra Therapeutics signs a material agreement](https://www.sec.gov/Archives/edgar/data/1341235/000119312526326337/aldx-20260728.htm)

In addition to the Base Rent, the Company is required to pay Bradford Street certain operating expenses, taxes, and other fees in accordance with the terms of the Office Lease.

Source: [8-K filed Jul 30, 2026 on SEC EDGAR](https://www.sec.gov/Archives/edgar/data/1341235/000119312526326337/aldx-20260728.htm)

## Latest Aldeyra Therapeutics news

We have not published a story on Aldeyra Therapeutics yet. When there is news, it will appear here.

## Aldeyra Therapeutics at a glance

- **Ticker**: ALDX

- **Listing**: NASDAQ

- **Country**: United States

- **Cash, Jun 30, 2026**: $45.1 million

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## Aldeyra Therapeutics annual financials

| Line | FY2025 | FY2024 |
|---|---|---|
| Research and development | [$25.7 million](https://www.sec.gov/Archives/edgar/data/1341235/000119312526083012/) | [$48.2 million](https://www.sec.gov/Archives/edgar/data/1341235/000119312526083012/) |
| Net income (loss) | [-$33.8 million](https://www.sec.gov/Archives/edgar/data/1341235/000119312526083012/) | [-$55.9 million](https://www.sec.gov/Archives/edgar/data/1341235/000119312526083012/) |
| Cash from operations | [-$33.3 million](https://www.sec.gov/Archives/edgar/data/1341235/000119312526083012/) | [-$43.2 million](https://www.sec.gov/Archives/edgar/data/1341235/000119312526083012/) |
| Cash and equivalents | [$70.0 million](https://www.sec.gov/Archives/edgar/data/1341235/000119312526083012/) | [$54.5 million](https://www.sec.gov/Archives/edgar/data/1341235/000119312526083012/) |
| Short-term investments | [$0](https://www.sec.gov/Archives/edgar/data/1341235/000119312526083012/) | [$46.6 million](https://www.sec.gov/Archives/edgar/data/1341235/000119312526083012/) |

Latest balance sheet, Jun 30, 2026 (10-Q): cash and equivalents $45.1 million.

Figures as reported to the SEC in XBRL; each one links to its filing. Not adjusted, not investment advice.

## Questions about Aldeyra Therapeutics

What is the ticker symbol of Aldeyra Therapeutics?

Aldeyra Therapeutics, Inc. trades under the ticker ALDX on NASDAQ.

Where is Aldeyra Therapeutics listed?

Aldeyra Therapeutics, Inc. is listed on NASDAQ. Our directory also records these other listings: GETTEX:137; LS:A111X8; LSX:A111X8.

What is the SEC CIK of Aldeyra Therapeutics?

The SEC Central Index Key (CIK) for Aldeyra Therapeutics, Inc. is 1341235. Its filings are on SEC EDGAR.

How many shares does Aldeyra Therapeutics have outstanding?

60,326,421 shares as of 2026-08-04, per the cover page of its 10-Q filed 2026-08-06.

Which country or territory is Aldeyra Therapeutics listed under?

Our directory records Aldeyra Therapeutics, Inc. under United States.

What does Aldeyra Therapeutics do?

Our directory classifies Aldeyra Therapeutics, Inc. as: Biotechnology. This is a directory classification, not a description of the pipeline.

What is the ISIN of Aldeyra Therapeutics?

The ISIN recorded for Aldeyra Therapeutics, Inc. is US01438T1060.

Does aibio.space cover Aldeyra Therapeutics?

aibio.space lists Aldeyra Therapeutics, Inc. among 2,820 public biotech companies and publishes its news here as stories appear.

Where is Aldeyra Therapeutics incorporated?

SEC records list its state or country of incorporation as DE.

Is Aldeyra Therapeutics profitable?

Aldeyra Therapeutics, Inc. reported a net loss of $33.8 million for the fiscal year ended Dec 31, 2025, and used $33.3 million of cash in operations, per its annual report to the SEC.

How much does Aldeyra Therapeutics spend on research and development?

$25.7 million in the fiscal year ended Dec 31, 2025, per its annual report.

How much cash does Aldeyra Therapeutics have?

$45.1 million in cash at Jun 30, 2026, per its 10-Q.

What is Aldeyra Therapeutics's market cap?

We do not publish live share prices. In its annual report, Aldeyra Therapeutics, Inc. put the market value of shares held by non-affiliates (public float) at $231.9 million as of Jun 30, 2025.

Is Aldeyra Therapeutics a smaller reporting company?

SEC records list Aldeyra Therapeutics, Inc.'s filer category as: Non-accelerated filer<br>Smaller reporting company.

Where is Aldeyra Therapeutics headquartered?

SEC records list its business address as 23 BRADFORD STREET, CONCORD, MA, 01742.

## Investor discussion: Aldeyra Therapeutics

Members talk about Aldeyra Therapeutics (ALDX). Reader posts, not aibio.space reporting, and not investment advice.

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## Stock chart

Price chart and quote supplied by TradingView, delayed as the exchange requires. It loads only if you choose to show it. Information only, not investment advice. [Open NASDAQ:ALDX on TradingView](https://www.tradingview.com/symbols/NASDAQ-ALDX/).

## SEC filings and registration

- **SEC name**: Aldeyra Therapeutics, Inc.

- **CIK**: 1341235

- **Industry (SIC)**: Pharmaceutical Preparations (2834)

- **US tickers**: ALDX (Nasdaq)

- **State or country of incorporation**: DE

- **Fiscal year ends**: December 31

- **Filer category**: Non-accelerated filer<br>Smaller reporting company

- **Business address**: 23 BRADFORD STREET, CONCORD, MA, 01742

- **Phone**: 781-761-4904

- **Shares outstanding**: 60,326,421 as of 2026-08-04 (10-Q filed 2026-08-06)

- **Former names**: Aldexa Therapeutics, Inc.; Neuron Systems Inc

### Recent filings (8-K and 6-K are the company's own announcements)

- [8-K](https://www.sec.gov/Archives/edgar/data/1341235/000119312526405954/aldx-20260929.htm) filed 2026-09-29
- [10-Q](https://www.sec.gov/Archives/edgar/data/1341235/000134123526000010/aldx-20260630.htm) filed 2026-08-06
- [8-K](https://www.sec.gov/Archives/edgar/data/1341235/000119312526326337/aldx-20260728.htm) filed 2026-07-30
- [8-K](https://www.sec.gov/Archives/edgar/data/1341235/000119312526304880/aldx-20260714.htm) filed 2026-07-15
- [8-K](https://www.sec.gov/Archives/edgar/data/1341235/000119312526264514/aldx-20260609.htm) filed 2026-06-10
- [10-Q](https://www.sec.gov/Archives/edgar/data/1341235/000134123526000006/aldx-20260331.htm) filed 2026-05-07
- [8-K](https://www.sec.gov/Archives/edgar/data/1341235/000119312526199157/aldx-20260501.htm) filed 2026-05-01
- [DEF 14A](https://www.sec.gov/Archives/edgar/data/1341235/000119312526182099/d54888ddef14a.htm) filed 2026-04-27

Source: [SEC EDGAR](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001341235), retrieved October 23, 2026. Shares outstanding is the cover-page figure from the latest periodic report. The SEC does not publish share prices.

## Listing details

Aldeyra Therapeutics, Inc. is a public biotech or pharmaceutical company listed on NASDAQ under the ticker ALDX, recorded under United States. The directory classifies it as Biotechnology. aibio.space tracks 2,820 public biotech companies worldwide and publishes investor news on them.

- **Company**: Aldeyra Therapeutics, Inc.

- **Ticker**: ALDX

- **Listing**: NASDAQ

- **Country or territory**: United States

- **Business scope**: Biotechnology

- **ISIN**: US01438T1060

- **Other listed symbols**: GETTEX:137; LS:A111X8; LSX:A111X8

- **Last quote in directory**: 2026-10-21

- **Directory source**: [Listing page](https://www.tradingview.com/symbols/NASDAQ-ALDX/)

Listing facts come from our company directory, researched on October 22, 2026. A listing record does not certify that a security currently trades. [Tell us about a change](https://aibio.space/reputation/#update). Work at this company? [Claim this page](https://aibio.space/claim/).

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---
Source page: https://aibio.space/companies/aldeyra-therapeutics/. Facts in aibio.space stories are checked against company filings and releases; opinion is labelled. Cite as: aibio.space, "Aldeyra Therapeutics (ALDX) stock: news and investor profile", 2026-10-31, https://aibio.space/companies/aldeyra-therapeutics/
