    <SEC-DOCUMENT>0001193125-24-104887-index.html : 20240422
    <SEC-HEADER>0001193125-24-104887.hdr.sgml : 20240422
    <ACCEPTANCE-DATETIME>20240422161858
    ACCESSION NUMBER:		0001193125-24-104887
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20231231
    FILED AS OF DATE:		20240422
    DATE AS OF CHANGE:		20240422
    EFFECTIVENESS DATE:		20240422

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Aldeyra Therapeutics, Inc.
    		CENTRAL INDEX KEY:			0001341235
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36332
    		FILM NUMBER:		24861416

    	BUSINESS ADDRESS:
    		STREET 1:		131 HARTWELL AVENUE
    		STREET 2:		SUITE 320
    		CITY:			LEXINGTON
    		STATE:			MA
    		ZIP:			02421
    		BUSINESS PHONE:		781-761-4904

    	MAIL ADDRESS:
    		STREET 1:		131 HARTWELL AVENUE
    		STREET 2:		SUITE 320
    		CITY:			LEXINGTON
    		STATE:			MA
    		ZIP:			02421

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Aldexa Therapeutics, Inc.
    		DATE OF NAME CHANGE:	20130102

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Neuron Systems Inc
    		DATE OF NAME CHANGE:	20051012
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>d830348dars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: d830348dars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>