    <SEC-DOCUMENT>0001213900-24-036743-index.html : 20240426
    <SEC-HEADER>0001213900-24-036743.hdr.sgml : 20240426
    <ACCEPTANCE-DATETIME>20240426172852
    ACCESSION NUMBER:		0001213900-24-036743
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		5
    FILED AS OF DATE:		20240426
    DATE AS OF CHANGE:		20240426

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Alto Ingredients, Inc.
    		CENTRAL INDEX KEY:			0000778164
    		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
    		ORGANIZATION NAME:           	08 Industrial Applications and Services
    		IRS NUMBER:				412170618
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-21467
    		FILM NUMBER:		24885465

    	BUSINESS ADDRESS:
    		STREET 1:		400 CAPITOL MALL, SUITE 2060
    		CITY:			SACRAMENTO
    		STATE:			CA
    		ZIP:			95814
    		BUSINESS PHONE:		916-403-2123

    	MAIL ADDRESS:
    		STREET 1:		400 CAPITOL MALL, SUITE 2060
    		CITY:			SACRAMENTO
    		STATE:			CA
    		ZIP:			95814

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Pacific Ethanol, Inc.
    		DATE OF NAME CHANGE:	20050324

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ACCESSITY CORP
    		DATE OF NAME CHANGE:	20030627

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	DRIVERSSHIELD COM CORP
    		DATE OF NAME CHANGE:	20001115
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>ea0204730-defa14a_alto.htm
    <DESCRIPTION>DEFINITIVE ADDITIONAL MATERIALS
    <TEXT>
    Document 1 - file: ea0204730-defa14a_alto.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>image_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: image_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>image_002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: image_002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>image_003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: image_003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>image_004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: image_004.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>