    <SEC-DOCUMENT>0001790340-24-000046-index.html : 20240423
    <SEC-HEADER>0001790340-24-000046.hdr.sgml : 20240423
    <ACCEPTANCE-DATETIME>20240423161745
    ACCESSION NUMBER:		0001790340-24-000046
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20240423
    DATE AS OF CHANGE:		20240423

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Immuneering Corp
    		CENTRAL INDEX KEY:			0001790340
    		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:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-40675
    		FILM NUMBER:		24865052

    	BUSINESS ADDRESS:
    		STREET 1:		245 MAIN STREET, SECOND FLOOR
    		CITY:			CAMBRIDGE
    		STATE:			MA
    		ZIP:			02142
    		BUSINESS PHONE:		617-500-8080

    	MAIL ADDRESS:
    		STREET 1:		245 MAIN STREET, SECOND FLOOR
    		CITY:			CAMBRIDGE
    		STATE:			MA
    		ZIP:			02142
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>imrx-2024additionalproxyma.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: imrx-2024additionalproxyma.htm

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

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

    </DOCUMENT>
    </SEC-DOCUMENT>