    <SEC-DOCUMENT>0001564590-21-014204-index.html : 20210318
    <SEC-HEADER>0001564590-21-014204.hdr.sgml : 20210318
    <ACCEPTANCE-DATETIME>20210318172454
    ACCESSION NUMBER:		0001564590-21-014204
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		5
    CONFORMED PERIOD OF REPORT:	20210427
    FILED AS OF DATE:		20210318
    DATE AS OF CHANGE:		20210318

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Adicet Bio, Inc.
    		CENTRAL INDEX KEY:			0001720580
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		IRS NUMBER:				813305277
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38359
    		FILM NUMBER:		21755501

    	BUSINESS ADDRESS:
    		STREET 1:		500 BOYLSTON STREET
    		STREET 2:		12TH FLOOR
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02116
    		BUSINESS PHONE:		617-482-2333

    	MAIL ADDRESS:
    		STREET 1:		500 BOYLSTON STREET
    		STREET 2:		12TH FLOOR
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02116

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	resTORbio, Inc.
    		DATE OF NAME CHANGE:	20171024
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>acet-def14a_20210427.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: acet-def14a_20210427.htm

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    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>gu3c32wcjg3v000002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: gu3c32wcjg3v000002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>gu3c32wcjg3v000001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: gu3c32wcjg3v000001.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>gu3c32wcjg3v000003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: gu3c32wcjg3v000003.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>gu3c32wcjg3v000004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: gu3c32wcjg3v000004.jpg

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    </SEC-DOCUMENT>