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    CONFORMED SUBMISSION TYPE:	S-1/A
    PUBLIC DOCUMENT COUNT:		31
    FILED AS OF DATE:		20200928
    DATE AS OF CHANGE:		20200928

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			C4 Therapeutics, Inc.
    		CENTRAL INDEX KEY:			0001662579
    		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
    		IRS NUMBER:				475617627
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-1/A
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-248719
    		FILM NUMBER:		201201920

    	BUSINESS ADDRESS:
    		STREET 1:		675 WEST KENDALL STREET
    		CITY:			CAMBRIDGE
    		STATE:			MA
    		ZIP:			02142
    		BUSINESS PHONE:		(202) 421-7994

    	MAIL ADDRESS:
    		STREET 1:		675 WEST KENDALL STREET
    		CITY:			CAMBRIDGE
    		STATE:			MA
    		ZIP:			02142
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