<SEC-DOCUMENT>0001193125-25-283076-index.html : 20251114
<SEC-HEADER>0001193125-25-283076.hdr.sgml : 20251114
<ACCEPTANCE-DATETIME>20251114162535
ACCESSION NUMBER:		0001193125-25-283076
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251114
DATE AS OF CHANGE:		20251114

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cogent Biosciences, Inc.
		CENTRAL INDEX KEY:			0001622229
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				465308248
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-90431
		FILM NUMBER:		251486880

	BUSINESS ADDRESS:	
		STREET 1:		275 WYMAN STREET
		STREET 2:		3RD FLOOR
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		617-945-5576

	MAIL ADDRESS:	
		STREET 1:		275 WYMAN STREET
		STREET 2:		3RD FLOOR
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Unum Therapeutics Inc.
		DATE OF NAME CHANGE:	20180402

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Unum Therapeutics, Inc.
		DATE OF NAME CHANGE:	20141014

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TCG Crossover GP I, LLC
		CENTRAL INDEX KEY:			0001839947
		ORGANIZATION NAME:           	
		EIN:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		245 LYTTON AVE., SUITE 350
		CITY:			PALO ALTO
		STATE:			CA
		BUSINESS PHONE:		650-924-9424

	MAIL ADDRESS:	
		STREET 1:		245 LYTTON AVE., SUITE 350
		CITY:			PALO ALTO
		STATE:			CA
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html
Document 1 - RAW XML: primary_doc.xml
</DOCUMENT> </SEC-DOCUMENT>