<SEC-DOCUMENT>0000315066-19-001077-index.html : 20190213
<SEC-HEADER>0000315066-19-001077.hdr.sgml : 20190213
<ACCEPTANCE-DATETIME>20190213115418
ACCESSION NUMBER:		0000315066-19-001077
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190213
DATE AS OF CHANGE:		20190213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			G1 Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001560241
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				263648180
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-90214
		FILM NUMBER:		19594801

	BUSINESS ADDRESS:	
		STREET 1:		79 T.W. ALEXANDER DRIVE
		STREET 2:		4501 RESEARCH COMMONS, SUITE 100
		CITY:			RESEARCH TRIANGLE PARK
		STATE:			NC
		ZIP:			27709
		BUSINESS PHONE:		919-213-9835

	MAIL ADDRESS:	
		STREET 1:		P. O. BOX # 110341
		CITY:			RESEARCH TRIANGLE PARK
		STATE:			NC
		ZIP:			27709

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	G-Zero Therapeutics, Inc.
		DATE OF NAME CHANGE:	20121012

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FMR LLC
		CENTRAL INDEX KEY:			0000315066
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				043532603
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		245 SUMMER STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		6175706339

	MAIL ADDRESS:	
		STREET 1:		245 SUMMER STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FMR CORP
		DATE OF NAME CHANGE:	19920717
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>filing.txt
<TEXT>
Document 1 - file: filing.txt

</DOCUMENT>
</SEC-DOCUMENT>