<SEC-DOCUMENT>0001104659-19-045081-index.html : 20190809
<SEC-HEADER>0001104659-19-045081.hdr.sgml : 20190809
<ACCEPTANCE-DATETIME>20190809134242
ACCESSION NUMBER:		0001104659-19-045081
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190809
DATE AS OF CHANGE:		20190809
GROUP MEMBERS:		BARRY EGGERS
GROUP MEMBERS:		JEREMY LIEW
GROUP MEMBERS:		LIGHTSPEED AFFILIATES X, L.P.
GROUP MEMBERS:		LIGHTSPEED GENERAL PARTNER SELECT II, L.P.
GROUP MEMBERS:		LIGHTSPEED GENERAL PARTNER X, L.P.
GROUP MEMBERS:		LIGHTSPEED ULTIMATE GENERAL PARTNER SELECT II, LTD.
GROUP MEMBERS:		LIGHTSPEED ULTIMATE GENERAL PARTNER X, LTD.
GROUP MEMBERS:		LIGHTSPEED VENTURE PARTNERS SELECT II, L.P.
GROUP MEMBERS:		PETER Y. NIEH
GROUP MEMBERS:		RAVI MHATRE

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Forty Seven, Inc.
		CENTRAL INDEX KEY:			0001667633
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				474065674
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-90560
		FILM NUMBER:		191012419

	BUSINESS ADDRESS:	
		STREET 1:		1490 O'BRIEN DRIVE, SUITE A
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		(650) 352-4150

	MAIL ADDRESS:	
		STREET 1:		1490 O'BRIEN DRIVE, SUITE A
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Lightspeed Venture Partners X, L.P.
		CENTRAL INDEX KEY:			0001602573
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		2200 SAND HILL ROAD
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-233-8300

	MAIL ADDRESS:	
		STREET 1:		2200 SAND HILL ROAD
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>a19-16932_1sc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: a19-16932_1sc13da.htm

</DOCUMENT>
</SEC-DOCUMENT>