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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 SzQmMDuHrzasVVrZXOhrZ2qv6O6mfoofHuFp4bETs0oOmdJY5TB8OlJpJ+HJnHv1
 cQFfJWORpDMqqlJxiP70pQ==

<SEC-DOCUMENT>0001477558-10-000002.txt : 20100428
<SEC-HEADER>0001477558-10-000002.hdr.sgml : 20100428
<ACCEPTANCE-DATETIME>20100428112804
ACCESSION NUMBER:		0001477558-10-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091228
FILED AS OF DATE:		20100428
DATE AS OF CHANGE:		20100428

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NeoStem, Inc.
		CENTRAL INDEX KEY:			0000320017
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MISC HEALTH & ALLIED SERVICES, NEC [8090]
		IRS NUMBER:				222343568
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		420 LEXINGTON AVENUE
		STREET 2:		SUITE 450
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10170
		BUSINESS PHONE:		212-584-4171

	MAIL ADDRESS:	
		STREET 1:		420 LEXINGTON AVENUE
		STREET 2:		SUITE 450
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10170

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PHASE III MEDICAL INC/DE
		DATE OF NAME CHANGE:	20030819

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORNICHE GROUP INC /DE
		DATE OF NAME CHANGE:	19951117

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIDELITY MEDICAL INC
		DATE OF NAME CHANGE:	19951025

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Fullbright Finance Ltd
		CENTRAL INDEX KEY:			0001477766
		STATE OF INCORPORATION:			D8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33650
		FILM NUMBER:		10775783

	BUSINESS ADDRESS:	
		STREET 1:		NO. 859, PANXU ROAD
		CITY:			SUZHOU
		STATE:			F4
		ZIP:			215002
		BUSINESS PHONE:		0086-512-68207173

	MAIL ADDRESS:	
		STREET 1:		NO. 859, PANXU ROAD
		CITY:			SUZHOU
		STATE:			F4
		ZIP:			215002
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-12-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000320017</issuerCik>
        <issuerName>NeoStem, Inc.</issuerName>
        <issuerTradingSymbol>NBS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001477766</rptOwnerCik>
            <rptOwnerName>Fullbright Finance Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>NO. 859, PANXU ROAD, CANGLANG DISTRICT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SUZHOU CITY</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>215002</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2009-12-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>203338</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3250770</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Upon the achievement of certain business milestones, 203,338 shares of common stock, par value $0.001 per share, were issued to the reporting person.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Mingsheng Shi, by:/s/ Kevin K. Tung, Esq., Attorney-in-fact</signatureName>
        <signatureDate>2010-04-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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