<SEC-DOCUMENT>0000899243-17-019280.txt : 20170728
<SEC-HEADER>0000899243-17-019280.hdr.sgml : 20170728
<ACCEPTANCE-DATETIME>20170728155247
ACCESSION NUMBER:		0000899243-17-019280
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170726
FILED AS OF DATE:		20170728
DATE AS OF CHANGE:		20170728

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tomlin Stephen Lawrence
		CENTRAL INDEX KEY:			0001695652

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37985
		FILM NUMBER:		17989913

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		858-348-2180

	MAIL ADDRESS:	
		STREET 1:		1134 KLINE STREET
		CITY:			LA JOLLA
		STATE:			CA
		ZIP:			92037

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kinsella Kevin J
		CENTRAL INDEX KEY:			0001311643

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37985
		FILM NUMBER:		17989914

	MAIL ADDRESS:	
		STREET 1:		4370 LA JOLLA VILLAGE DRIVE
		STREET 2:		SUITE 685
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Avalon Ventures VII L P
		CENTRAL INDEX KEY:			0001318999

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37985
		FILM NUMBER:		17989916

	BUSINESS ADDRESS:	
		STREET 1:		4370 LA JOLLA VILLAGE DR
		STREET 2:		SUITE 685
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92122
		BUSINESS PHONE:		858-546-2460

	MAIL ADDRESS:	
		STREET 1:		4370 LA JOLLA VILLAGE DR
		STREET 2:		SUITE 685
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			AVALON VENTURES VII GP, LLC
		CENTRAL INDEX KEY:			0001380392
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37985
		FILM NUMBER:		17989915

	BUSINESS ADDRESS:	
		STREET 1:		888 PROSPECT ST., #320
		CITY:			LA JOLLA
		STATE:			CA
		ZIP:			92037
		BUSINESS PHONE:		858-348-2184

	MAIL ADDRESS:	
		STREET 1:		888 PROSPECT ST., #320
		CITY:			LA JOLLA
		STATE:			CA
		ZIP:			92037

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ANAPTYSBIO INC
		CENTRAL INDEX KEY:			0001370053
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				203828755
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		10421 PACIFIC CENTER COURT, SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-362-6295

	MAIL ADDRESS:	
		STREET 1:		10421 PACIFIC CENTER COURT, SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ANAPTYS BIOSCIENCES INC
		DATE OF NAME CHANGE:	20060724
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-07-26</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001370053</issuerCik>
        <issuerName>ANAPTYSBIO INC</issuerName>
        <issuerTradingSymbol>ANAB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001318999</rptOwnerCik>
            <rptOwnerName>Avalon Ventures VII L P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1134 KLINE STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LA JOLLA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92037</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001380392</rptOwnerCik>
            <rptOwnerName>AVALON VENTURES VII GP, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AVALON VENTURES VII, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>1134 KLINE STREET</rptOwnerStreet2>
            <rptOwnerCity>LA JOLLA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001311643</rptOwnerCik>
            <rptOwnerName>Kinsella Kevin J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AVALON VENTURES VII, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>1134 KLINE STREET</rptOwnerStreet2>
            <rptOwnerCity>LA JOLLA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92037</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001695652</rptOwnerCik>
            <rptOwnerName>Tomlin Stephen Lawrence</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AVALON VENTURES VII, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>1134 KLINE STREET</rptOwnerStreet2>
            <rptOwnerCity>LA JOLLA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92037</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-07-26</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>399987</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1636945</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-07-26</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>37040</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>37040</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-07-26</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>37040</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>24.35</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents a pro-rata in-kind distribution of Common Stock by Avalon Ventures VII, L.P. effected on July 26, 2017 without consideration to its limited partners and to its general partner, Avalon Ventures VII GP, LLC.</footnote>
        <footnote id="F2">Represents the receipt by Avalon Ventures VII GP, LLC, the general partner of Avalon Ventures VII, L.P., of its pro-rata portion of the in-kind distribution described in footnote 1.</footnote>
        <footnote id="F3">Represents the open-market sale by Avalon Ventures VII GP, LLC, the general partner of Avalon Ventures VII, L.P., of the Common Stock received as a result of the in-kind distribution described in footnote 1.</footnote>
    </footnotes>

    <remarks>Avalon Ventures VII GP, LLC is the general partner of Avalon Ventures VII, L.P.  The managing members of Avalon Ventures VII GP, LLC are Kevin J. Kinsella and Stephen L. Tomlin.  As a result of the transactions reported herein, none of the Reporting Owners will beneficially own 10% or greater of the outstanding Common Stock or otherwise be subject to Section 16 (except as expressly provided by Section 16 once reporting status has ended).</remarks>

    <ownerSignature>
        <signatureName>Avalon Ventures VII, L.P., Avalon Ventures VII GP, LLC, Kevin Kinsella, Stephen Tomlin, By: /s/ Tighe Reardon, Attorney-in-Fact</signatureName>
        <signatureDate>2017-07-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
