-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 BbdmFeEY0/Ivt9PtTaPMRXx1AViXXSFB7DJ5LR6wwZIx7UR86Gt6GvOPEI0mx3Cx
 Y3ScTWKBmB0w7T/qUBZdCA==

<SEC-DOCUMENT>0001416377-10-000005.txt : 20100802
<SEC-HEADER>0001416377-10-000005.hdr.sgml : 20100802
<ACCEPTANCE-DATETIME>20100730203627
ACCESSION NUMBER:		0001416377-10-000005
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20100802
DATE AS OF CHANGE:		20100730
EFFECTIVENESS DATE:		20100802

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HEMAQUEST PHARMACEUTICALS
		CENTRAL INDEX KEY:			0001416377
		IRS NUMBER:				260814473
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-110234
		FILM NUMBER:		10982494

	BUSINESS ADDRESS:	
		STREET 1:		1229 MADISON STREET
		STREET 2:		SUITE 680
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98104
		BUSINESS PHONE:		(206) 682-1233

	MAIL ADDRESS:	
		STREET 1:		1229 MADISON STREET
		STREET 2:		SUITE 680
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HemaGenex Pharmaceuticals Inc
		DATE OF NAME CHANGE:	20071026
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <schemaVersion>X0704</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001416377</cik>
        <entityName>HEMAQUEST PHARMACEUTICALS</entityName>
        <issuerAddress>
            <street1>1229 MADISON STREET</street1>
            <street2>SUITE 680</street2>
            <city>SEATTLE</city>
            <stateOrCountry>WA</stateOrCountry>
            <stateOrCountryDescription>WASHINGTON</stateOrCountryDescription>
            <zipCode>98104</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(206) 682-1233</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>HemaGenex Pharmaceuticals Inc</previousName>
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        <entityType>Corporation</entityType>
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            <value>2007</value>
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            <relatedPersonName>
                <firstName>Ronald</firstName>
                <lastName>Berenson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1229 Madison Street, Suite 680</street1>
                <city>Seattle</city>
                <stateOrCountry>WA</stateOrCountry>
                <stateOrCountryDescription>WASHINGTON</stateOrCountryDescription>
                <zipCode>98104</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Frederick</firstName>
                <lastName>Dotzler</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>400 Hamilton Ave., Suite 300</street1>
                <city>Palo Alto</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94301</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Ivor</firstName>
                <lastName>Royston</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>9393 Towne Centre Drive, Suite 200</street1>
                <city>San Diego</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>92121</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Susan</firstName>
                <lastName>Perrine</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>715 Albany Street, L-909</street1>
                <city>Boston</city>
                <stateOrCountry>MA</stateOrCountry>
                <stateOrCountryDescription>MASSACHUSETTS</stateOrCountryDescription>
                <zipCode>02118</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Mark</firstName>
                <lastName>Handfelt</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>701 Fifth Ave., Suite 5100</street1>
                <city>Seattle</city>
                <stateOrCountry>WA</stateOrCountry>
                <stateOrCountryDescription>WASHINGTON</stateOrCountryDescription>
                <zipCode>98104</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>George</firstName>
                <lastName>Stamatoyannopoulos</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>702 35th Ave.</street1>
                <city>Seattle</city>
                <stateOrCountry>WA</stateOrCountry>
                <stateOrCountryDescription>WASHINGTON</stateOrCountryDescription>
                <zipCode>98122</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Wayne</firstName>
                <lastName>Roe</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>5311 Elsmere Avenue</street1>
                <city>Bethesda</city>
                <stateOrCountry>MD</stateOrCountry>
                <stateOrCountryDescription>MARYLAND</stateOrCountryDescription>
                <zipCode>20814</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Naheed</firstName>
                <lastName>Misfeldt</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>One Embarcadero Center</street1>
                <street2>Suite 4000</street2>
                <city>San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94111</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Armen</firstName>
                <lastName>Shanafelt</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>115 W Washington Street</street1>
                <street2>Suite 1680 - S</street2>
                <city>Indianapolis</city>
                <stateOrCountry>IN</stateOrCountry>
                <stateOrCountryDescription>INDIANA</stateOrCountryDescription>
                <zipCode>46204</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Paul</firstName>
                <lastName>Goddard</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>6300 Dumbarton Circle</street1>
                <city>Fremont</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94555</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>James</firstName>
                <middleName>N.</middleName>
                <lastName>Woody</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>One Embarcadero Center</street1>
                <street2>Suite 4050</street2>
                <city>San Francisco</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94111</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pharmaceuticals</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001416377-10-000004</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-01-19</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>16124045</totalOfferingAmount>
            <totalAmountSold>16064150</totalAmountSold>
            <totalRemaining>59895</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>12</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>HEMAQUEST PHARMACEUTICALS</issuerName>
                <signatureName>/s/Nancy P.A. Williams</signatureName>
                <nameOfSigner>Nancy P.A. Williams</nameOfSigner>
                <signatureTitle>Attorney-in-Fact</signatureTitle>
                <signatureDate>2010-07-30</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
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</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----