<SEC-DOCUMENT>0000932440-16-000383.txt : 20160513
<SEC-HEADER>0000932440-16-000383.hdr.sgml : 20160513
<ACCEPTANCE-DATETIME>20160513160451
ACCESSION NUMBER:		0000932440-16-000383
CONFORMED SUBMISSION TYPE:	13F-HR
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20160331
FILED AS OF DATE:		20160513
DATE AS OF CHANGE:		20160513
EFFECTIVENESS DATE:		20160513

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ProQuest Associates IV LLC
		CENTRAL INDEX KEY:			0001431819
		IRS NUMBER:				205934968
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-HR
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-16604
		FILM NUMBER:		161648327

	BUSINESS ADDRESS:	
		STREET 1:		2430 VANDERBILT BEACH ROAD
		STREET 2:		#108 - 190
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34109
		BUSINESS PHONE:		609-919-3567

	MAIL ADDRESS:	
		STREET 1:		2430 VANDERBILT BEACH ROAD
		STREET 2:		#108 - 190
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34109
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      <periodOfReport>03-31-2016</periodOfReport>
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      <reportCalendarOrQuarter>03-31-2016</reportCalendarOrQuarter>
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      <filingManager>
        <name>ProQuest Associates IV LLC</name>
        <address>
          <ns1:street1>2430 Vanderbilt Beach Road</ns1:street1>
          <ns1:street2>#108 - 190</ns1:street2>
          <ns1:city>Naples</ns1:city>
          <ns1:stateOrCountry>FL</ns1:stateOrCountry>
          <ns1:zipCode>34109</ns1:zipCode>
        </address>
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      <reportType>13F HOLDINGS REPORT</reportType>
      <form13FFileNumber>028-16604</form13FFileNumber>
      <provideInfoForInstruction5>Y</provideInfoForInstruction5>
      <additionalInformation>ProQuest Associates IV LLC is the general partner of ProQuest Investments IV, L.P.  ProQuest Associates III LLC is the general partner of ProQuest Investments III, L.P. ProQuest Management, L.L.C. is engaged as manager for ProQuest Associates IV LLC and ProQuest Associates III LLC but does not maintain investment and voting power with respect to securities held or controlled by them. Jay Moorin and Alain Schreiber, individuals, control ProQuest Associates IV LLC, ProQuest Associates III LLC and ProQuest Management, L.L.C. ProQuest Associates IV LLC, ProQuest Associates III LLC, Jay Moorin and Alain Schreiber do not own any securities reported herein directly.</additionalInformation>
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    <signatureBlock>
      <name>Pasquale DeAngelis</name>
      <title>Member</title>
      <phone>609-919-3567</phone>
      <signature>/s/ Pasquale DeAngelis</signature>
      <city>Buckingham</city>
      <stateOrCountry>PA</stateOrCountry>
      <signatureDate>05-13-2016</signatureDate>
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    <nameOfIssuer>AGILE THERAPEUTICS, INC.</nameOfIssuer>
    <titleOfClass>Common Stock</titleOfClass>
    <cusip>00847L100</cusip>
    <value>12165</value>
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    <nameOfIssuer>ANTHERA PHARMACEUTICALS INC.</nameOfIssuer>
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    <cusip>03674U201</cusip>
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    <nameOfIssuer>EAGLE PHARMACEUTICALS, INC.</nameOfIssuer>
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  <infoTable>
    <nameOfIssuer>IMMUNE DESIGN CORP.</nameOfIssuer>
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    <cusip>45252L103</cusip>
    <value>25515</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1962720</sshPrnamt>
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