<SEC-DOCUMENT>0001172661-17-000496.txt : 20170213
<SEC-HEADER>0001172661-17-000496.hdr.sgml : 20170213
<ACCEPTANCE-DATETIME>20170213133831
ACCESSION NUMBER:		0001172661-17-000496
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170213
DATE AS OF CHANGE:		20170213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DYNAVAX TECHNOLOGIES CORP
		CENTRAL INDEX KEY:			0001029142
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				330728374
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-80035
		FILM NUMBER:		17597837

	BUSINESS ADDRESS:	
		STREET 1:		2929 SEVENTH STREET
		STREET 2:		SUITE 100
		CITY:			BERKELEY
		STATE:			CA
		ZIP:			94710
		BUSINESS PHONE:		5108485100

	MAIL ADDRESS:	
		STREET 1:		2929 SEVENTH STREET
		STREET 2:		SUITE 100
		CITY:			BERKELEY
		STATE:			CA
		ZIP:			94710

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ORBIMED ADVISORS LLC
		CENTRAL INDEX KEY:			0001055951
		IRS NUMBER:				133976876
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		601 LEXINGTON AVENUE
		STREET 2:		54TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		(212) 739-6400

	MAIL ADDRESS:	
		STREET 1:		601 LEXINGTON AVENUE
		STREET 2:		54TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>dvax123116a1.htm
<DESCRIPTION>13G/A
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B></B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SECURITIES AND EXCHANGE
COMMISSION<BR> Washington, DC 20549</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SCHEDULE 13G/A<BR>
                   </B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Under the Securities Exchange Act of 1934</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(Amendment No. 1)*</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><BR STYLE="mso-special-character: line-break">
<BR STYLE="mso-special-character: line-break">
</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; border-bottom: windowtext 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Dynavax Technologies Corporation</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(Name of Issuer)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: windowtext 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Common Stock</TD></TR>
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    <TD STYLE="font: 10pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(Title of Class of Securities)</TD></TR>
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    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: windowtext 1pt solid; font: bold 10pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">268158201</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(CUSIP Number)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: windowtext 1pt solid; font: bold 10pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">December
    31, 2016</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(Date of Event Which Requires Filing of this Statement)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Check the appropriate box to designate the
rule pursuant to which this Schedule is filed:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify"><FONT STYLE="font-family: Wingdings">x</FONT><FONT STYLE="font-size: 10pt">&#9;Rule
13d-1(b)</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify"><FONT STYLE="font-family: Wingdings">o</FONT><FONT STYLE="font-size: 10pt">&#9;Rule
13d-1(c)</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify"><FONT STYLE="font-family: Wingdings">o</FONT><FONT STYLE="font-size: 10pt">&#9;Rule
13d-1(d)</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">*The remainder of this cover page shall be
filled out for a reporting person&rsquo;s initial filing on this form with respect to the subject class of securities, and for
any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The information required in the remainder of
this cover page shall not be deemed to be &ldquo;filed&rdquo; for the purpose of Section 18 of the Securities Exchange Act of 1934
(&ldquo;Act&rdquo;) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions
of the Act (however, see the Notes).</P>

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<td valign="top" width="40%">
<div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;<font style="DISPLAY: inline; FONT-WEIGHT: bold">SCHEDULE 13G/A</font></div>
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<td align="left" valign="top" width="30%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-TOP: black 2px solid; BORDER-RIGHT: black 2px solid">
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<table cellpadding="3" cellspacing="0" width="100%" style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
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<td align="left" width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: medium none; BORDER-RIGHT: medium none"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">&#160;</font></td>
<td width="12%" style="BORDER-BOTTOM: black 2px solid"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
<td width="8%" style="BORDER-BOTTOM: black 2px solid">&#160;</td>
<td width="66%" style="BORDER-BOTTOM: black 2px solid">&#160;</td>
<td align="left" width="6%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: medium none">&#160;</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">1</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt">NAME OF REPORTING </font>PERSONS</FONT></DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><FONT STYLE="display: inline; font: 10pt times new roman">I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)&nbsp;</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><FONT STYLE="font: 10pt times new roman">OrbiMed Advisors LLC</FONT></DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"></DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"></DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"></div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">2</font></div>
</td>
<td colspan="3" width="86%" style="BORDER-BOTTOM: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">(a) <font style="DISPLAY: inline; FONT-FAMILY: wingdings">o</font></font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">(b) <font style="DISPLAY: inline; FONT-FAMILY: wingdings">o</font></font></div>
</td>
<td nowrap width="6%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">3</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SEC USE ONLY</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">4</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">CITIZENSHIP OR PLACE OF ORGANIZATION</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">Delaware</div>
</td>
</tr><tr>
<td colspan="2" rowspan="4" width="20%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">NUMBER OF</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SHARES</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">BENEFICIALLY</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">OWNED BY</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">EACH</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">REPORTING</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">PERSON</font></div>

<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">WITH</font></div>
</td>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">5</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SOLE VOTING POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">6</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SHARED VOTING POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">7</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SOLE DISPOSITIVE POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><FONT STYLE="font: 10pt times new roman">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">8</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SHARED DISPOSITIVE POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">
0</div>
</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">9</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">10</font></div>
</td>
<td colspan="3" width="86%" style="BORDER-BOTTOM: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
</td>
<td valign="top" width="6%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt"><font style="DISPLAY: inline; FONT-FAMILY: wingdings; FONT-SIZE: 10pt">o</font></font></div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">11</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">0.0%</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">12</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">TYPE OF REPORTING PERSON (See Instructions)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">IA</div>
</td>
</tr></table>

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</P>
<table cellpadding="8" cellspacing="0" width="100%" style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
<td align="left" valign="top" width="30%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-TOP: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">CUSIP
No. 268158201</div>
</td>
<td valign="top" width="40%">
<div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;<font style="DISPLAY: inline; FONT-WEIGHT: bold">SCHEDULE 13G/A</font></div>
</td>
<td align="left" valign="top" width="30%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-TOP: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: right; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Page&#160;3
of&#160;9 Pages</font></div>
</td>
</tr></table>

<table cellpadding="3" cellspacing="0" width="100%" style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
<td align="left" width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: medium none; BORDER-RIGHT: medium none"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">&#160;</font></td>
<td width="12%" style="BORDER-BOTTOM: black 2px solid"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
<td width="8%" style="BORDER-BOTTOM: black 2px solid">&#160;</td>
<td width="66%" style="BORDER-BOTTOM: black 2px solid">&#160;</td>
<td align="left" width="6%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: medium none">&#160;</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">1</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt">NAME OF REPORTING </font>PERSONS</FONT></DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><FONT STYLE="display: inline; font: 10pt times new roman">I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)&nbsp;</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><FONT STYLE="font: 10pt times new roman">OrbiMed Capital LLC</DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"></DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"></DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"></div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">2</font></div>
</td>
<td colspan="3" width="86%" style="BORDER-BOTTOM: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">(a) <font style="DISPLAY: inline; FONT-FAMILY: wingdings">o</font></font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">(b) <font style="DISPLAY: inline; FONT-FAMILY: wingdings">o</font></font></div>
</td>
<td nowrap width="6%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">3</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SEC USE ONLY</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">4</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">CITIZENSHIP OR PLACE OF ORGANIZATION</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">Delaware</div>
</td>
</tr><tr>
<td colspan="2" rowspan="4" width="20%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">NUMBER OF</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SHARES</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">BENEFICIALLY</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">OWNED BY</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">EACH</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">REPORTING</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">PERSON</font></div>

<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">WITH</font></div>
</td>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">5</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SOLE VOTING POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">6</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SHARED VOTING POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">7</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SOLE DISPOSITIVE POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><FONT STYLE="font: 10pt times new roman">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">8</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SHARED DISPOSITIVE POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"></div>
0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">9</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">10</font></div>
</td>
<td colspan="3" width="86%" style="BORDER-BOTTOM: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
</td>
<td valign="top" width="6%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt"><font style="DISPLAY: inline; FONT-FAMILY: wingdings; FONT-SIZE: 10pt">o</font></font></div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">11</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">0.0%</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">12</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">TYPE OF REPORTING PERSON (See Instructions)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">IA</div>
</td>
</tr></table>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
<table cellpadding="8" cellspacing="0" width="100%" style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
<td align="left" valign="top" width="30%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-TOP: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">CUSIP No.&#160;268158201</div>
</td>
<td valign="top" width="40%">
<div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;<font style="DISPLAY: inline; FONT-WEIGHT: bold">SCHEDULE 13G/A</font></div>
</td>
<td align="left" valign="top" width="30%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-TOP: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: right; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Page&#160;4
of&#160;9 Pages</font></div>
</td>
</tr></table>

<table cellpadding="3" cellspacing="0" width="100%" style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
<td align="left" width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: medium none; BORDER-RIGHT: medium none"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">&#160;</font></td>
<td width="12%" style="BORDER-BOTTOM: black 2px solid"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
<td width="8%" style="BORDER-BOTTOM: black 2px solid">&#160;</td>
<td width="66%" style="BORDER-BOTTOM: black 2px solid">&#160;</td>
<td align="left" width="6%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: medium none">&#160;</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">1</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt">NAME OF REPORTING </font>PERSONS</FONT></DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><FONT STYLE="display: inline; font: 10pt times new roman">I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)&nbsp;</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><FONT STYLE="font: 10pt times new roman">Samuel D. Isaly</FONT></DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"></DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"></DIV>

<DIV STYLE="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"></div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">2</font></div>
</td>
<td colspan="3" width="86%" style="BORDER-BOTTOM: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">(a) <font style="DISPLAY: inline; FONT-FAMILY: wingdings">o</font></font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">(b) <font style="DISPLAY: inline; FONT-FAMILY: wingdings">o</font></font></div>
</td>
<td nowrap width="6%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">3</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SEC USE ONLY</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">4</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">CITIZENSHIP OR PLACE OF ORGANIZATION</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">United States</FONT></div>
</td>
</tr><tr>
<td colspan="2" rowspan="4" width="20%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">NUMBER OF</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SHARES</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">BENEFICIALLY</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">OWNED BY</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">EACH</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">REPORTING</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">PERSON</font></div>

<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">WITH</font></div>
</td>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">5</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SOLE VOTING POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">6</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SHARED VOTING POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><FONT STYLE="font: 10pt times new roman">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">7</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SOLE DISPOSITIVE POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><FONT STYLE="font: 10pt times new roman">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">8</font></div>
</td>
<td colspan="2" width="72%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">SHARED DISPOSITIVE POWER</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">
0</div>
</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">9</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">0</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">10</font></div>
</td>
<td colspan="3" width="86%" style="BORDER-BOTTOM: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
</td>
<td valign="top" width="6%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt"><font style="DISPLAY: inline; FONT-FAMILY: wingdings; FONT-SIZE: 10pt">o</font></font></div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">11</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">0.0%</div>
</td>
</tr><tr>
<td width="8%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: center"><font style="FONT-FAMILY: times new roman; FONT-SIZE: 14pt">12</font></div>
</td>
<td colspan="4" width="92%" style="BORDER-BOTTOM: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">TYPE OF REPORTING PERSON (See Instructions)</font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left">HC</div>
</td>
</tr></table>



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<table cellpadding="8" cellspacing="0" width="100%" style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">CUSIP No.&#160;&#160;268158201</div>
</td>
<td valign="top" width="40%">
<div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;<font style="DISPLAY: inline; FONT-WEIGHT: bold">SCHEDULE 13G/A</font></font></div>
</td>
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<div style="TEXT-ALIGN: right; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Page
5   of&#160;9 Pages</font></div>
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<TD NOWRAP STYLE="width: 33pt; text-align: left"><FONT STYLE="letter-spacing: -0.15pt"><B>Item 1.</B></FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: left"><FONT STYLE="letter-spacing: -0.15pt"><B>(a)&#9;Name of Issuer:</B></FONT></TD>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify">Dynavax Technologies Corporation</P>

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<TD STYLE="width: 33pt; text-align: right"><FONT STYLE="letter-spacing: -0.15pt"><B></B></FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"><B>(b)&#9;Address of Issuer&rsquo;s Principal
Executive Offices:</B></FONT></TD>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 1in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify">2929 Seventh Street, Suite 100</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify">Berkeley, CA 94710</P>

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<TD STYLE="width: 33pt; text-align: left"><FONT STYLE="letter-spacing: -0.15pt"><B>Item 2.</B></FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"><B>(a)&#9;Name of Person Filing</B></FONT>:</TD>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 44pt; text-indent: 0pt; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 44pt; text-indent: 0pt; text-align: justify">OrbiMed
Advisors LLC</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 44pt; text-indent: 0pt; text-align: justify">OrbiMed Capital LLC</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 44pt; text-indent: 0pt; text-align: justify">Samuel D. Isaly</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></P>

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<TD STYLE="width: 33pt; text-align: left"><FONT STYLE="letter-spacing: -0.15pt"><B></B></FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"><B>(b)&#9;Address
of Principal Business Office:</B></FONT></TD>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 44pt; text-indent: 0pt; text-align: justify">601 Lexington Avenue, 54th Floor</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 44pt; text-indent: 0pt; text-align: justify">New York, NY 10022</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify">Please refer to Item 4 on each cover sheet for each filing person</FONT>.</P>

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<TD STYLE="width: 33pt; text-align: left">&nbsp;</TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"><B>(d)&#9;Title of Class of Securities:</B></FONT></TD>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify">Common Stock</P>

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<TD STYLE="width: 33pt; text-align: left"><FONT STYLE="letter-spacing: -0.15pt"><B>&nbsp;</B></FONT></TD><TD STYLE="width: 5pt"></TD><TD STYLE="text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"><B>(e) CUSIP No.:</B></FONT></TD>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify">268158201</P>

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<tr>
<td align="left" valign="top" width="30%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-TOP: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">CUSIP No.&#160;268158201</div>
</td>
<td valign="top" width="40%">
<div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;<font style="DISPLAY: inline; FONT-WEIGHT: bold">SCHEDULE 13G/A</font></font></div>
</td>
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<div style="TEXT-ALIGN: right; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Page&#160;6
of&#160;9 Pages</font></div>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></P></DIV>

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    <TH>&nbsp;</TH></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 100%"><div align="center"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"><B></B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt 1in; text-align: justify; text-indent: -1in"><B>Item 3.&#9;</B>OrbiMed
Advisors LLC and OrbiMed Capital LLC are investment advisors in accordance with ss.240.13d-1(b)(1)(ii)(E). Samuel D. Isaly is
a control person in accordance with ss.240.13d-1(b)(1)(ii)(G).</P></TD></TR>
</TABLE><DIV STYLE="text-align: center"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt 1in; text-align: justify; text-indent: -1in"></P></DIV>

<DIV STYLE="text-align: center"><P STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify"></P> </P>
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</td>
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<div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;<font style="DISPLAY: inline; FONT-WEIGHT: bold">SCHEDULE 13G/A</font></font></div>
</td>
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<div style="TEXT-ALIGN: right; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Page
7   of&#160;9 Pages</font></div>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"><B>Item
4.&#9;Ownership:</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 44pt; text-indent: 0pt; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 44pt; text-indent: 0pt; text-align: justify">Please see Items 5 - 9 and 11 for each cover sheet for each filing.</P>

</P>

<DIV STYLE="text-align: center"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"><B>Item
5.&#9;Ownership of Five Percent or Less of a Class.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 44pt; text-indent: 0pt; text-align: justify"></P>

<DIV STYLE="text-align: center"><DIV STYLE="text-align: center"><DIV STYLE="text-align: center"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"></P></DIV>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 44pt; text-indent: 0pt; text-align: justify">If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial
owner of more than 5 percent of the class of securities, check the following [X].</P></DIV></DIV>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"><B>Item
6.&#9;Ownership of More Than Five Percent on Behalf of Another Person</B></FONT>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.15pt">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify">Not Applicable.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"><FONT STYLE="letter-spacing: -0.15pt"><B>Item
7. Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent
Holding Company or Control Person.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"><FONT STYLE="letter-spacing: -0.15pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify">Not Applicable.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"><FONT STYLE="letter-spacing: -0.15pt"><B>Item
8. Identification and Classification of Members of the Group</B></FONT>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"><FONT STYLE="letter-spacing: -0.15pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify"><FONT STYLE="letter-spacing: -0.15pt">Not Applicable.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"><FONT STYLE="letter-spacing: -0.15pt"><B>Item
9. Notice of Dissolution of Group</B>.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 22pt; text-indent: 22pt; text-align: justify">Not Applicable.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="letter-spacing: -0.15pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"><FONT STYLE="letter-spacing: -0.15pt"><B>Item
10. Certification.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"></P></DIV>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 6pt; margin-left: 44pt; text-indent: 0pt; text-align: justify">By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and
held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing
or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as
a participant in any transaction having that purpose or effect.</P>

<DIV STYLE="text-align: center"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in; text-align: justify; text-indent: -1in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

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</td>
<td valign="top" width="40%">
<div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;<font style="DISPLAY: inline; FONT-WEIGHT: bold">SCHEDULE 13G/A</font></font></div>
</td>
<td align="left" valign="top" width="30%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-TOP: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: right; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Page&#160;8
of&#160;9 Pages</font></div>
</td>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B><U>SIGNATURES</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">After reasonable inquiry
and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Dated: February 13, 2017</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></P></DIV>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">OrbiMed Advisors LLC</FONT></TD></TR>

<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 50%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 4%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 43%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Samuel D. Isaly</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name:</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;Samuel D. Isaly</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title:</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;Managing Member</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 50%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 4%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 43%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">OrbiMed Capital LLC</TD></TR>

<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 50%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 4%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 43%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Samuel D. Isaly</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name:</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;Samuel D. Isaly</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title:</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;Managing Member</TD></TR>

<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 50%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 4%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 43%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Samuel D. Isaly</TD></TR>
    <TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif"></FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif"></FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Samuel D. Isaly</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name:</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;Samuel D. Isaly</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

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<td align="left" valign="top" width="30%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-TOP: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">CUSIP No.&#160;&#160;268158201</div>
</td>
<td valign="top" width="40%">
<div style="TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;<font style="DISPLAY: inline; FONT-WEIGHT: bold">SCHEDULE 13G/A</font></font></div>
</td>
<td align="left" valign="top" width="30%" style="BORDER-BOTTOM: black 2px solid; BORDER-LEFT: black 2px solid; BORDER-TOP: black 2px solid; BORDER-RIGHT: black 2px solid">
<div style="TEXT-ALIGN: right; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Page&#160;9
of&#160;9 Pages</font></div>
</td>
</tr></table>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>EXHIBIT A</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>JOINT FILING AGREEMENT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The undersigned hereby agree that
the Statement on this Schedule 13G/A dated February 13, 2017 (the "Schedule 13G/A"), with respect to the Common Stock, par
value $0.001 per share, of Dynavax Technologies Corporation is filed on behalf of each of us pursuant to and in accordance
with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, and that this Agreement shall be
included as an Exhibit to this Schedule 13G/A. Each of the undersigned agrees to be responsible for the timely filing of the
Schedule 13G/A, and for the completeness and accuracy of the information concerning itself contained therein. This Agreement
may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">IN WITNESS WHEREOF, the undersigned have executed this Agreement as of February 13, 2017.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></P></DIV>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">OrbiMed Advisors LLC</FONT></TD></TR>

<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 50%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 4%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 43%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Samuel D. Isaly</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name:</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;Samuel D. Isaly</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title:</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;Managing Member</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 50%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 4%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 43%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
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    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">OrbiMed Capital LLC</TD></TR>

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    <TD STYLE="width: 50%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 4%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 43%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Samuel D. Isaly</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name:</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;Samuel D. Isaly</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title:</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;Managing Member</TD></TR>

<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 50%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 4%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="width: 43%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD COLSPAN="3"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Samuel D. Isaly</TD></TR>
    <TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif"></FONT></TD>
    <TD COLSPAN="2"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif"></FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Samuel D. Isaly</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name:</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;Samuel D. Isaly</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Statement on this Schedule 13G/A dated
February 13, 2017 with respect to  the Common Stock  of   Dynavax Technologies Corporation is filed by Samuel D. Isaly in accordance
with the provisions of Rule 13d-1(b) and Rule 13d-1(k), respectively, as control person (HC) of OrbiMed Advisors LLC and
OrbiMed Capital LLC.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">OrbiMed Advisors LLC and OrbiMed Capital
LLC file this statement on Schedule 13G/A in accordance with the provisions of Rule 13d-1(b) and Rule 13d-1(k), respectively,
as investment advisors (IA).</P>

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