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<H5 align="left" style="page-break-before:always"><A HREF="#tocpage">Table of Contents</A></H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">







<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>As filed with the Securities and Exchange Commission on August&nbsp;7, 2009</B>
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 6pt"><B>Registration No.&nbsp;333- </B><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
</DIV>

<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt; margin-top: 3pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>


<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>REGISTRATION STATEMENT<BR>
<i>UNDER<BR>
THE SECURITIES ACT OF 1933</i></B>
</DIV>
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 10pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>DEALERTRACK HOLDINGS, INC.</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter)</DIV>

<DIV align="center"><DIV style="font-size: 3pt; margin-top: 10pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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<TR valign="bottom">
    <TD width="48%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="48%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware</B><BR>
(State of other jurisdiction of incorporation or organization)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>52-2336218</B><BR>
(I.R.S. Employer Identification No.)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>1111 Marcus Avenue, Suite&nbsp;M04<BR>
Lake Success, New York</B><BR>
(Address of principal executive offices)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="bottom"><B>11042</B><BR>
(Zip Code)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Third Amended and Restated 2005 Incentive Award Plan</B><BR>
(Full title of plan)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Gary N. Papilsky, Esq.<BR>
Vice President, General Counsel and Secretary<BR>
DealerTrack Holdings, Inc.<BR>
1111 Marcus Avenue, Suite&nbsp;M04<BR>
Lake Success, New York 11042<BR>
(516)&nbsp;734-3600</B><BR>
(Name, address, including zip code, and telephone number, including area code, of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">Copy to:<BR>
Andrew J. Varner<BR>
O&#146;Melveny &#038; Myers LLP<BR>
Times Square Tower<BR>
7 Times Square<BR>
New York, NY 10036<BR>
(212)&nbsp;326-2000<BR>
(212)&nbsp;326-2061 (fax)</DIV>



<DIV style="MARGIN-TOP: 6pt; FONT-SIZE: 10pt" align=left>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Indicate by check mark whether the
registrant is a large accelerated filer, an accelerated filer, a non-accelerated
filer, or a smaller reporting company. See the definitions of &#147;large accelerated
filer,&#148; &#147;accelerated filer&#148; and &#147;smaller reporting company&#148; in Rule 12b-2 of the
Exchange Act. (Check one):</DIV>


<DIV align=center>
<TABLE style="FONT-SIZE: 10pt" cellSpacing=0 cellPadding=0 width="100%" border=0>

  <TR style="FONT-SIZE: 1pt">
    <TD width="10%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD></TR>

  <TR vAlign=top>
    <TD vAlign=top noWrap align=left><FONT face="Wingdings">&#254;</FONT> Large accelerated filer </TD>
    <TD>&nbsp;</TD>
    <TD vAlign=top noWrap align=center><FONT face="Wingdings">&#111;</FONT> Accelerated filer
</TD>
    <TD align=center>&nbsp;</TD>
    <TD noWrap align=center><FONT face="Wingdings">&#111;</FONT> Non-accelerated filer <BR>(Do not check if a smaller reporting
company)</TD>
    <TD align=center>&nbsp;</TD>
    <TD vAlign=top noWrap align=center><FONT face="Wingdings">&#111;</FONT> Smaller reporting company</TD></TR></TABLE></DIV>





<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>CALCULATION OF REGISTRATION FEE</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="1%">&nbsp;</TD>
    <TD width="44%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="11%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Proposed</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Maximum</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Amount of</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Offering Price</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000">Proposed Maximum</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">Title of Securities</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Shares to be</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Per</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Aggregate Offering</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Amount of</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">to be Registered</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Registered (1)</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Share (2)</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Price (2)</TD>
    <TD style="border-right: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Registration Fee</TD>
    <TD width="1%">&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD align="center" style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock $0.01 par value</DIV></TD>
    <TD style="border-right: 1px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">4,855,847</TD>
    <TD style="border-right: 1px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$18.89</TD>
    <TD style="border-right: 1px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$91,726,950</TD>
    <TD style="border-right: 1px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$5,119</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

<!-- End Table Body -->
</TABLE>
</DIV>



<DIV style="margin-top: 3pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>
<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Pursuant to Rule&nbsp;416 under the Securities Act of 1933, as amended (the &#147;Securities Act&#148;), this Registration
Statement shall also be deemed to cover an indeterminate number of additional shares of Common Stock of
DealerTrack Holdings, Inc. (the &#147;Company&#148;) issuable in the event the number of outstanding shares of the
Company is increased by split-up, reclassification, stock dividend, recapitalization, and certain other
capital adjustments and the like.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Estimated solely for the purpose of calculating the registration fee. In accordance with Rules 457(c) and
457(h), the proposed maximum offering price per share, the proposed maximum aggregate offering price, and
the registration fee shown has been computed based upon the average of the high and low sales price of the
Company&#146;s Common Stock on August&nbsp;5, 2009, as reported on the Nasdaq Global Market.</TD>
</TR>

</TABLE>
</DIV>


<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>







<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left">
<!-- TOC -->
</DIV>
<DIV align="left">
<A name="tocpage"></A>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><U><B>TABLE OF CONTENTS</B></U>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="100%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px"><A href="#101">NOTE</A></DIV></TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px"><A href="#102">PART II</A></DIV></TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px"><A href="#103">Item&nbsp;8. Exhibits</A></DIV></TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px"><A href="#104">SIGNATURES</A></DIV></TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px"><A href="#105">Exhibit&nbsp;Index</A></DIV></TD>
</TR>
<!-- End Table Body -->
<TR><TD colspan="9"><FONT size="2">&nbsp;<A HREF="y78688exv5w1.htm">EX-5.1</A></FONT></TD></TR>
<TR><TD colspan="9"><FONT size="2">&nbsp;<A HREF="y78688exv23w2.htm">EX-23.2</A></FONT></TD></TR>
</TABLE>
</DIV>

<DIV align="left">
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</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always"><A HREF="#tocpage">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left">
<A name="101"></A>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>EXPLANATORY NOTE</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Registration
Statement is filed by DealerTrack Holdings, Inc. (the &#147;Company&#148;) to register
additional securities issuable pursuant to the Third Amended and Restated 2005 Incentive Award Plan
(the &#147;2005 Plan&#148;) and consists of only those items required by General Instruction&nbsp;E to Form&nbsp;S-8.
This Registration Statement on Form&nbsp;S-8 registers 4,855,847 additional shares of common stock, par
value $0.01 per share (the &#147;Common Stock&#148;), of the Company reserved for issuance under the 2005
Plan, which shares are in addition to 1,550,000 shares of Common Stock previously registered
pursuant to Registration Statement on Form&nbsp;S-8 (File No.&nbsp;333-152941), 1,300,000 shares of Common
Stock previously registered pursuant to Registration Statement on Form&nbsp;S-8 (File No.&nbsp;333-144491)
and 3,183,853 shares of Common Stock previously registered pursuant to Registration Statement on
Form&nbsp;S-8 (File No.&nbsp;333-130310). The current filing is being made to register 4,855,847 additional
shares approved at the Annual Meeting of Stockholders of the Company held on June&nbsp;17, 2009. After
giving effect to this Registration Statement, an aggregate of 10,889,700 shares of Common Stock
have been registered for issuance pursuant to the 2005 Plan.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART I</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">INFORMATION REQUIRED IN THE<BR>
SECTION 10(a) PROSPECTUS

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The document(s) containing the information specified in Part&nbsp;I of Form S-8 will be sent or
given to participants as specified by Securities Act Rule&nbsp;428(b)(1).
</DIV>


<DIV align="left">
<A name="102"></A>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART II</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">INFORMATION REQUIRED IN THE<BR>
REGISTRATION STATEMENT

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;3. Incorporation of Certain Documents by Reference</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following documents of the Company filed with the Securities and Exchange Commission (the
&#147;Commission&#148;) are incorporated herein by reference:
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company&#146;s Annual Report on Form 10-K for its fiscal year ended December&nbsp;31,
2008, filed with the Commission on February&nbsp;24, 2009 and as amended by the Company&#146;s
Form 10-K/A filed with the SEC on April&nbsp;30 2009 (Commission File No.&nbsp;000-51653);</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company&#146;s Quarterly Report on Form 10-Q for its fiscal quarter ended March
31, 2009, filed with the Commission on May&nbsp;8, 2009 (Commission File No.&nbsp;000-51653);</TD>
</TR>

</TABLE>
</DIV>

<DIV style="margin-top: 6pt"><TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">


<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(c)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company&#146;s Quarterly Report on Form 10-Q for its fiscal quarter ended June&nbsp;30,
2009, filed with the Commission on August&nbsp;7, 2009 (Commission File No.&nbsp;000-51653);</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(d)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company&#146;s Current Reports on Form 8-K, filed with the Commission on February
19, 2009, March&nbsp;4, 2009, March&nbsp;17, 2009, May&nbsp;7, 2009, May&nbsp;20, 2009, June&nbsp;22, 2009, July
7, 2009 and August&nbsp;6, 2009. (Commission File No.&nbsp;000-51653);</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(e)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The description of the Company&#146;s Common Stock contained in its Registration
Statement on Form 8-A filed with the Commission on December&nbsp;6, 2005 (Commission File No.
000-51653), and any other amendment or report filed for the purpose of updating such
description; and</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(f)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Company&#146;s Registration Statements on Form S-8 relating to the Plan, filed
with the Commission on December&nbsp;14, 2005 (Commission File No.&nbsp;333-130310), July&nbsp;11, 2007
(Commission File No.&nbsp;333-144491) and August&nbsp;8, 2008 (Commission File No.&nbsp;333-152941).</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All documents subsequently filed by the Company pursuant to Sections&nbsp;13(a), 13(c), 14 and
15(d) of the Securities Exchange Act of 1934, as amended (the &#147;Exchange Act&#148;), prior to the filing
of a post-effective amendment which indicates that all securities offered hereby have been sold or
which deregisters all securities then remaining unsold, shall be deemed to be incorporated by
reference into this Registration Statement and to be a part hereof from the date of filing of such
documents; provided, however, that documents or information deemed to have been furnished and not
filed in accordance with Commission rules shall not be deemed incorporated by reference into this
Registration Statement. Any statement contained herein or in a document, all or a portion of which
is incorporated or deemed to be incorporated by reference herein, shall be deemed to be modified or
superseded for purposes of this Registration Statement to the extent that a statement contained
herein or in any other subsequently filed document which also is or is deemed to be incorporated by
reference herein modifies or supersedes such statement. Any such statement so modified or
superseded shall not be deemed, except as so modified or amended, to constitute a part of this
Registration Statement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;5. Interests of Named Experts and Counsel</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>
<DIV align="left">
<A name="103"></A>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8. Exhibits</B>
</DIV>


<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>See the attached Exhibit&nbsp;Index, which is incorporated herein by reference.</TD>
</TR>

</TABLE>
</DIV>
<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#tocpage">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV style="margin-top: 6pt"><TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">



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<DIV align="left">
<A name="104"></A>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act, the Registrant certifies that it has
reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has
duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Lake Success, State of New York, on August&nbsp;7, 2009.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">DEALERTRACK HOLDINGS, INC.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark F. O&#146;Neil
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Mark F. O&#146;Neil&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Chairman, President and Chief Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>POWER OF ATTORNEY</B>
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each of the undersigned officers and directors of the Company hereby severally constitutes and
appoints each of Mark F. O&#146;Neil and Eric D. Jacobs the undersigned&#146;s true and lawful
attorney-in-fact and agent, with full power of substitution and resubstitution, for the undersigned
and in the undersigned&#146;s name, place and stead, in any and all capacities (unless revoked in
writing), to sign this Registration Statement on <BR>
Form S-8, and any and all amendments thereto,
including any post-effective amendments as well as any related registration statement (or amended
thereto) filed in reliance upon Rule 462(b) under the Securities Act, as amended and to file the
same, with all exhibits thereto and other documents in connection therewith, with the Securities
and Exchange Commission, granting to such attorney-in-fact and agent full power and authority to do
and perform each and every act and thing requisite or necessary to be done in connection therewith,
as fully as to all intents and purposes as the undersigned might and could do in person, hereby
ratifying and confirming all that said attorney-in-fact and agents or his substitute or
substitutes, may lawfully do or cause to be done by virtue thereof.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always"><A HREF="#tocpage">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Pursuant to the requirements of the Securities Act, this Registration Statement has been signed by
the following persons in the capacities indicated as of August&nbsp;7, 2009.
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="35%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Signature</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Mark F. O&#146;Neil
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Mark F. O&#146;Neil
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chairman, President and Chief Executive Officer (as principal<br>executive officer of DealerTrack Holdings, Inc.)&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="top">
    <TD valign="bottom" style="border-bottom: 1px solid #000000">/s/ Eric D. Jacobs


</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Senior Vice President, Chief Financial and Administrative Officer (as </TD>
</TR>
<TR valign="top">
    <TD valign="top">Eric D. Jacobs
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">principal financial officer and principal accounting officer of<br> DealerTrack Holdings, Inc.)&nbsp;</TD>
</TR>

<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Barry Zwarenstein
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Barry Zwarenstein
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Mary Cirillo-Goldberg
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Mary Cirillo-Goldberg
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Ann B. Lane
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Ann B. Lane</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ John J. McDonnell, Jr.
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">John J. McDonnell, Jr.
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ James David Power III
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">James David Power III</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ James Foy
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">James Foy</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Howard L. Tischler
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Howard L. Tischler</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
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</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
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<H5 align="left" style="page-break-before:always"><A HREF="#tocpage">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left">
<A name="105"></A>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><FONT style="font-variant: SMALL-CAPS"><B>Exhibit&nbsp;Index</B></FONT>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="95%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Third Amended and Restated 2005 Incentive Award Plan of DealerTrack Holdings,
Inc. (incorporated herein by reference to Exhibit&nbsp;I to the Company&#146;s
Definitive Proxy Statement, filed on May&nbsp;13, 2009).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Counsel regarding the legality of the Common Stock being registered.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Counsel (included in Exhibit&nbsp;5.1).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Independent Registered Public Accounting Firm.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included on signature page).</TD>
</TR>
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sv8
Table of Contents
As filed with the Securities and Exchange Commission on August 7, 2009
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
DEALERTRACK HOLDINGS, INC.
(Exact name of registrant as specified in its charter)
Delaware
(State of other jurisdiction of incorporation or organization)
52-2336218
(I.R.S. Employer Identification No.)
1111 Marcus Avenue, Suite M04
Lake Success, New York
(Address of principal executive offices)
11042
(Zip Code)
Third Amended and Restated 2005 Incentive Award Plan
(Full title of plan)
Gary N. Papilsky, Esq.
Vice President, General Counsel and Secretary
DealerTrack Holdings, Inc.
1111 Marcus Avenue, Suite M04
Lake Success, New York 11042
(516) 734-3600
(Name, address, including zip code, and telephone number, including area code, of agent for service)
Copy to:
Andrew J. Varner
O'Melveny & Myers LLP
Times Square Tower
7 Times Square
New York, NY 10036
(212) 326-2000
(212) 326-2061 (fax)
Indicate by check mark whether the
registrant is a large accelerated filer, an accelerated filer, a non-accelerated
filer, or a smaller reporting company. See the definitions of "large accelerated
filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the
Exchange Act. (Check one):
þ
Large accelerated filer
o
Accelerated filer
o
Non-accelerated filer
(Do not check if a smaller reporting
company)
o
Smaller reporting company
CALCULATION OF REGISTRATION FEE
Proposed
Maximum
Amount of
Offering Price
Proposed Maximum
Title of Securities
Shares to be
Per
Aggregate Offering
Amount of
to be Registered
Registered (1)
Share (2)
Price (2)
Registration Fee
Common Stock $0.01 par value
4,855,847
$18.89
$91,726,950
$5,119
(1)
Pursuant to Rule 416 under the Securities Act of 1933, as amended (the "Securities Act"), this Registration
Statement shall also be deemed to cover an indeterminate number of additional shares of Common Stock of
DealerTrack Holdings, Inc. (the "Company") issuable in the event the number of outstanding shares of the
Company is increased by split-up, reclassification, stock dividend, recapitalization, and certain other
capital adjustments and the like.
(2)
Estimated solely for the purpose of calculating the registration fee. In accordance with Rules 457(c) and
457(h), the proposed maximum offering price per share, the proposed maximum aggregate offering price, and
the registration fee shown has been computed based upon the average of the high and low sales price of the
Company's Common Stock on August 5, 2009, as reported on the Nasdaq Global Market.
TABLE OF CONTENTS
NOTE
PART II
Item 8. Exhibits
SIGNATURES
Exhibit Index
EX-5.1
EX-23.2
Table of Contents
EXPLANATORY NOTE
This Registration
Statement is filed by DealerTrack Holdings, Inc. (the "Company") to register
additional securities issuable pursuant to the Third Amended and Restated 2005 Incentive Award Plan
(the "2005 Plan") and consists of only those items required by General Instruction E to Form S-8.
This Registration Statement on Form S-8 registers 4,855,847 additional shares of common stock, par
value $0.01 per share (the "Common Stock"), of the Company reserved for issuance under the 2005
Plan, which shares are in addition to 1,550,000 shares of Common Stock previously registered
pursuant to Registration Statement on Form S-8 (File No. 333-152941), 1,300,000 shares of Common
Stock previously registered pursuant to Registration Statement on Form S-8 (File No. 333-144491)
and 3,183,853 shares of Common Stock previously registered pursuant to Registration Statement on
Form S-8 (File No. 333-130310). The current filing is being made to register 4,855,847 additional
shares approved at the Annual Meeting of Stockholders of the Company held on June 17, 2009. After
giving effect to this Registration Statement, an aggregate of 10,889,700 shares of Common Stock
have been registered for issuance pursuant to the 2005 Plan.
PART I
INFORMATION REQUIRED IN THE
SECTION 10(a) PROSPECTUS
The document(s) containing the information specified in Part I of Form S-8 will be sent or
given to participants as specified by Securities Act Rule 428(b)(1).
PART II
INFORMATION REQUIRED IN THE
REGISTRATION STATEMENT
Item 3. Incorporation of Certain Documents by Reference
The following documents of the Company filed with the Securities and Exchange Commission (the
"Commission") are incorporated herein by reference:
(a)
The Company's Annual Report on Form 10-K for its fiscal year ended December 31,
2008, filed with the Commission on February 24, 2009 and as amended by the Company's
Form 10-K/A filed with the SEC on April 30 2009 (Commission File No. 000-51653);
(b)
The Company's Quarterly Report on Form 10-Q for its fiscal quarter ended March
31, 2009, filed with the Commission on May 8, 2009 (Commission File No. 000-51653);
(c)
The Company's Quarterly Report on Form 10-Q for its fiscal quarter ended June 30,
2009, filed with the Commission on August 7, 2009 (Commission File No. 000-51653);
(d)
The Company's Current Reports on Form 8-K, filed with the Commission on February
19, 2009, March 4, 2009, March 17, 2009, May 7, 2009, May 20, 2009, June 22, 2009, July
7, 2009 and August 6, 2009. (Commission File No. 000-51653);
(e)
The description of the Company's Common Stock contained in its Registration
Statement on Form 8-A filed with the Commission on December 6, 2005 (Commission File No.
000-51653), and any other amendment or report filed for the purpose of updating such
description; and
(f)
The Company's Registration Statements on Form S-8 relating to the Plan, filed
with the Commission on December 14, 2005 (Commission File No. 333-130310), July 11, 2007
(Commission File No. 333-144491) and August 8, 2008 (Commission File No. 333-152941).
All documents subsequently filed by the Company pursuant to Sections 13(a), 13(c), 14 and
15(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), prior to the filing
of a post-effective amendment which indicates that all securities offered hereby have been sold or
which deregisters all securities then remaining unsold, shall be deemed to be incorporated by
reference into this Registration Statement and to be a part hereof from the date of filing of such
documents; provided, however, that documents or information deemed to have been furnished and not
filed in accordance with Commission rules shall not be deemed incorporated by reference into this
Registration Statement. Any statement contained herein or in a document, all or a portion of which
is incorporated or deemed to be incorporated by reference herein, shall be deemed to be modified or
superseded for purposes of this Registration Statement to the extent that a statement contained
herein or in any other subsequently filed document which also is or is deemed to be incorporated by
reference herein modifies or supersedes such statement. Any such statement so modified or
superseded shall not be deemed, except as so modified or amended, to constitute a part of this
Registration Statement.
Item 5. Interests of Named Experts and Counsel
Not applicable.
Item 8. Exhibits
See the attached Exhibit Index, which is incorporated herein by reference.
Table of Contents
SIGNATURES
Pursuant to the requirements of the Securities Act, the Registrant certifies that it has
reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has
duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Lake Success, State of New York, on August 7, 2009.
DEALERTRACK HOLDINGS, INC.
By:
/s/ Mark F. O'Neil
Mark F. O'Neil
Chairman, President and Chief Executive Officer
POWER OF ATTORNEY
Each of the undersigned officers and directors of the Company hereby severally constitutes and
appoints each of Mark F. O'Neil and Eric D. Jacobs the undersigned's true and lawful
attorney-in-fact and agent, with full power of substitution and resubstitution, for the undersigned
and in the undersigned's name, place and stead, in any and all capacities (unless revoked in
writing), to sign this Registration Statement on
Form S-8, and any and all amendments thereto,
including any post-effective amendments as well as any related registration statement (or amended
thereto) filed in reliance upon Rule 462(b) under the Securities Act, as amended and to file the
same, with all exhibits thereto and other documents in connection therewith, with the Securities
and Exchange Commission, granting to such attorney-in-fact and agent full power and authority to do
and perform each and every act and thing requisite or necessary to be done in connection therewith,
as fully as to all intents and purposes as the undersigned might and could do in person, hereby
ratifying and confirming all that said attorney-in-fact and agents or his substitute or
substitutes, may lawfully do or cause to be done by virtue thereof.
Table of Contents
Pursuant to the requirements of the Securities Act, this Registration Statement has been signed by
the following persons in the capacities indicated as of August 7, 2009.
Signature
Title
/s/ Mark F. O'Neil
Mark F. O'Neil
Chairman, President and Chief Executive Officer (as principal
executive officer of DealerTrack Holdings, Inc.)
/s/ Eric D. Jacobs
Senior Vice President, Chief Financial and Administrative Officer (as
Eric D. Jacobs
principal financial officer and principal accounting officer of
DealerTrack Holdings, Inc.)
/s/ Barry Zwarenstein
Barry Zwarenstein
Director
/s/ Mary Cirillo-Goldberg
Mary Cirillo-Goldberg
Director
/s/ Ann B. Lane
Director
Ann B. Lane
/s/ John J. McDonnell, Jr.
Director
John J. McDonnell, Jr.
/s/ James David Power III
Director
James David Power III
/s/ James Foy
Director
James Foy
/s/ Howard L. Tischler
Director
Howard L. Tischler
Table of Contents
Exhibit Index
4.1
Third Amended and Restated 2005 Incentive Award Plan of DealerTrack Holdings,
Inc. (incorporated herein by reference to Exhibit I to the Company's
Definitive Proxy Statement, filed on May 13, 2009).
5.1
Opinion of Counsel regarding the legality of the Common Stock being registered.
23.1
Consent of Counsel (included in Exhibit 5.1).
23.2
Consent of Independent Registered Public Accounting Firm.
24.3
Power of Attorney (included on signature page).