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      <TD colspan="5" valign="top" align="CENTER" ROWSPAN="2"><DIV STYLE="MARGIN-LEFT: 20%"><B>UNITED STATES <br>
  SECURITIES AND EXCHANGE COMMISSION <br>
  Washington, D.C. 20549<br><br>
  <font style="font-size: 12pt">FORM 144<br>
  NOTICE OF PROPOSED SALE OF SECURITIES</font></B><br>
  <B><font style="font-size: 12pt">PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933</font></B></DIV></TD>
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      <TD align="left" valign="top" STYLE="BORDER: 1PX SOLID #000000" nowrap><DIV ALIGN="CENTER" style="border-bottom: 1px solid #000000; padding: 1pt">OMB APPROVAL </DIV>
  <div style="padding: 2pt" align="left">OMB Number: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3235-0101<BR>
  Expires: &nbsp;&nbsp;&nbsp;&nbsp;December&nbsp;31,2009<BR>
  Estimated average burden <BR>
  hours per response....... 2.00</div></TD>
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      <TD align="center" valign="top"><div style="border: 1px solid #000000; border-bottom: 1px solid #ffffff">SEC USE ONLY</div></TD>
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      <TD align="left" valign="top"><div style="border-right: 1px solid #000000; border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;DOCUMENT SEQUENCE NO.<BR><BR><BR></div></TD>
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      <TD align="left" valign="top"><div style="border-right: 1px solid #000000; border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;CUSIP NUMBER<BR><BR></div></TD>
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      <TD colspan="5" valign="top" align="left"><div style="margin-left: 45px; text-indent: -45px"><B>ATTENTION: </B><I>Transmit for filing 3 copies of this form
  concurrently with either placing an order with a broker to
  execute sale or executing a sale directly with a market
  maker.</I></div></TD>
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      <TD valign="top" style="border-right: 1px solid #000000; border-left: 1px solid #000000; border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px"><br style="font-size: 3pt">&nbsp;1 <I>(a) </I>NAME OF ISSUER <I>(Please type or print)</I>
  <BR><BR>&nbsp;Molecular Insight Pharmaceuticals, Inc.
  </DIV></TD>
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      <TD align="left" valign="top" style="border-right: 1px solid #000000; border-top: 1px solid #000000"><br style="font-size: 3pt"><I>(b) </I>IRS IDENT. NO<BR><BR>04-0562086
  </TD>
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      <TD align="left" valign="top" style="border-right: 1px solid #000000; border-top: 1px solid #000000"><br style="font-size: 3pt"><I>(c) </I>S.E.C. FILE NO<BR><BR>001-33284
  </TD>
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      <TD align="left" valign="top" rowspan="1"><div style="border: 1px solid #000000">&nbsp;WORK LOCATION<BR><BR><BR></div></TD>
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      <TD valign="top">1 <I>(d) </I>ADDRESS OK ISSUER</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">STREET</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">CITY</TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">STATE</TD>
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      <TD nowrap colspan="3" align="center" valign="top">ZIP CODE
  </TD>
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      <TD colspan="6" nowrap valign="top" align="center" style="border-bottom: 1px solid #000000"><I>(e) </I>TELEPHONE NO</TD>
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  </DIV></TD>
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      <TD nowrap colspan="3" align="center" valign="top"><FONT style="font-size:7pt">AREA CODE</FONT>
  </TD>
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      <TD>&nbsp;</TD>
      <TD align="center" valign="top"><FONT style="font-size:7pt">NUMBER</FONT></TD>
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      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">160 Second Street
  </DIV></TD>
      <TD>&nbsp;</TD>
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      <TD>&nbsp;</TD>
      <TD align="center" valign="top">Cambridge
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">MA
  </TD>
      <TD>&nbsp;</TD>
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      <TD align="right" valign="top">02142</TD>
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      <TD align="right" valign="top">617</TD>
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      <TD>&nbsp;</TD>
      <TD align="center" valign="top">492-5554</TD>
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      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">2 <I>(a) </I>NAME OF PERSON FOR WHOSE ACCOUNT THE <BR>
  SECURITIES ARE TO BE SOLD
  </DIV></TD>
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      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top"><I>(b) </I>RELATIONSHIP TO ISSUER
  </TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top"><I>(c) </I>ADDRESS STREET
  </TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">CITY
  </TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">STATE
  </TD>
      <TD>&nbsp;</TD>
      <TD nowrap colspan="3" align="center" valign="top">ZIP CODE
  </TD>
      <TD width="1%" style="border-right: 1px solid #000000">&nbsp;</TD>
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      <TD width="1%" style="border-left: 1px solid #000000">&nbsp;</TD>
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Donald E. Wallroth
  </DIV></TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;
  </TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Officer
  </TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">8 Deer Run
  </TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Lincoln
  </TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">MA
  </TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="right" valign="top">&nbsp;</TD>
      <TD align="right" valign="top">01773</TD>
      <TD nowrap valign="top">&nbsp;</TD>
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  <DIV align="center" style="font-size: 9pt; margin-top: 18pt">
  <B><I>INSTRUCTION:</I> </B><I>The person filing this notice should contact the issuer to obtain the I.R.S. Identification Number and the S.E.C. File Number.</I>
  </DIV>
  
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                            <TD align="left" valign="top" style="border-top: 1px solid #000000">3 <I>(a)</I>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 1px solid #000000"><I>(b)</I>
  </TD>
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      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000"><B>SEC USE ONLY</B>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 1px solid #000000"><I>(c)</I>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 1px solid #000000"><I>(d)</I>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 1px solid #000000"><I>(e)</I>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 1px solid #000000"><I>(f)</I>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 1px solid #000000"><I>(g)</I></TD>
      <TD width="1%" style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD width="1%" style="border-left: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD nowrap align="center" valign="middle" style="border-top: 0px solid #000000"><B>Title of the <BR>
  Class of <BR>Securities
  To Be Sold</B>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD nowrap align="center" valign="top" style="border-top: 0px solid #000000"><br><B>Name and Address of
  Each Broker Through
  Whom the <BR>Securities
  are to be Offered or
  Each Market Maker<BR>
  who is Acquiring the
  Securities</B>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD nowrap align="center" valign="middle" style="border-top: 1px solid #000000"><B>Broker-Dealer <BR>File
  Number</B>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD nowrap align="center" valign="bottom" style="border-top: 0px solid #000000"><B>Number of Shares <BR>or
  Other Units <BR>To Be
  Sold <BR></B><I>(See instr.
  3(c))</I>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD nowrap align="center" valign="bottom" style="border-top: 0px solid #000000"><B>Aggregate <BR>Market<BR>
  Value<BR> </B><I>(See instr.
  3(d))</I>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD nowrap align="center" valign="bottom" style="border-top: 0px solid #000000"><B>Number of Shares <BR>or
  Other Units<BR>
  Outstanding <BR></B><I>(See
  instr. 3(e))</I>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD nowrap align="center" valign="bottom" style="border-top: 0px solid #000000"><B>Approximate <BR>Date of
  Sale <BR></B><I>(See instr.
  3(f)) </I><BR><B>(MO. DAY YR.)</B>
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD nowrap align="center" valign="bottom" style="border-top: 0px solid #000000"><B>Name of Each<BR>
  Securities <BR>Exchange</B><BR>
  <I>(See instr. 3(g))</I></TD>
      <TD width="1%" style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD width="1%" style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">Common Stock
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000; font-size: 25pt">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">Fidelity Investment
  Boston, MA
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">6,500
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">$24,960
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">25,237,869
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">05/22/2009
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">Nasdaq Global Market</TD>
      <TD width="1%" style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD width="1%" style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000; font-size: 25pt">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD width="1%" style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD width="1%" style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000; font-size: 25pt">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD width="1%" style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size: 1px" valign="bottom">
      <TD nowrap align="left" colspan="24" style="border-top: 1px solid #000000">&nbsp;</TD>
  </TR>
  
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  
  <DIV style="position: relative; float: left; width: 35%">
  
  <DIV align="left" style="font-size: 8pt; margin-top: 0pt"><B>INSTRUCTIONS:</B>
  </DIV>
  
  
  <DIV style="margin-top: 0pt">
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 7pt">
  
  <TR valign="top" style="font-size: 7pt; color: #000000; background: transparent">
      <TD width="2%" style="background: transparent">1.&nbsp;</TD>
      <TD width="3%" nowrap align="left">(a)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>Name of issuer</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; 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>Issuer&#146;s I.R.S. Identification Number</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; 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>Issuer&#146;s S.E.C. file number, if any</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; 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>Issuer&#146;s address, including zip code</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; 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>Issuer&#146;s telephone number, including area code</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 10pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; color: #000000; background: transparent">
      <TD width="2%" style="background: transparent">2.&nbsp;</TD>
      <TD width="3%" nowrap align="left">(a)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>Name of person for whose account the securities are to be sold</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; 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>Such person&#146;s relationship to the issuer (e.g. officer, director, 10%
  stockholder, or member of immediate family of any of the foregoing)</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; 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>Such person&#146;s address, including zip code</TD>
  </TR>
  
  </TABLE>
  </DIV>
  </DIV>
  <DIV style="position: relative; float: right; width: 60%">
  
  <DIV style="margin-top: 0pt">
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 7pt">
  
  <TR valign="top" style="font-size: 7pt; color: #000000; background: transparent">
      <TD width="2%" style="background: transparent">3.&nbsp;</TD>
      <TD width="3%" nowrap align="left">(a)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>Title of the class of securities to be sold</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; 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>Name and address of each broker through whom the securities are
  intended to be sold</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; 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>Number of shares or other units to be sold (if debt securities, give
  the aggregate face amount)</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; 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>Aggregate market value of the securities to be sold as of a specified
  date within 10&nbsp;days prior to filing of this notice</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; 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>Number of shares or other units of the class outstanding, or if debt
  securities the face amount thereof outstanding, as shown by the most
  recent report or statement published by the issuer</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; 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>Approximate date on which the securities are to be sold</TD>
  </TR>
  
  <TR>
      <TD style="font-size: 0pt">&nbsp;</TD>
  </TR><TR valign="top" style="font-size: 7pt; color: #000000; background: transparent">
      <TD width="2%" style="background: transparent">&nbsp;</TD>
      <TD width="3%" nowrap align="left">(g)</TD>
      <TD width="1%">&nbsp;</TD>
      <TD>Name of each securities exchange if any, on which the securities are
  intended to be sold</TD>
  </TR>
  
  </TABLE>
  </DIV>
  </DIV>
  
  <br clear=all><br>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 18pt; margin-left: 8%"><B>Potential persons who are to respond to the collection of information contained
  in this form are not required to respond unless the form displays a currently
  valid OMB control number.</B>
  </DIV>
  
  <div align="right" style="margin-top: 12pt; font-size: 8pt">SEC 1147 (02-08)</div>
  
  
  <P align="center" style="font-size: 10pt"><!-- Folio --><!-- /Folio -->
  </DIV>
  
  
  
  <!-- PAGEBREAK -->
  <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="center" style="font-size: 10pt; margin-top: 18pt"><B>TABLE I &#151; SECURITIES TO BE SOLD</B>
  </DIV>
  
  
  <DIV align="Center" style="font-size: 10pt; margin-top: 0pt"><I>Furnish the following information with respect to the acquisition of the securities to be sold<BR>
  and with respect to the payment of all or any part of the purchase price or other consideration therefor:</I>
  
  </DIV>
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR style="font-size: 3pt" valign="bottom">
      <TD width="1%">&nbsp;</TD>
      <TD width="14%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD><!-- VRule -->
      <TD width="1%">&nbsp;</TD>
      <TD width="7%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD><!-- VRule -->
      <TD width="1%">&nbsp;</TD>
      <TD width="20%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD><!-- VRule -->
      <TD width="1%">&nbsp;</TD>
      <TD width="20%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD><!-- VRule -->
      <TD width="1%">&nbsp;</TD>
      <TD width="10%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD><!-- VRule -->
      <TD width="1%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD><!-- VRule -->
      <TD width="1%">&nbsp;</TD>
      <TD width="10%">&nbsp;</TD>
  
      <TD width="1%">&nbsp;</TD>
  </TR><TR style="font-size: 1px" valign="bottom">
      <TD nowrap align="left" colspan="21" style="border-bottom: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size: 8pt" valign="bottom">    <TD width="1%" style="border-left: 1px solid #000000">&nbsp;</TD>
  
      <TD nowrap align="center">Title of</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center">Date you</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">Name of Person from Whom Acquired</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">Date of</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center">&nbsp;</TD>
      <TD width="1%" style="border-right: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size: 8pt" valign="bottom">    <TD width="1%" style="border-left: 1px solid #000000">&nbsp;</TD>
  
      <TD nowrap align="center">the Class</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center">Acquired</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center">Nature of Acquisition Transaction</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><I>(If gift, also give date donor acquired)</I></TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center">Securities Acquired</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center">Payment</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center">Nature of Payment</TD>
      <TD width="1%" style="border-right: 1px solid #000000">&nbsp;</TD>
  </TR>
  
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR valign="bottom"><!-- Blank Space -->
      <TD width="1%" style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
                          <TD align="center" valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD width="1%" style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD width="1%" style="border-left: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 0px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">Common <BR>
  Stock
  </DIV></TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 0px solid #000000">5/20/2008
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 0px solid #000000">Award under employee equity
  incentive plan
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 0px solid #000000">Molecular Insight Pharmaceuticals, Inc.
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 0px solid #000000">20,000 shares
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 0px solid #000000">5/20/2008
  </TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 0px solid #000000">Cash</TD>
      <TD width="1%" style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD width="1%" style="border-left: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 0px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
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  </TR>
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      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD width="1%" style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size: 1px" valign="bottom">
      <TD nowrap align="left" colspan="21" style="border-top: 1px solid #000000">&nbsp;</TD>
  </TR>
  
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  <DIV align="left" style="margin-top: 2pt">
  <TABLE width="60%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; background: transparent; color: #000000">
  <TR>
      <TD width="3%"></TD>
      <TD width="1%"></TD>
      <TD></TD>
  </TR>
  <TR valign="top">
      <TD nowrap align="left"><B>INSTRUCTIONS:</B></TD>
      <TD>&nbsp;</TD>
      <TD><DIV align="justify">If the securities were purchased and full payment therefor
  was not made in cash at the time of purchase, explain in the
  table or in a note thereto the nature of the consideration
  given. If the consideration consisted of any note or other
  obligation, or if payment was made in installments describe
  the arrangement and state when the note or other obligation
  was discharged in full or the last installment paid.</DIV></TD>
  </TR>
  </TABLE>
  </DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 2pt">
  <DIV style="width: 100%; border-bottom: 2px solid #000000; font-size: 1px">&nbsp;</DIV><B>TABLE II &#151; SECURITIES SOLD DURING THE PAST 3 MONTHS</B><BR>
  <I>Furnish the following information as to all securities of the issuer sold during the past 3&nbsp;months by the person for whose account the securities are to be sold.</I>
  </DIV>
  
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR style="font-size: 3pt" valign="bottom">
      <TD width="1%">&nbsp;</TD>
      <TD width="40%">&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="10%">&nbsp;</TD>
      <TD width="2%">&nbsp;</TD><!-- VRule -->
      <TD width="2%">&nbsp;</TD>
      <TD width="10%">&nbsp;</TD>
      <TD width="2%">&nbsp;</TD><!-- VRule -->
      <TD width="2%">&nbsp;</TD>
      <TD width="15%">&nbsp;</TD>
  
      <TD width="1%">&nbsp;</TD>
  </TR><TR style="font-size: 1px" valign="bottom">
      <TD nowrap align="left" colspan="15" style="border-bottom: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size: 8pt" valign="bottom">    <TD width="1%" style="border-left: 1px solid #000000">&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>&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">&nbsp;</TD>
      <TD width="1%" style="border-right: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size: 8pt" valign="bottom">    <TD width="1%" style="border-left: 1px solid #000000">&nbsp;</TD>
  
      <TD nowrap align="center">Name and Address of Seller</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center">Title of Securities Sold</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center">Date of Sale</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center">Securities Sold</TD>
      <TD style="border-right: 1px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center">Gross Proceeds</TD>
      <TD width="1%" style="border-right: 1px solid #000000">&nbsp;</TD>
  </TR>
  
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR valign="bottom"><!-- Blank Space -->
      <TD width="1%" style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
                      <TD valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
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      <TD style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
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      <TD align="left" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
      <TD width="1%" style="border-right: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD width="1%" style="border-left: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD valign="top" style="border-top: 0px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">N/A</DIV></TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
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      <TD align="left" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD width="1%" style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
  </TR>
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      <TD width="1%" style="border-left: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD valign="top" style="border-top: 0px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
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      <TD width="1%" style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD width="1%" style="border-left: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD valign="top" style="border-top: 0px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
      <TD style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD align="left" valign="top" style="border-top: 0px solid #000000">&nbsp;</TD>
      <TD width="1%" style="border-right: 1px solid #000000; border-top: 0px solid #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size: 1px" valign="bottom">
      <TD nowrap align="left" colspan="15" style="border-top: 1px solid #000000">&nbsp;</TD>
  </TR>
  
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 3pt"><b>REMARKS:</b>
  </DIV>
  
  <DIV align="center" style="margin-top: 20pt">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR valign="bottom">
      <TD width="45%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="50%">&nbsp;</TD>
  </TR>
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><B>INSTRUCTIONS:</B>
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top"><B>ATTENTION:</B></TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV align="justify" style="margin-left:0px; text-indent:-0px">See the definition of &#147;person&#148; in
  paragraph (a)&nbsp;of Rule&nbsp;144.
  Information is to be given not only
  as to the person for whose account
  the securities are to be sold but
  also as to all other persons
  included in that definition. In
  addition, information shall be given
  as to sales by all persons whose
  sales are required by paragraph (e)
  of Rule&nbsp;144 to be aggregated with
  sales for the account of the person
  filing this notice.
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top"><I>The person for whose account the
  securities to which this notice
  relates are to be sold hereby
  represents by signing this notice
  that he does not know any material
  adverse information in regard to the
  current and prospective operations
  of the Issuer of the securities to
  be sold which has not been publicly
  disclosed. If such person has adopted
  a written trading plan or given
  trading instructions to satisfy Rule
  10b5-1 under the Exchange Act, by
  signing the form and indicating the
  date that the plan was adopted or
  the instruction given, that person
  makes such
  representation as of the plan adoption
  or instruction date.</I></TD>
  </TR>
  <!-- End Table Body -->
  </TABLE>
  </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="45%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="50%">&nbsp;</TD>
  </TR>
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR valign="bottom">
      <TD align="center" valign="bottom"><DIV style="margin-left:0px; text-indent:-0px">5/26/2009
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="bottom"><IMG src="b75661mib7566101.gif" alt="()"></TD>
  </TR>
  <TR style="font-size: 1px">
      <TD align="center" valign="bottom" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="bottom" style="border-top: 1px solid #000000">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="bottom"><DIV style="margin-left:0px; font-size: 8pt; text-indent:-0px">DATE OF NOTICE
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="bottom"><DIV style="margin-left:0px; font-size: 8pt; text-indent:-0px">(SIGNATURE)</DIV></TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD align="center" valign="bottom"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="bottom">&nbsp;</TD>
  </TR>
  <TR style="font-size: 1px">
      <TD align="center" valign="bottom" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="bottom" style="border-top: 0px solid #000000">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top"><DIV style="margin-left:0px; font-size: 8pt; text-indent:-0px">DATE OF PLAN ADOPTION OR GIVING OF INSTRUCTION,<BR>
  IF RELYING ON RULE 10B5-1
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="bottom"><I>The notice shall be
  signed by the person for
  whose account the
  securities are to be
  sold. At least one copy
  of the notice shall be
  manually signed. Any
  copies not manually
  signed shall bear typed
  or printed signatures.</I></TD>
  </TR>
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  <DIV align="center" style="fonrt-size: 10pt; margin-top: 6pt">
  <DIV style="width: 100%; border: 1px solid black; padding: 11px;">
  <DIV align="center" style="font-size: 9pt; margin-top: 0pt"><DIV style="font-family: Helvetica,Arial,sans-serif">
  <B>ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)</B>
  </DIV>
  </DIV>
  </DIV>
  </DIV>
  
  <DIV align="right" style="font-size: 10pt; margin-top: 6pt"><DIV style="font-family: Helvetica,Arial,sans-serif">SEC 1147 (02-08)</DIV>
  </DIV>
  
  
  
  <P align="center" style="font-size: 10pt"><!-- Folio --><!-- /Folio -->
  </DIV>
  
  
  
  </BODY>
  </HTML>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "b75661mie144.htm", "description": "MOLECULAR INSIGHT PHARMACEUTICALS, INC. / DONALD E. WALLROTH", "secsgml_size_bytes": 59307}]
text: e144
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  Washington, D.C. 20549
  FORM 144
  NOTICE OF PROPOSED SALE OF SECURITIES
  PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
  OMB APPROVAL
  OMB Number:       3235-0101
  Expires:     December 31,2009
  Estimated average burden
  hours per response....... 2.00
  SEC USE ONLY
  DOCUMENT SEQUENCE NO.
  CUSIP NUMBER
  ATTENTION:
  Transmit for filing 3 copies of this form
  concurrently with either placing an order with a broker to
  execute sale or executing a sale directly with a market
  maker.
  1
  (a)
  NAME OF ISSUER
  (Please type or print)
  Molecular Insight Pharmaceuticals, Inc.
  (b)
  IRS IDENT. NO
  04-0562086
  (c)
  S.E.C. FILE NO
  001-33284
  WORK LOCATION
  1
  (d)
  ADDRESS OK ISSUER
  STREET
  CITY
  STATE
  ZIP CODE
  (e)
  TELEPHONE NO
  AREA CODE
  NUMBER
  160 Second Street
  Cambridge
  MA
  02142
  617
  492-5554
  2
  (a)
  NAME OF PERSON FOR WHOSE ACCOUNT THE
  SECURITIES ARE TO BE SOLD
  (b)
  RELATIONSHIP TO ISSUER
  (c)
  ADDRESS STREET
  CITY
  STATE
  ZIP CODE
  Donald E. Wallroth
  Officer
  8 Deer Run
  Lincoln
  MA
  01773
  INSTRUCTION:
  The person filing this notice should contact the issuer to obtain the I.R.S. Identification Number and the S.E.C. File Number.
  3
  (a)
  (b)
  SEC USE ONLY
  (c)
  (d)
  (e)
  (f)
  (g)
  Title of the
  Class of
  Securities
  To Be Sold
  Name and Address of
  Each Broker Through
  Whom the
  Securities
  are to be Offered or
  Each Market Maker
  who is Acquiring the
  Securities
  Broker-Dealer
  File
  Number
  Number of Shares
  or
  Other Units
  To Be
  Sold
  (See instr.
  3(c))
  Aggregate
  Market
  Value
  (See instr.
  3(d))
  Number of Shares
  or
  Other Units
  Outstanding
  (See
  instr. 3(e))
  Approximate
  Date of
  Sale
  (See instr.
  3(f))
  (MO. DAY YR.)
  Name of Each
  Securities
  Exchange
  (See instr. 3(g))
  Common Stock
  Fidelity Investment
  Boston, MA
  6,500
  $24,960
  25,237,869
  05/22/2009
  Nasdaq Global Market
  INSTRUCTIONS:
  1.
  (a)
  Name of issuer
  (b)
  Issuer's I.R.S. Identification Number
  (c)
  Issuer's S.E.C. file number, if any
  (d)
  Issuer's address, including zip code
  (e)
  Issuer's telephone number, including area code
  2.
  (a)
  Name of person for whose account the securities are to be sold
  (b)
  Such person's relationship to the issuer (e.g. officer, director, 10%
  stockholder, or member of immediate family of any of the foregoing)
  (c)
  Such person's address, including zip code
  3.
  (a)
  Title of the class of securities to be sold
  (b)
  Name and address of each broker through whom the securities are
  intended to be sold
  (c)
  Number of shares or other units to be sold (if debt securities, give
  the aggregate face amount)
  (d)
  Aggregate market value of the securities to be sold as of a specified
  date within 10 days prior to filing of this notice
  (e)
  Number of shares or other units of the class outstanding, or if debt
  securities the face amount thereof outstanding, as shown by the most
  recent report or statement published by the issuer
  (f)
  Approximate date on which the securities are to be sold
  (g)
  Name of each securities exchange if any, on which the securities are
  intended to be sold
  Potential persons who are to respond to the collection of information contained
  in this form are not required to respond unless the form displays a currently
  valid OMB control number.
  SEC 1147 (02-08)
  TABLE I — SECURITIES TO BE SOLD
  Furnish the following information with respect to the acquisition of the securities to be sold
  and with respect to the payment of all or any part of the purchase price or other consideration therefor:
  Title of
  Date you
  Name of Person from Whom Acquired
  Amount of
  Date of
  the Class
  Acquired
  Nature of Acquisition Transaction
  (If gift, also give date donor acquired)
  Securities Acquired
  Payment
  Nature of Payment
  Common
  Stock
  5/20/2008
  Award under employee equity
  incentive plan
  Molecular Insight Pharmaceuticals, Inc.
  20,000 shares
  5/20/2008
  Cash
  INSTRUCTIONS:
  If the securities were purchased and full payment therefor
  was not made in cash at the time of purchase, explain in the
  table or in a note thereto the nature of the consideration
  given. If the consideration consisted of any note or other
  obligation, or if payment was made in installments describe
  the arrangement and state when the note or other obligation
  was discharged in full or the last installment paid.
  TABLE II — SECURITIES SOLD DURING THE PAST 3 MONTHS
  Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.
  Amount of
  Name and Address of Seller
  Title of Securities Sold
  Date of Sale
  Securities Sold
  Gross Proceeds
  N/A
  REMARKS:
  INSTRUCTIONS:
  ATTENTION:
  See the definition of "person" in
  paragraph (a) of Rule 144.
  Information is to be given not only
  as to the person for whose account
  the securities are to be sold but
  also as to all other persons
  included in that definition. In
  addition, information shall be given
  as to sales by all persons whose
  sales are required by paragraph (e)
  of Rule 144 to be aggregated with
  sales for the account of the person
  filing this notice.
  The person for whose account the
  securities to which this notice
  relates are to be sold hereby
  represents by signing this notice
  that he does not know any material
  adverse information in regard to the
  current and prospective operations
  of the Issuer of the securities to
  be sold which has not been publicly
  disclosed. If such person has adopted
  a written trading plan or given
  trading instructions to satisfy Rule
  10b5-1 under the Exchange Act, by
  signing the form and indicating the
  date that the plan was adopted or
  the instruction given, that person
  makes such
  representation as of the plan adoption
  or instruction date.
  5/26/2009
  DATE OF NOTICE
  (SIGNATURE)
  DATE OF PLAN ADOPTION OR GIVING OF INSTRUCTION,
  IF RELYING ON RULE 10B5-1
  The notice shall be
  signed by the person for
  whose account the
  securities are to be
  sold. At least one copy
  of the notice shall be
  manually signed. Any
  copies not manually
  signed shall bear typed
  or printed signatures.
  ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)
  SEC 1147 (02-08)