content: <html>
  
  <head>
  
  
  
  
  
  </head>
  
  <body lang="EN-US">
  
  <div style="font-family:Times New Roman;">
  
  <div style="border:none;border-top:double windowtext 6.0pt;padding:0in 0in 0in 0in;">
  
  <p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  </div>
  
  <p style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-transform:uppercase;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;text-transform:none;">UNITED STATES</font></b></p>
  
  <p style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-transform:uppercase;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;text-transform:none;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>
  
  <p style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-transform:uppercase;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;text-transform:none;">WASHINGTON,
  DC 20549</font></b></p>
  
  <p style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-transform:uppercase;"><b><font size="2" face="Times New Roman">&nbsp;</font></b></p>
  
  <p style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-transform:uppercase;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;text-transform:none;">FORM&nbsp;8-K</font></b></p>
  
  <p style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-transform:uppercase;"><b><font size="2" face="Times New Roman">&nbsp;</font></b></p>
  
  <p style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-transform:uppercase;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;text-transform:none;">CURRENT REPORT PURSUANT</font></b></p>
  
  <p style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-transform:uppercase;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;text-transform:none;">TO SECTION&nbsp;13 OR
  15(d)&nbsp;OF THE</font></b></p>
  
  <p style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-transform:uppercase;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;text-transform:none;">SECURITIES EXCHANGE ACT OF 1934</font></b></p>
  
  <p style="font-weight:bold;margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;text-transform:uppercase;"><b><font size="2" face="Times New Roman">&nbsp;</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date of report (Date of earliest event reported): <b>May&nbsp;22,
  2008</b></font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">AMAG
  PHARMACEUTICALS, INC.</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of registrant as specified in its charter)</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Delaware</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or other jurisdiction of incorporation)</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <div align="center">
  
  <table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
   <tr>
    <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">0-14732</font></b></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">04-2742593</font></b></p>
    </td>
   </tr>
   <tr>
    <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission File Number)</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(IRS Employer Identification No.)</font></p>
    </td>
   </tr>
  </table>
  
  </div>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <div align="center">
  
  <table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
   <tr>
    <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">125 CambridgePark Drive</font></b></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
   </tr>
   <tr>
    <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Cambridge, Massachusetts</font></b></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">02140</font></b></p>
    </td>
   </tr>
   <tr>
    <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of principal executive offices)</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Zip Code)</font></p>
    </td>
   </tr>
  </table>
  
  </div>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(617) 498-3300</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant&#146;s telephone number, including area code)</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the appropriate box
  below if the Form&nbsp;8-K filing is intended to simultaneously satisfy the
  filing obligation of the registrant under any of the following provisions:</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="left" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;
  Written communications pursuant to Rule&nbsp;425 under the Securities
  Act (17 CFR 230.425)</p>
  
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="left" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;
  Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act
  (17 CFR 240.14a-12)</p>
  
  <p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="font-size:10.0pt;margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;
  Pre-commencement communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under
  the Exchange Act (17 CFR 240.14d-2(b))</p>
  
  <p style="margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="font-size:10.0pt;margin:0in 0in .0001pt .25in;text-indent:-.25in;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;
  Pre-commencement communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under
  the Exchange Act (17 CFR 240.13e-4(c))</p>
  
  <div style="border:none;border-bottom:double windowtext 6.0pt;padding:0in 0in 0in 0in;">
  
  <p style="border:none;margin:0in 0in .0001pt .25in;padding:0in;text-indent:-.25in;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  </div>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='',FILE='C:\JMS\105422\08-15520-1\task2964789\15520-1-ba.htm',USER='105422',CD='May 29 18:33 2008' -->
  
  
  <br clear="all" style="page-break-before:always;">
  
  
  <div style="font-family:Times New Roman;">
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 1.01. Entry into a Material Definitive Agreement.</font></b></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Lease for Principal Executive Offices</font></b></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On May&nbsp;27, 2008, </font>AMAG Pharmaceuticals,&nbsp;Inc., or the
  Company, executed a lease with respect
  to a building located at 100 Hayden Avenue, Lexington, Massachusetts that will
  be utilized for the Company&#146;s principal executive offices on or prior to the
  expiration of the Company&#146;s existing lease for its principal executive offices
  at 125 CambridgePark Drive, Cambridge, Massachusetts in February&nbsp;2009.&#160; The landlord for the lease is Mortimer B.
  Zuckerman and Edward H. Linde, Trustees of 92 Hayden Avenue Trust under
  Declaration of Trust dated August&nbsp;18, 1983, recorded with the Middlesex
  South District Registry of Deeds in Book 15218, Page&nbsp;425 as amended by
  instrument dated October&nbsp;30, 1997 recorded with said Registry in Book
  27863, Page&nbsp;347, but not individually.</p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The term of the new lease began on May&nbsp;22, 2008
  and will continue until August&nbsp;31, 2016 with two successive five year
  extension terms at the Company&#146;s option.&#160;
  The aggregate size of rentable floor area for the offices will be 55,924
  square feet, and the rent for the initial term will commence in February&nbsp;2009.</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">During the initial term of the lease, the annual
  base rent will be as follows:</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <table border="0" cellspacing="0" cellpadding="0" width="75%" style="border-collapse:collapse;margin-left:.25in;width:75.0%;">
   <tr>
    <td width="62%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:62.24%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Period</font></b></p>
    </td>
    <td width="4%" valign="bottom" style="padding:0in 0in 0in 0in;width:4.02%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="32%" colspan="3" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:32.12%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Annual&nbsp;Base&nbsp;Rent&nbsp;Rate</font></b></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.6%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
   </tr>
   <tr>
    <td width="62%" valign="top" bgcolor="#CCEEFF" style="background:#CCEEFF;border:none;padding:0in 0in 0in 0in;width:62.24%;">
    <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">May&nbsp;22, 2008 until January&nbsp;31,
    2009</font></p>
    </td>
    <td width="4%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:4.02%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;border:none;padding:0in 0in 0in 0in;width:1.72%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
    </td>
    <td width="14%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;border:none;border-top:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:14.34%;">
    <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">0</font></p>
    </td>
    <td width="16%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;border:none;border-top:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:16.06%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:1.6%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="62%" valign="top" style="padding:0in 0in 0in 0in;width:62.24%;">
    <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">February&nbsp;1, 2009 until
    January&nbsp;31, 2010</font></p>
    </td>
    <td width="4%" valign="bottom" style="padding:0in 0in 0in 0in;width:4.02%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.72%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
    </td>
    <td width="14%" valign="bottom" style="padding:0in 0in 0in 0in;width:14.34%;">
    <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1,839,899.60</font></p>
    </td>
    <td width="16%" valign="bottom" style="padding:0in 0in 0in 0in;width:16.06%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.6%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="62%" valign="top" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:62.24%;">
    <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">February&nbsp;1, 2010 until
    January&nbsp;31, 2011</font></p>
    </td>
    <td width="4%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:4.02%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:1.72%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
    </td>
    <td width="14%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:14.34%;">
    <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1,895,823.60</font></p>
    </td>
    <td width="16%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:16.06%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:1.6%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="62%" valign="top" style="padding:0in 0in 0in 0in;width:62.24%;">
    <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">February&nbsp;1, 2011 until
    January&nbsp;31, 2012</font></p>
    </td>
    <td width="4%" valign="bottom" style="padding:0in 0in 0in 0in;width:4.02%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.72%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
    </td>
    <td width="14%" valign="bottom" style="padding:0in 0in 0in 0in;width:14.34%;">
    <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1,951,747.60</font></p>
    </td>
    <td width="16%" valign="bottom" style="padding:0in 0in 0in 0in;width:16.06%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.6%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="62%" valign="top" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:62.24%;">
    <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">February&nbsp;1, 2012 until
    January&nbsp;31, 2013</font></p>
    </td>
    <td width="4%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:4.02%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:1.72%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
    </td>
    <td width="14%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:14.34%;">
    <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2,007,671.60</font></p>
    </td>
    <td width="16%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:16.06%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:1.6%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="62%" valign="top" style="padding:0in 0in 0in 0in;width:62.24%;">
    <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">February&nbsp;1, 2013 until
    January&nbsp;31, 2014</font></p>
    </td>
    <td width="4%" valign="bottom" style="padding:0in 0in 0in 0in;width:4.02%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.72%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
    </td>
    <td width="14%" valign="bottom" style="padding:0in 0in 0in 0in;width:14.34%;">
    <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2,063,595.60</font></p>
    </td>
    <td width="16%" valign="bottom" style="padding:0in 0in 0in 0in;width:16.06%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.6%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="62%" valign="top" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:62.24%;">
    <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">February&nbsp;1, 2014 until
    January&nbsp;31, 2015</font></p>
    </td>
    <td width="4%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:4.02%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:1.72%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
    </td>
    <td width="14%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:14.34%;">
    <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2,119,519.60</font></p>
    </td>
    <td width="16%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:16.06%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:1.6%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="62%" valign="top" style="padding:0in 0in 0in 0in;width:62.24%;">
    <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">February&nbsp;1, 2015 until
    January&nbsp;31, 2016</font></p>
    </td>
    <td width="4%" valign="bottom" style="padding:0in 0in 0in 0in;width:4.02%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.72%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
    </td>
    <td width="14%" valign="bottom" style="padding:0in 0in 0in 0in;width:14.34%;">
    <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2,175,443.60</font></p>
    </td>
    <td width="16%" valign="bottom" style="padding:0in 0in 0in 0in;width:16.06%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.6%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="62%" valign="top" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:62.24%;">
    <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">February&nbsp;1, 2016 until August&nbsp;31,
    2016</font></p>
    </td>
    <td width="4%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:4.02%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="1%" valign="top" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:1.72%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
    </td>
    <td width="14%" valign="top" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:14.34%;">
    <p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2,343,215.60</font></p>
    </td>
    <td width="16%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:16.06%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;(pro rated for </font></p>
    </td>
    <td width="1%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:1.6%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="62%" valign="top" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:62.24%;">
    <p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="4%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:4.02%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="32%" colspan="3" valign="top" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:32.12%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">the actual
    months of the term)</font></p>
    </td>
    <td width="1%" valign="bottom" bgcolor="#CCEEFF" style="background:#CCEEFF;padding:0in 0in 0in 0in;width:1.6%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
   </tr>
  </table>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">During any extension term, the base rent will be an
  amount agreed upon by the Company and the landlord.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">In addition to base rent, the Company will also pay
  as additional rent any increase in Operating Expenses Allocable to the Premises
  (as defined in the lease) over Base Operating Expenses (as defined in the
  lease), any increase in Landlord&#146;s Tax Expenses Allocable to the Premises (as
  defined in the lease) over Base Taxes Allocable to the Premises (as defined in
  the lease), as well as electricity expenses.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The lease is attached as Exhibit&nbsp;10.1 to this Form&nbsp;8-K
  and is incorporated herein by reference.</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>
  
  <div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='2',FILE='C:\JMS\105422\08-15520-1\task2964789\15520-1-ba.htm',USER='105422',CD='May 29 18:33 2008' -->
  
  
  <br clear="all" style="page-break-before:always;">
  
  
  <div>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Collaboration
  with 3SBio Inc.</font></b></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On
  May&nbsp;27, 2008, the Company announced that it entered into a Collaboration
  and Exclusive License Agreement and a Supply Agreement, or the Agreements, with
  3SBio Inc., or 3SBio, with respect to the development and commercialization in
  China of the Company&#146;s proprietary drug candidate known as ferumoxytol, an
  intravenous iron replacement therapeutic agent.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant
  to the Collaboration and Exclusive License Agreement, the Company has granted
  3SBio an exclusive license for an initial term of thirteen (13) years to
  develop and commercialize ferumoxytol in China, for an initial indication in patients
  with chronic kidney disease, or CKD, and with an option to expand into
  additional indications. 3SBio will be responsible for the clinical development,
  registration, and commercialization of ferumoxytol in China. The Company and
  3SBio will form a joint steering committee, with equal representation from both
  parties, to oversee and guide the development and commercialization of
  ferumoxytol in China.&#160; 3SBio has agreed
  to use diligent efforts to develop and commercialize ferumoxytol in China in
  accordance with certain objectives and timelines agreed to by the parties<b>.</b> In consideration for the grant of the license, 3SBio will
  pay the Company an upfront payment of $1 million, and the Company is eligible
  to receive certain other specified milestone payments upon regulatory approval
  of ferumoxytol in China for CKD and other indications. The Company is also
  entitled to receive tiered, double-digit royalties, of up to 25%, based on
  sales of ferumoxytol by 3SBio.&#160; The
  Company will retain all manufacturing rights for ferumoxytol.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3SBio
  has also agreed that, without the Company&#146;s prior written consent, 3SBio will
  not develop or market in China (i)&nbsp;any iron based therapeutic product
  during the term of the Collaboration and Exclusive License Agreement and for a
  defined term thereafter, or (ii)&nbsp;any generic version of ferumoxytol during
  the term of the Collaboration and Exclusive License Agreement and for a defined
  term thereafter.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Additionally,
  pursuant to the Supply Agreement, 3SBio has agreed to purchase from the
  Company, and the Company has agreed to supply to 3SBio, ferumoxytol at a
  predetermined supply price for clinical and commercial use in connection with
  3SBio&#146;s development and commercialization obligations described above for so
  long as the Collaboration and Exclusive License Agreement is in effect.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The
  Company intends to file the Agreements with the Securities and Exchange
  Commission in the future and will seek confidential treatment for certain
  material terms of the Agreements at such time.&#160;
  The press release dated May&nbsp;27, 2008 announcing the entry into the
  Agreements and describing certain of their material terms is attached hereto as
  Exhibit&nbsp;99.1 and is incorporated herein by reference.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">There
  are no material relationships between the Company or its affiliates and any of
  the parties to the Agreements, other than with respect to the Agreements.</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>
  
  <div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='3',FILE='C:\JMS\105422\08-15520-1\task2964789\15520-1-ba.htm',USER='105422',CD='May 29 18:33 2008' -->
  
  
  <br clear="all" style="page-break-before:always;">
  
  
  <div style="font-family:Times New Roman;">
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><strong><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Item
  9.01.&#160; Financial Statements and Exhibits.</font></b></strong></p>
  
  <p style="font-size:10.0pt;margin:0in 0in .0001pt;">&nbsp;</p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)&nbsp;
  Exhibits.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The
  Company hereby files the following exhibits:</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="font-size:10.0pt;margin:0in 0in .0001pt .75in;text-indent:-.75in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.1</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Indenture of Lease, dated as of May&nbsp;22,
  2008, by and between AMAG Pharmaceuticals,&nbsp;Inc., as tenant, and Mortimer
  B. Zuckerman and Edward H. Linde, Trustees of 92 Hayden Avenue Trust under
  Declaration of Trust dated August&nbsp;18, 1983, recorded with the Middlesex
  South District Registry of Deeds in Book 15218, Page&nbsp;425 as amended by
  instrument dated October&nbsp;30, 1997 recorded with said Registry in Book
  27863, Page&nbsp;347, but not individually, as landlord.</p>
  
  <p style="margin:0in 0in .0001pt .75in;text-indent:-.75in;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="font-size:10.0pt;margin:0in 0in .0001pt .75in;text-indent:-.75in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Press Release, dated May&nbsp;27, 2008.</p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4</font></p>
  
  <div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='4',FILE='C:\JMS\105422\08-15520-1\task2964789\15520-1-ba.htm',USER='105422',CD='May 29 18:33 2008' -->
  
  
  <br clear="all" style="page-break-before:always;">
  
  
  <div>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to
  the requirements of the Securities Exchange Act of 1934, the Registrant has
  duly caused this report to be signed on its behalf by the undersigned thereunto
  duly authorized.</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
   <tr>
    <td width="52%" valign="top" style="padding:0in 0in 0in 0in;width:52.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="47%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:47.92%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">AMAG PHARMACEUTICALS, INC.</font></b></p>
    </td>
   </tr>
   <tr>
    <td width="52%" valign="top" style="padding:0in 0in 0in 0in;width:52.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.5%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="44%" valign="top" style="padding:0in 0in 0in 0in;width:44.42%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="52%" valign="top" style="padding:0in 0in 0in 0in;width:52.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.5%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="44%" valign="top" style="padding:0in 0in 0in 0in;width:44.42%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="52%" valign="top" style="padding:0in 0in 0in 0in;width:52.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.5%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
    </td>
    <td width="44%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:44.42%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/
    Joseph L. Farmer</font></p>
    </td>
   </tr>
   <tr>
    <td width="52%" valign="top" style="padding:0in 0in 0in 0in;width:52.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.5%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="44%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:44.42%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Joseph
    L. Farmer</font></p>
    </td>
   </tr>
   <tr>
    <td width="52%" valign="top" style="padding:0in 0in 0in 0in;width:52.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.5%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="44%" valign="top" style="padding:0in 0in 0in 0in;width:44.42%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;General
    Counsel and Senior Vice</font></p>
    </td>
   </tr>
   <tr>
    <td width="52%" valign="top" style="padding:0in 0in 0in 0in;width:52.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.5%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="44%" valign="top" style="padding:0in 0in 0in 0in;width:44.42%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;President
    of Legal Affairs</font></p>
    </td>
   </tr>
   <tr>
    <td width="52%" valign="top" style="padding:0in 0in 0in 0in;width:52.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.5%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="44%" valign="top" style="padding:0in 0in 0in 0in;width:44.42%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="52%" valign="top" style="padding:0in 0in 0in 0in;width:52.08%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.5%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="44%" valign="top" style="padding:0in 0in 0in 0in;width:44.42%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="52%" valign="top" style="padding:0in 0in 0in 0in;width:52.08%;">
    <h1 align="left" style="font-weight:normal;margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></h1>
    </td>
    <td width="47%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:47.92%;">
    <h1 align="left" style="font-weight:normal;margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date: May&nbsp;29, 2008</font></h1>
    </td>
   </tr>
  </table>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5</font></p>
  
  <div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='5',FILE='C:\JMS\105422\08-15520-1\task2964789\15520-1-ba.htm',USER='105422',CD='May 29 18:33 2008' -->
  
  
  <br clear="all" style="page-break-before:always;">
  
  
  <div>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">EXHIBIT INDEX</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
   <tr>
    <td width="13%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:13.36%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Exhibit&nbsp; Number</font></b></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.22%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="84%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:84.42%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Description</font></b></p>
    </td>
   </tr>
   <tr>
    <td width="13%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:13.36%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.1</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.22%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="84%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:84.42%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Indenture
    of Lease, dated as of May&nbsp;22, 2008, by and between AMAG
    Pharmaceuticals,&nbsp;Inc., as tenant, and Mortimer B. Zuckerman and Edward
    H. Linde, Trustees of 92 Hayden Avenue Trust under Declaration of Trust dated
    August&nbsp;18, 1983, recorded with the Middlesex South District Registry of
    Deeds in Book 15218, Page&nbsp;425 as amended by instrument dated
    October&nbsp;30, 1997 recorded with said Registry in Book 27863,
    Page&nbsp;347, but not individually, as landlord.</font></p>
    </td>
   </tr>
   <tr>
    <td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.36%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.22%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="84%" valign="top" style="padding:0in 0in 0in 0in;width:84.42%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.36%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.22%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="84%" valign="top" style="padding:0in 0in 0in 0in;width:84.42%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Press
    Release, dated May&nbsp;27, 2008.</font></p>
    </td>
   </tr>
  </table>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">6</font></p>
  
  <div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='6',FILE='C:\JMS\105422\08-15520-1\task2964789\15520-1-ba.htm',USER='105422',CD='May 29 18:33 2008' -->
  
  
  </body>
  
  </html>
metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "a08-15520_18k.htm", "description": "8-K", "secsgml_size_bytes": 52347}]
metadata_filer: {"company-data": {"conformed-name": "AMAG PHARMACEUTICALS INC.", "cik": "0000792977", "assigned-sic": "2835", "irs-number": "042742593", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-14732", "film-number": "08867164"}, "business-address": {"street1": "125 CAMBRIDGEPARK DRIVE, 6TH FLOOR", "city": "CAMBRIDGE", "state": "MA", "zip": "02140", "phone": "6174972070"}, "mail-address": {"street1": "125 CAMBRIDGEPARK DRIVE, 6TH FLOOR", "city": "CAMBRIDGE", "state": "MA", "zip": "02140"}, "former-company": {"former-conformed-name": "ADVANCED MAGNETICS INC", "date-changed": "19920703"}}
text: UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON,
  DC 20549
  FORM 8-K
  CURRENT REPORT PURSUANT
  TO SECTION 13 OR
  15(d) OF THE
  SECURITIES EXCHANGE ACT OF 1934
  Date of report (Date of earliest event reported):
  May 22,
  2008
  AMAG
  PHARMACEUTICALS, INC.
  (Exact name of registrant as specified in its charter)
  Delaware
  (State or other jurisdiction of incorporation)
  0-14732
  04-2742593
  (Commission File Number)
  (IRS Employer Identification No.)
  125 CambridgePark Drive
  Cambridge, Massachusetts
  02140
  (Address of principal executive offices)
  (Zip Code)
  (617) 498-3300
  (Registrant's telephone number, including area code)
  Check the appropriate box
  below if the Form 8-K filing is intended to simultaneously satisfy the
  filing obligation of the registrant under any of the following provisions:
  o
  Written communications pursuant to Rule 425 under the Securities
  Act (17 CFR 230.425)
  o
  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
  (17 CFR 240.14a-12)
  o
  Pre-commencement communications pursuant to Rule 14d-2(b) under
  the Exchange Act (17 CFR 240.14d-2(b))
  o
  Pre-commencement communications pursuant to Rule 13e-4(c) under
  the Exchange Act (17 CFR 240.13e-4(c))
  Item 1.01. Entry into a Material Definitive Agreement.
  Lease for Principal Executive Offices
  On May 27, 2008,
  AMAG Pharmaceuticals, Inc., or the
  Company, executed a lease with respect
  to a building located at 100 Hayden Avenue, Lexington, Massachusetts that will
  be utilized for the Company's principal executive offices on or prior to the
  expiration of the Company's existing lease for its principal executive offices
  at 125 CambridgePark Drive, Cambridge, Massachusetts in February 2009.  The landlord for the lease is Mortimer B.
  Zuckerman and Edward H. Linde, Trustees of 92 Hayden Avenue Trust under
  Declaration of Trust dated August 18, 1983, recorded with the Middlesex
  South District Registry of Deeds in Book 15218, Page 425 as amended by
  instrument dated October 30, 1997 recorded with said Registry in Book
  27863, Page 347, but not individually.
  The term of the new lease began on May 22, 2008
  and will continue until August 31, 2016 with two successive five year
  extension terms at the Company's option. 
  The aggregate size of rentable floor area for the offices will be 55,924
  square feet, and the rent for the initial term will commence in February 2009.
  During the initial term of the lease, the annual
  base rent will be as follows:
  Period
  Annual Base Rent Rate
  May 22, 2008 until January 31,
    2009
  $
  0
  February 1, 2009 until
    January 31, 2010
  $
  1,839,899.60
  February 1, 2010 until
    January 31, 2011
  $
  1,895,823.60
  February 1, 2011 until
    January 31, 2012
  $
  1,951,747.60
  February 1, 2012 until
    January 31, 2013
  $
  2,007,671.60
  February 1, 2013 until
    January 31, 2014
  $
  2,063,595.60
  February 1, 2014 until
    January 31, 2015
  $
  2,119,519.60
  February 1, 2015 until
    January 31, 2016
  $
  2,175,443.60
  February 1, 2016 until August 31,
    2016
  $
  2,343,215.60
  (pro rated for
  the actual
    months of the term)
  During any extension term, the base rent will be an
  amount agreed upon by the Company and the landlord.
  In addition to base rent, the Company will also pay
  as additional rent any increase in Operating Expenses Allocable to the Premises
  (as defined in the lease) over Base Operating Expenses (as defined in the
  lease), any increase in Landlord's Tax Expenses Allocable to the Premises (as
  defined in the lease) over Base Taxes Allocable to the Premises (as defined in
  the lease), as well as electricity expenses.
  The lease is attached as Exhibit 10.1 to this Form 8-K
  and is incorporated herein by reference.
  2
  Collaboration
  with 3SBio Inc.
  On
  May 27, 2008, the Company announced that it entered into a Collaboration
  and Exclusive License Agreement and a Supply Agreement, or the Agreements, with
  3SBio Inc., or 3SBio, with respect to the development and commercialization in
  China of the Company's proprietary drug candidate known as ferumoxytol, an
  intravenous iron replacement therapeutic agent.
  Pursuant
  to the Collaboration and Exclusive License Agreement, the Company has granted
  3SBio an exclusive license for an initial term of thirteen (13) years to
  develop and commercialize ferumoxytol in China, for an initial indication in patients
  with chronic kidney disease, or CKD, and with an option to expand into
  additional indications. 3SBio will be responsible for the clinical development,
  registration, and commercialization of ferumoxytol in China. The Company and
  3SBio will form a joint steering committee, with equal representation from both
  parties, to oversee and guide the development and commercialization of
  ferumoxytol in China.  3SBio has agreed
  to use diligent efforts to develop and commercialize ferumoxytol in China in
  accordance with certain objectives and timelines agreed to by the parties
  .
  In consideration for the grant of the license, 3SBio will
  pay the Company an upfront payment of $1 million, and the Company is eligible
  to receive certain other specified milestone payments upon regulatory approval
  of ferumoxytol in China for CKD and other indications. The Company is also
  entitled to receive tiered, double-digit royalties, of up to 25%, based on
  sales of ferumoxytol by 3SBio.  The
  Company will retain all manufacturing rights for ferumoxytol.
  3SBio
  has also agreed that, without the Company's prior written consent, 3SBio will
  not develop or market in China (i) any iron based therapeutic product
  during the term of the Collaboration and Exclusive License Agreement and for a
  defined term thereafter, or (ii) any generic version of ferumoxytol during
  the term of the Collaboration and Exclusive License Agreement and for a defined
  term thereafter.
  Additionally,
  pursuant to the Supply Agreement, 3SBio has agreed to purchase from the
  Company, and the Company has agreed to supply to 3SBio, ferumoxytol at a
  predetermined supply price for clinical and commercial use in connection with
  3SBio's development and commercialization obligations described above for so
  long as the Collaboration and Exclusive License Agreement is in effect.
  The
  Company intends to file the Agreements with the Securities and Exchange
  Commission in the future and will seek confidential treatment for certain
  material terms of the Agreements at such time. 
  The press release dated May 27, 2008 announcing the entry into the
  Agreements and describing certain of their material terms is attached hereto as
  Exhibit 99.1 and is incorporated herein by reference.
  There
  are no material relationships between the Company or its affiliates and any of
  the parties to the Agreements, other than with respect to the Agreements.
  3
  Item
  9.01.  Financial Statements and Exhibits.
  (d) 
  Exhibits.
  The
  Company hereby files the following exhibits:
  10.1
  Indenture of Lease, dated as of May 22,
  2008, by and between AMAG Pharmaceuticals, Inc., as tenant, and Mortimer
  B. Zuckerman and Edward H. Linde, Trustees of 92 Hayden Avenue Trust under
  Declaration of Trust dated August 18, 1983, recorded with the Middlesex
  South District Registry of Deeds in Book 15218, Page 425 as amended by
  instrument dated October 30, 1997 recorded with said Registry in Book
  27863, Page 347, but not individually, as landlord.
  99.1
  Press Release, dated May 27, 2008.
  4
  SIGNATURES
  Pursuant to
  the requirements of the Securities Exchange Act of 1934, the Registrant has
  duly caused this report to be signed on its behalf by the undersigned thereunto
  duly authorized.
  AMAG PHARMACEUTICALS, INC.
  By:
  /s/
    Joseph L. Farmer
  Joseph
    L. Farmer
  General
    Counsel and Senior Vice
  President
    of Legal Affairs
  Date: May 29, 2008
  5
  EXHIBIT INDEX
  Exhibit  Number
  Description
  10.1
  Indenture
    of Lease, dated as of May 22, 2008, by and between AMAG
    Pharmaceuticals, Inc., as tenant, and Mortimer B. Zuckerman and Edward
    H. Linde, Trustees of 92 Hayden Avenue Trust under Declaration of Trust dated
    August 18, 1983, recorded with the Middlesex South District Registry of
    Deeds in Book 15218, Page 425 as amended by instrument dated
    October 30, 1997 recorded with said Registry in Book 27863,
    Page 347, but not individually, as landlord.
  99.1
  Press
    Release, dated May 27, 2008.
  6