Company:  MOMENTA PHARMACEUTICALS I ... (MNTA)
Form Type:  10-Q
Filing Date:  11/8/2012 
CIK:  0001235010 
Address:  675 WEST KENDALL STREET 
City, State, Zip:  CAMBRIDGE, Massachusetts 02142 
Telephone:  617 491-9700 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$11.10  
Change: 
-0.46 (-3.98%)  
Trade Time: 
Apr 17  
Market Cap: 
$582.48M
Description of Business
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  FORM 10-Q
    PART I. FINANCIAL INFORMATION
      Item 1 ...
        BALANCE SHEET
        CASH FLOW
        NOTES TO UNAUDITED, CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
      Item 2. Management's ...
      Item 4 ...
    PART II. OTHER INFORMATION
      Item 1 ...
      Item 1A ...
    SIGNATURES
  EXHIBIT 10.1
  EXHIBIT 31.1
    CERTIFICATION
  EXHIBIT 31.2
    CERTIFICATION
  EXHIBIT 32.1
    CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
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