Company:  MOMENTA PHARMACEUTICALS I ... (MNTA)
Form Type:  10-Q
Filing Date:  8/6/2013 
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: 
$11.49  
Change: 
-0.35 (-2.96%)  
Trade Time: 
Apr 23  
Market Cap: 
$602.95M
Description of Business
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  FORM 10-Q
    PART I. FINANCIAL INFORMATION
      Item 1. Financial Statements
        BALANCE SHEET
        CASH FLOW
        NOTES TO UNAUDITED, CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
      Item 2. Management's Discussion and Analysis of Financial ...
      Item 3. Quantitative and Qualitative Disclosures about ...
      Item 4. Controls and Procedures.
    PART II. OTHER INFORMATION
      Item 1. Legal Proceedings.
      Item 1A. Risk Factors
      Item 6. Exhibits
    SIGNATURES
  EXHIBIT 10.4
  EXHIBIT 31.1
    CERTIFICATION
  EXHIBIT 31.2
    CERTIFICATION
  EXHIBIT 32.1
    CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
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