Company:  MOMENTA PHARMACEUTICALS I ... (MNTA)
Form Type:  8-K
Filing Date:  4/30/2013 
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: 
$11.26  
Change: 
-0.23 (-2.00%)  
Trade Time: 
10:45 AM EST  
Market Cap: 
$624.81M
Description of Business
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  FORM 8-K
    SECTION 2 FINANCIAL INFORMATION
      Item 2.02. Results of Operations and Financial Condition
    SECTION 9 FINANCIAL STATEMENTS AND EXHIBITS
      Item 9.01. Financial Statements and Exhibits
    SIGNATURES
    EXHIBIT INDEX
  EXHIBIT 99.1
    BALANCE SHEET
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