Company:  IMMUNOGEN INC (IMGN)
Form Type:  10-Q
Filing Date:  5/6/2013 
CIK:  0000855654 
Address:  830 WINTER ST 
City, State, Zip:  WALTHAM, Massachusetts 02451 
Telephone:  (781)895-0600 
Fiscal Year:  06/30 
Last Trade
Last Trade: 
$13.90  
Change: 
-0.66 (-4.53%)  
Trade Time: 
04:00 PM EST  
Market Cap: 
$1.19B
Description of Business
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  FORM 10-Q
    PART I
      FINANCIAL STATEMENTS
        BALANCE SHEET
        INCOME STATEMENT
        CASH FLOW
        NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
      ITEM 2. Management's Discussion and Analysis of Financial ...
      ITEM 3. Quantitative and Qualitative Disclosure about ...
      ITEM 4.Controls and Procedures
    PART II. OTHER INFORMATION
      ITEM 1A. Risk Factors
      ITEM 6. Exhibits
    SIGNATURES
  EXHIBIT 10.1
  EXHIBIT 31.1
    CERTIFICATIONS
  EXHIBIT 31.2
    CERTIFICATIONS
  EXHIBIT 32.1
    Certification
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