Company:  REPLIGEN CORP (RGEN)
Form Type:  10-Q
Filing Date:  8/8/2007 
CIK:  0000730272 
Address:  41 SEYON STREET
BUILDING 1, SUITE 100
 
City, State, Zip:  WALTHAM, Massachusetts 02453 
Telephone:  (781) 449-9560 
Fiscal Year:  03/31 
Last Trade
Last Trade: 
$3.35  
Change: 
-0.05 (-1.47%)  
Trade Time: 
10:46 AM EST  
Market Cap: 
$103.05M
Description of Business
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  FORM 10-Q
    PART I
      FINANCIAL STATEMENTS
        BALANCE SHEET
        INCOME STATEMENT
        CASH FLOW
        NOTES TO FINANCIAL STATEMENTS
      ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL ...
      ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURE ABOUT MARKET ...
      ITEM 4. CONTROLS AND PROCEDURES
    PART II. OTHER INFORMATION
      ITEM 1. LEGAL PROCEEDINGS
      ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF ...
      ITEM 6. EXHIBITS
    SIGNATURE
    EXHIBIT INDEX
  EXHIBIT 4.1
  EXHIBIT 31.1
    CERTIFICATION
  EXHIBIT 31.2
    CERTIFICATION
  EXHIBIT 32.1
    CERTIFICATION PURSUANT TO
BROKERAGE PARTNERS