Company:  REPLIGEN CORP (RGEN)
Form Type:  10-K
Filing Date:  3/15/2013 
CIK:  0000730272 
Address:  41 SEYON STREET
BUILDING 1, SUITE 100
 
City, State, Zip:  WALTHAM, Massachusetts 02453 
Telephone:  (781) 449-9560 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$15.99  
Change: 
0.33 (2.11%)  
Trade Time: 
Apr 22  
Market Cap: 
$512.32M
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  FORM 10-K
    PART I
      Item 1. BUSINESS
      Item 1A. RISK FACTORS
      Item 1B. UNRESOLVED STAFF COMMENTS
      Item 2. PROPERTIES
      Item 3. LEGAL PROCEEDINGS
      Item 4. MINE SAFETY DISCLOSURES
    PART II
      Item 5. MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED ...
      Item 6. SELECTED CONSOLIDATED FINANCIAL DATA
      Item 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL ...
        RESULTS OF OPERATIONS
      Item 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT ...
      Item 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
      Item 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ...
      Item 9A. CONTROLS AND PROCEDURES
      REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
      Item 9B. OTHER INFORMATION
    PART III
    PART IV
      Item 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES
    EXHIBIT INDEX
    SIGNATURES
    REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
    BALANCE SHEET
    INCOME STATEMENT
    STOCKHOLDERS EQUITY
    CASH FLOW
    NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
  EXHIBIT 10.25
  EXHIBIT 21.1
  EXHIBIT 23.1
    CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
  EXHIBIT 31.1
    CERTIFICATION
  EXHIBIT 31.2
    CERTIFICATION
  EXHIBIT 32.1
    CERTIFICATION PURSUANT TO
BROKERAGE PARTNERS