Company:  NXSTAGE MEDICAL, INC. (NXTM)
Form Type:  10-K
Filing Date:  2/29/2012 
CIK:  0001333170 
Address:  350 MERRIMACK STREET 
City, State, Zip:  LAWRENCE, Massachusetts 01843 
Telephone:  978-687-4700 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$12.34  
Change: 
0.295 (2.45%)  
Trade Time: 
Apr 16  
Market Cap: 
$757.50M
Description of Business
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  FORM 10-K
    PART I
      Item 1. Business
        NAME AND TITLE
      Item 1A. Risk Factors
      Item 1B. Unresolved Staff Comments
      Item 2. Properties
      Item 3. Legal Proceedings
      Item 4. Mine Safety Disclosures - not applicable
    PART II
      Item 5. Market for Registrant's Common Equity, Related ...
      Item 6. Selected Financial Data
      Item 7. Management's Discussion and Analysis of Financial ...
        Liquidity and Capital Resources
      Item 7A. Quantitative and Qualitative Disclosures About ...
      Item 8. Financial Statements and Supplementary Data
        REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
        BALANCE SHEET
        BALANCE SHEET
        INCOME STATEMENT
        STOCKHOLDERS EQUITY
        CASH FLOW
        NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
      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, Financial Statement Schedules
    SIGNATURES
    EXHIBIT INDEX
  EXHIBIT 21.1
    SUBSIDIARIES
  EXHIBIT 23.1
    CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
  EXHIBIT 31.1
    CERTIFICATION PURSUANT TO RULE 13A-14(A)/15D-14(A),
  EXHIBIT 31.2
    CERTIFICATION PURSUANT TO RULE 13A-14(A)/15D-14(A),
  EXHIBIT 32.1
    CERTIFICATION PURSUANT TO
  EXHIBIT 32.2
    CERTIFICATION PURSUANT TO
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