Company:  ATHENAHEALTH INC (ATHN)
Form Type:  10-K
Filing Date:  2/16/2012 
CIK:  0001131096 
Address:  311 ARSENAL STREET 
City, State, Zip:  WATERTOWN, Massachusetts 02472 
Telephone:  617-402-1000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$145.58  
Change: 
-2.29 (-1.55%)  
Trade Time: 
Apr 17  
Market Cap: 
$5.44B
Description of Business
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  FORM 10-K
    PART I
      Item 1. Business.
    Electronic Health Records Certification Requirements
    Item 1A. Risk Factors.
    Item 1B. Unresolved Staff Comments.
    PART I
      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 Financial Data.
      Item 7. Management's Discussion and Analysis of Financial ...
        Consolidated Results of Operations
        Liquidity and Capital Resources
      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
      Item 10. Directors, Executive Officers and Corporate Governance.
      Item 11. Executive Compensation.
      Item 12. Security Ownership of Certain Beneficial Owners and ...
      Item 13. Certain Relationships and Related Transactions, and ...
      Item 14. Principal Accounting Fees and Services.
    PART IV
      Item 15. Exhibits, Financial Statement Schedules.
    SIGNATURES
    REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
    BALANCE SHEET
    INCOME STATEMENT
    STOCKHOLDERS EQUITY
    CASH FLOW
    NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
  EXHIBIT 10.18
  EXHIBIT 10.20
  EXHIBIT 21.1
    SUBSIDIARIES
  EXHIBIT 23.1
    CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
  EXHIBIT 31.1
    Certification
  EXHIBIT 31.2
    Certification
  EXHIBIT 32.1
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