Company:  ALKERMES PLC. (ALKS)
Form Type:  10-K
Filing Date:  5/18/2012 
CIK:  0001520262 
Address:  CONNAUGHT HOUSE
1 BURLINGTON ROAD
 
City, State, Zip:  DUBLIN 4,  00000 
Telephone:  00-353-1-772-8000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$44.12  
Change: 
-0.91 (-2.02%)  
Trade Time: 
Apr 17  
Market Cap: 
$6.36B
Description of Business
Register for EDGAR Pro and access this filing in:     
  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 Financial Data
      Item 7. Management's Discussion and Analysis of Financial ...
        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
      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 ...
      Item 13. Certain Relationships and Related Transactions and ...
      Item 14. Principal Accounting Fees and Services
    PART IV
      Item 15. Exhibits and Financial Statement Schedules
    SIGNATURES
    EXHIBIT INDEX
    Report of Independent Registered Public Accounting Firm
    BALANCE SHEET
    BALANCE SHEET
    BALANCE SHEET
    INCOME STATEMENT
    STOCKHOLDERS EQUITY
    CASH FLOW
    NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
  EXHIBIT 10.57
  EXHIBIT 10.58
  EXHIBIT 21.1
    SUBSIDIARIES
  EXHIBIT 23.1
    CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
  EXHIBIT 31.1
    CERTIFICATIONS
  EXHIBIT 31.2
    CERTIFICATIONS
  EXHIBIT 32.1
    CERTIFICATION PURSUANT TO
BROKERAGE PARTNERS