Company:  CATALYST HEALTH SOLUTIONS ...
Form Type:  8-K
Filing Date:  3/20/2012 
CIK:  0001090403 
Address:  800 KING FARM BOULEVARD 
City, State, Zip:  ROCKVILLE, Maryland 20850 
Telephone:  (301) 548-2900 
Fiscal Year:  12/31 
Description of Business
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  FORM 8-K
    SECTION 7 REGULATION FD
      Item 7.01 Regulation FD Disclosure.
    SECTION 9 FINANCIAL STATEMENTS AND EXHIBITS
      Item 9.01. Financial Statements and Exhibits.
    SIGNATURES
    EXHIBIT INDEX
  EXHIBIT 99.1