Company:  ARENA PHARMACEUTICALS INC (ARNA)
Form Type:  8-K
Filing Date:  5/17/2012 
CIK:  0001080709 
Address:  6154 NANCY RIDGE DRIVE 
City, State, Zip:  SAN DIEGO, California 92121 
Telephone:  858-453-7200 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$8.04  
Change: 
0.12 (1.52%)  
Trade Time: 
03:31 PM EST  
Market Cap: 
$1.75B
Description of Business
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  FORM 8-K
    SECTION 8 OTHER EVENTS
      Item 8.01 Other Events.
    SECTION 9 FINANCIAL STATEMENTS AND EXHIBITS
      Item 9.01 Financial Statements and Exhibits.
    SIGNATURES
    Exhibit Index
  EXHIBIT 1.1
  EXHIBIT 5.1
  EXHIBIT 99.1
  EXHIBIT 99.2