Company:  ARCA BIOPHARMA, INC. (ABIO)
Form Type:  4
Filing Date:  2/14/2012 
CIK:  0000907654 
Address:  8001 ARISTA PLACE
SUITE 200
 
City, State, Zip:  BROOMFIELD, Colorado 80021 
Telephone:  720-940-2200 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$2.42  
Change: 
-0.141 (-5.51%)  
Trade Time: 
12:22 PM EST  
Market Cap: 
$7.71M
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES