Company:  AVALONBAY COMMUNITIES INC (AVB)
Form Type:  4
Filing Date:  2/21/2012 
CIK:  0000915912 
Address:  671 N. GLEBE ROAD
SUITE 800
 
City, State, Zip:  ARLINGTON, Virginia 22203 
Telephone:  (703) 329-6300 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$130.77  
Change: 
-4.13 (-3.06%)  
Trade Time: 
Jun 19  
Market Cap: 
$16.92B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES