Company:  CIENA CORP (CIEN)
Form Type:  4
Filing Date:  4/18/2012 
CIK:  0000936395 
Address:  7035 RIDGE ROAD 
City, State, Zip:  HANOVER, Maryland 21076 
Telephone:  (410) 865-8500 
Fiscal Year:  10/31 
Last Trade
Last Trade: 
$15.52  
Change: 
-0.349 (-2.20%)  
Trade Time: 
04:00 PM EST  
Market Cap: 
$1.58B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES