Company:  WESTPORT INNOVATIONS INC (WPRT)
Form Type:  4
Filing Date:  4/23/2012 
CIK:  0001370416 
Address:  101-1750 WEST 75TH AVENUE 
City, State, Zip:  VANCOUVER,  000000 
Telephone:  (604) 718-2000 
Last Trade
Last Trade: 
$29.33   		Change: 
-0.54 (-1.81%)  
Trade Time: 
04:00 PM EST   		Market Cap: 
$1.62B
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES
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