Company:  COGNEX CORP (CGNX)
Form Type:  SC 13G/A
Filing Date:  2/13/2012 
CIK:  0000851205 
Address:  ONE VISION DR 
City, State, Zip:  NATICK, Massachusetts 01760 
Telephone:  (508) 650-3000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$43.63  
Change: 
-0.68 (-1.54%)  
Trade Time: 
04:00 PM EST  
Market Cap: 
$1.90B
Description of Business
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  FORM SC 13G/A