Company:  IPG PHOTONICS CORP (IPGP)
Form Type:  4
Filing Date:  3/12/2012 
CIK:  0001111928 
Address:  50 Old Webster Road 
City, State, Zip:  Oxford, Massachusetts 01540 
Telephone:  508-373-1100 
Last Trade
Last Trade: 
$59.14  
Change: 
-2.64 (-4.27%)  
Trade Time: 
02:44 PM EST  
Market Cap: 
$3.04B
Description of Business
Register for a Free Trial and access this filing in:     
  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES