Company:  GT ADVANCED TECHNOLOGIES ... (GTAT)
Form Type:  8-K
Filing Date:  9/19/2012 
CIK:  0001394954 
Address:  243 DANIEL WEBSTER HIGHWAY 
City, State, Zip:  MERRIMACK, New Hampshire 03054 
Telephone:  (603)883-5200 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$16.17  
Change: 
-0.17 (-1.04%)  
Trade Time: 
Apr 17  
Market Cap: 
$2.17B
Description of Business
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  FORM 8-K
    SECTION 8 OTHER EVENTS
      Item 8.01 Other Events.
    SECTION 9 FINANCIAL STATEMENTS AND EXHIBITS
      Item 9.01 Financial Statements and Exhibits.
    EXHIBIT INDEX
    SIGNATURES
  EXHIBIT 99.1
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