UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549



FORM 8-K
CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


Date of Report (Date of earliest event reported): December 18, 2012



GT ADVANCED TECHNOLOGIES INC.
(EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


⃞ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
⃞ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
⃞ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
⃞ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01  Other Events.

On December 18, 2012, GT Advanced Technologies Inc. issued a press release announcing its guidance range for the fourth calendar quarter ending December 31, 2012, the calendar year ending December 31, 2012 and the preliminary outlook for the fiscal year ending December 31, 2013 with respect to certain financial measures.  A copy of the press release is attached hereto as Exhibit 99.1.

Item 9.01   Financial Statements and Exhibits.

(d) Exhibits

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.