GT Advanced Technologies Inc.

Q: Sep 27 2014

Q: Jun 28 2014

Q: Sep 28 2013

Q: Mar 29 2014

FY: Dec 31 2013

FY: Dec 31 2013

Q: Sep 28 2013

Q: Jun 29 2013

Q: Mar 30 2013

FY: Dec 31 2012

Q: Sep 29 2012

Q: Jun 30 2012

FY: Mar 31 2012

Q: Dec 31 2011

Q: Oct 1 2011

Q: Jul 2 2011

Q: Jul 2 2011

FY: Apr 2 2011

Q: Jan 1 2011

Q: Oct 2 2010

1.03

8.01

1.01

8.01

1.01,8.01

Other Events

8.01

1.01,8.01

7.01

1.01,8.01

1.01

8.01,9.01

Entry into a Material Definitive Agreement

8.01

8.01

8.01

5.02,8.01

Other Events

Entry into a Material Definitive Agreement

1.01

No description available

Notification of removal from listing and/or registration on a national securities exchange

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

No description available

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

06

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Free Writing Prospectus

Free Writing Prospectus

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

GODSHALK ERNEST L III

Ford Jeffrey John

FMR LLC

none

Ray John J. III

Newsted Richard E

WELLINGTON MANAGEMENT CO LLP

BlackRock Inc.

Keck David W

Ford Jeffrey John

KIM HO IL

Gutierrez Thomas

Squiller Daniel

Squiller Daniel

Keck David W

Ford Jeffrey John

Squiller Daniel

Squiller Daniel

KIM HO IL

Gutierrez Thomas

No description available

No description available

Specialized Disclosure Report

Annual Report Scanned (Paper)

Post-effective amendment to an automatic shelf registration statement

No description available

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Annual Report Scanned (Paper)