HUTCHINSON TECHNOLOGY INC

Q: Jun 26 2016

Q: Mar 27 2016

Q: Dec 27 2015

FY: Sep 27 2015

FY: Sep 27 2015

Q: Jun 28 2015

Q: Mar 29 2015

Q: Dec 28 2014

FY: Sep 28 2014

Q: Jun 29 2014

Q: Mar 31 2014

Q: Dec 29 2013

FY: Sep 29 2013

Q: Jun 30 2013

Q: Mar 31 2013

Q: Dec 30 2012

FY: Sep 30 2012

Q: Jun 24 2012

Q: Mar 25 2012

Q: Dec 25 2011

1.01,2.01,2.04,3.03,5.01,5.02,5.03,8.01,9.01

3.01

5.02,5.07,8.01,9.01

7.01,9.01

2.02,9.01

7.01,9.01

8.01

Other Events

Results of Operations and Financial Condition

8.01

5.07

2.02,8.01,9.01

8.01

1.01,2.03,9.01

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

5.02,9.01

2.02,8.01,9.01

1.01,2.02,9.01

2.02,9.01

Certification of termination of registration of a class of securities (Section 12(b))

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

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

Registration of Securities on Exchange (amendment)

Prospectus Supplement for Delayed or Continuous Offering

Registration of Securities on Exchange (amendment)

Notice of Effectiveness

Registration statement under Securities Act of 1933

06

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Written communication about a business combination transaction (Rule 425)

06

Registration statement under Securities Act of 1933

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

No description available

No description available

No description available

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

No description available

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

RENAISSANCE TECHNOLOGIES LLC

DIMENSIONAL FUND ADVISORS LP

HUTCHINSON TECHNOLOGY INC

HUFFER RUSSELL

VERHAGE THOMAS R

Radloff David P

Pautz Connie L.

Ruzicka Dale M.

Jelkin Duane Mark

none

Aronson Martha Goldberg

FORTUN WAYNE M

SORAN PHILIP

RUSSOMANNO FRANK P

PENN RICHARD J

RENAISSANCE TECHNOLOGIES LLC

none

none

none

RUSSOMANNO FRANK P

Specialized Disclosure Report

Letter from the SEC

Specialized Disclosure Report

Annual Report Scanned (Paper)

No description available

Specialized Disclosure Report

Annual Report Scanned (Paper)

Annual Report Scanned (Paper)

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC