THORATEC CORP

Q: Jul 4 2015

Q: Apr 4 2015

FY: Jan 3 2015

Q: Sep 27 2014

Q: Jun 28 2014

Q: Mar 29 2014

FY: Dec 28 2013

Q: Sep 28 2013

Q: Jun 29 2013

Q: Mar 30 2013

FY: Dec 29 2012

Q: Sep 29 2012

Q: Jun 30 2012

Q: Mar 31 2012

FY: Dec 31 2011

Q: Oct 1 2011

Q: Jul 2 2011

Q: Apr 2 2011

FY: Jan 1 2011

Q: Oct 2 2010

8.01,9.01

1.02,2.01,3.01,3.03,5.01,5.02,5.03,5.07,9.01

8.01

Other Events

2.02,9.01

1.01,5.02,5.03,8.01,9.01

5.07

2.02,9.01

5.03,9.01

5.02

2.02,9.01

2.02,9.01

5.02,9.01

5.02,5.03,9.01

2.02,9.01

1.01,8.01,9.01

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

7.01

5.02

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

Notice of Effectiveness

Notice of Effectiveness

Notice of Effectiveness

Notice of Effectiveness

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

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 a registration statement

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

Post-effective amendment to a registration statement

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

Additional Information for Proxy Statement/ Votes

No description available

Additional Information for Proxy Statement/ Votes

No description available

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

SCHERMERHORN TODD C

Antonucci Marta

COLE J DANIEL

COLLIS STEVEN H

DIMICK NEIL F

GROSSMAN D KEITH

Harris Taylor C.

HAWKINS WILLIAM A

LAVIOLETTE PAUL A

Lehman David Aaron

Marsh Martha H.

Padmanabhan Vasant

Pellegrini Niamh Louise

GROSSMAN D KEITH

Padmanabhan Vasant

Harris Taylor C.

DIMICK NEIL F

GROSSMAN D KEITH

LAVIOLETTE PAUL A

Antonucci Marta

Specialized Disclosure Report

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

No description available

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Letter from 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

Letter from the SEC

Correspondence with the SEC