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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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):
April 26, 2005

THORATEC CORPORATION

         
 
  (Exact name of registrant as specified in its charter)  
 
     
 
California   1-8145   94-2340464
 
(State or other jurisdiction
of incorporation)
  (Commission
File Number)
  (IRS Employer
Identification No.)

6035 Stoneridge Drive
Pleasanton, California 94588

(Address of principal executive offices including zip code)

     
(925) 847-8600
 
(Registrant’s telephone number, including area code)
     
Not Applicable
 
(Former name or former address, if changed since last report.)

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 (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 
 

 


 

Item 2.02 Results of Operations and Financial Condition.

     On April 26, 2005, Thoratec Corporation (the “Company”) conducted an investment community conference call that was simultaneously webcast. The transcript from the conference call is attached hereto as Exhibit 99.1. In the conference call, the Company presented non-GAAP net income and non-GAAP net income per share, each a non-GAAP financial measure, for the first quarter of 2005 and the first quarter of 2004. A reconciliation of these non-GAAP financial measures to GAAP income before tax expense is included in the press release announcing the Company’s fiscal 2005 first quarter results, the text of which was filed as Exhibit 99.1 to the Current Report on Form 8-K filed on April 26, 2005, and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

  (c)   Exhibits
     
Exhibit No.   Description
99.1
  Transcript of April 26, 2005 conference call.
 
   
99.2
  Press Release, dated April 26, 2005, regarding fiscal 2005 first quarter results.*

* Filed as an Exhibit to the Company’s Form 8-K filed with the SEC on April 26, 2005, and incorporated herein by reference.

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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.

         
Dated as of April 29, 2005
       
 
       
    THORATEC CORPORATION
 
       
  By:   /s/ D. Keith Grossman
       
      D. Keith Grossman
President and Chief Executive Officer

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EXHIBIT INDEX

     
Exhibit No.   Description
99.1
  Transcript of April 26, 2005 conference call.

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