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 June 28, 2004 Date of Report (Date of earliest event reported) RITA Medical Systems, Inc. -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Delaware -------------------------------------------------------------------------------- (State or other jurisdiction of incorporation) 000-30959 94-3199149 -------------------------------------------------------------------------------- (Commission File Number) (I.R.S. Employer Identification No.) 967 N. Shoreline Blvd. Mountain View, CA 94043 -------------------------------------------------------------------------------- (Address of principal executive offices, with zip code) (650) 314-3400 -------------------------------------------------------------------------------- (Registrant's telephone number, including area code) Item 5. Other Events and Required FD Disclosure. On June 3, 2004, RITA Medical Systems, Inc., a Delaware corporation, announced that its Annual Meeting of Stockholders will be held at 10:00 a.m. Pacific Time on Thursday, July 29, 2004. The meeting will be held at Heller Ehrman White & McAuliffe LLP, located at 2775 Sand Hill Road, Menlo Park, CA 94025. A copy of the press release announcing the upcoming meeting is attached as Exhibit 99.1 hereto and incorporated by reference herein. 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. RITA Medical Systems, Inc. Date: June 28, 2004 By: /s/ Donald Stewart ------------------------------------------- Donald Stewart, Chief Financial Officer and Vice President Finance and Administration RITA MEDICAL SYSTEMS, INC. INDEX TO EXHIBITS Exhibit Number Description ------ ----------- 99.1 Press Release of RITA Medical Systems, Inc. dated June 28, 2004.