-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, EuROYCDNwVWFMdQaEYIQo6ZQCJJTRRb9sRGzCFoCUZ8ros0kQgMFhEREomYf8ONI t6E+T5ab3FOQN/xoBq91Nw== 0000884300-04-000061.txt : 20041210 0000884300-04-000061.hdr.sgml : 20041210 20041210150203 ACCESSION NUMBER: 0000884300-04-000061 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20041210 DATE AS OF CHANGE: 20041210 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: RITA MEDICAL SYSTEMS INC CENTRAL INDEX KEY: 0001056421 STANDARD INDUSTRIAL CLASSIFICATION: ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845] IRS NUMBER: 943199149 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-60199 FILM NUMBER: 041196009 BUSINESS ADDRESS: STREET 1: 967 N SHORELINE BLVD CITY: MOUNTAIN VIEW STATE: CA ZIP: 94013 BUSINESS PHONE: 6503858500 MAIL ADDRESS: STREET 1: 967 NORTH SHORELINE BLVD CITY: MOUNTAIN VIEW STATE: CA ZIP: 94043 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: PERKINS CAPITAL MANAGEMENT INC CENTRAL INDEX KEY: 0000884300 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 411501962 STATE OF INCORPORATION: MN FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 730 EAST LAKE STREET CITY: WAYZATA STATE: MN ZIP: 55391-1769 BUSINESS PHONE: 9524738367 MAIL ADDRESS: STREET 1: 730 EAST LAKE STREET CITY: WAYZATA STATE: MN ZIP: 55391 FORMER COMPANY: FORMER CONFORMED NAME: PERKINS CAPITAL MANAGEMENT INC ET AL DATE OF NAME CHANGE: 19960212 SC 13G/A 1 rita1104g.txt RITA13GA SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13GA Under the Securities Exchange Act of 1934 Amendment No. |1| Rita Medical Systems Inc. (Name of Issuer) Common Shares (Title of Class of Securities) 76774E-10-3 (CUSIP Number) November 30, 2004 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) * The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP No. 76774E-10-3 13G Page 2 of 5 Pages ________________________________________________________________________________ 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Perkins Capital Management, Inc. 41-1501962 ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION State of Minnesota ________________________________________________________________________________ 5. SOLE VOTING POWER 314,900 NUMBER OF _________________________________________________________________ SHARES 6. SHARED VOTING POWER BENEFICIALLY OWNED BY EACH 0 REPORTING _________________________________________________________________ PERSON WITH 7. SOLE DISPOSITIVE POWER 1,109,700 _________________________________________________________________ 8. SHARED DISPOSITIVE POWER 0 ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,109,700 ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.0% ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON* IA ________________________________________________________________________________ *SEE INSTRUCTIONS BEFORE FILLING OUT! Item 1(a) Name of Issuer: Rita Medical Systems, Inc. Item 1(b) Address of Issuer's Principal Executive Offices: 967 North Shoreline Blvd Mountain View, CA 94043 Item 2(a) Name of Person Filing: Perkins Capital Management, Inc. Item 2(b) Address of Principal Business Office or, if None, Residence: 730 East Lake Street Wayzata, MN 55391 Item 2(c) Citizenship: State of Minnesota Item 2(d) Title of Class of Securities: Common Shares Item 2(e) CUSIP Number: 76774E-10-3 Item 3. If this statement is filed pursuant to Rules 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: (a) [_] Broker or dealer registered under Section 15 of the Act (15 U.S.C.78o); (b) [_] Bank as defined in Section 3(a)(6) of the Act (15 U.S.C.78c); (c) [_] Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C.78c); (d) [_] Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C.8a-8); (e) [X] An Investment Adviser in accordance with Section 240. 13d-1(b)(1) (ii)(E); (f) [_] An employee benefit plan or endowment fund in accordance with Section 240. 13d-1(b)(1)(ii)(F); (g) [_] A parent holding company or control person in accordance with Section 240. 13d-1(b)(1)(ii)(G); (h) [_] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [_] A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C.80a-3); (j) [_] Group, in accordance with Section 240. 13d-1(b)(1)(ii)(J). If this statement is filed pursuant to Section 240 13d-1(c), check this box. [ ] Item 4. Ownership. (a) Amount beneficially owned: 1,109,700 (b) Percent of class: 3.0% (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote 314,900 (ii) Shared power to vote or to direct the vote 0 (iii) Sole power to dispose or to direct the disposition of 1,109,700 (iv) Shared power to dispose or to direct the disposition of 0 Item 5. Ownership of Five Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [X]. Item 6. Ownership of More than Five Percent on Behalf of Another Person. n/a Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company. n/a Item 8. Identification and Classification of Members of the Group. n/a Item 9. Notice of Dissolution of Group. n/a Item 10. Certification. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired and are not held in connection with or as a participant in any transaction having such purpose or effect. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. December 10, 2004 ----------------------------- (Date) /s/ Richard C. Perkins ----------------------------- (Signature) Richard C. Perkins VP/Portfolio Manager ----------------------------- (Name/Title) -----END PRIVACY-ENHANCED MESSAGE-----