SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
(RULE 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c)
AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b)
(AMENDMENT NO. 1)
RITA MEDICAL SYSTEMS, INC.
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
76774E103
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(CUSIP Number)
September 6, 2001
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which
this Schedule is filed.
[ ] Rule 13d-1 (b)
[X] 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 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. 76774E103 13G PAGE 2 OF 7 PAGES
1. Names of Reporting Persons.
I.R.S. Identification No. of Above Persons (entities only)
Vertical Fund Associates, L.P.
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2. Check the Appropriate Box if a Member of a Group *
(a) [ ]
(b) [X]
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3. SEC Use Only
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4. Citizenship or Place of Organization
Delaware
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Number of Shares Beneficially Owned by Each Reporting Person with
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5. Sole Voting Power 1,074,500
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6. Shared Voting Power 0
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7. Sole Dispositive Power 1,074,500
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8. Shared Dispositive Power 0
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9. Aggregate Amount Beneficially Owned by Each Reporting Person 1,074,500
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10. Check box if the Aggregate Amount in Row (9) Excludes Certain Shares*
[ ]
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11. Percent of Class Represented by Amount in Row (9) 7.5%
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12. Type of Reporting Person* PN
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* SEE INSTRUCTIONS BEFORE FILING OUT.
CUSIP NO. 76774E103 13G PAGE 3 OF 7 PAGES
1. Names of Reporting Persons.
I.R.S. Identification No. of Above Persons (entities only)
Vertical Life Sciences, L.P.
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2. Check the Appropriate Box if a Member of a Group *
(a) [ ]
(b) [X]
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3. SEC Use Only
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4. Citizenship or Place of Organization
Delaware
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Number of Shares Beneficially Owned by Each Reporting Person with
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5. Sole Voting Power 730,100
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6. Shared Voting Power 0
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7. Sole Dispositive Power 730,100
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8. Shared Dispositive Power 0
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9. Aggregate Amount Beneficially Owned by Each Reporting Person 730,100
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10. Check box if the Aggregate Amount in Row (9) Excludes Certain Shares*
[ ]
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11. Percent of Class Represented by Amount in Row (9) 5.1%
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12. Type of Reporting Person* PN
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* SEE INSTRUCTIONS BEFORE FILING OUT.
ITEM 1(a). NAME OF ISSUER:
Rita Medical Systems, Inc.
ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
967 North Shoreline Boulevard
Mountain View, California 95035
ITEM 2(a). NAME OF PERSON FILING:
Vertical Fund Associates, L.P. ("VFA") and
Vertical Life Sciences, L.P. ("VLS") (together, the "Partnerships")
ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
Each of the Partnerships has a principal business address at
25 DeForest Avenue, Summit, New Jersey 07901.
ITEM 2(c). CITIZENSHIP:
Each of the Partnerships is a Delaware limited partnership.
ITEM 2(d). TITLE OF CLASS OF SECURITIES:
Common Stock
ITEM 2(e). CUSIP NUMBER:
76774E103
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ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b), OR 13d-2(b) OR
(c), CHECK WHETHER THE PERSON FILING IS A:
(a) [ ] Broker or dealer registered under Section 15 of the Exchange
Act.
(b) [ ] Bank as defined in Section 3(a) (6) of the Exchange Act.
(c) [ ] Insurance company as defined in Section 3(a)(19) of the
Exchange Act.
(d) [ ] Investment company registered under Section 8 of the
Investment Company Act.
(e) [ ] An investment adviser in accordance with Rule 13d-1(b) (1)
(ii) (E).
(f) [ ] An employee benefit plan or endowment fund in accordance
with Rule 13d-1(b) (1) (ii) (F).
(g) [ ] A parent holding company or control person in accordance
with Rule 13d-1(b)(1)(ii)(G).
(h) [ ] A savings association as defined in Section 3(b) of the
Federal Deposit Insurance Act.
(i) [ ] A church plan that is excluded from the definition of an
investment company under Section 3(c)(14) of the Investment
Company Act.
(j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).
None of the above. The statement is filed pursuant to Rule 13d-1(c).
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ITEM 4. OWNERSHIP.
(a) Amount Beneficially Owned: 1,804,600 shares of Common Stock
(b) Percent of Class: 12.5%
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote: 1,804,600
(ii) shared power to vote or to direct vote: 0
(iii) sole power to dispose or to direct the
disposition of: 1,804,600
(iv) shared power to dispose or to direct the
disposition of: 0
The foregoing amounts of shares and percentage represent the combined
holdings of the two Partnerships. Of such amounts, 1,074,500 shares
(approximately 7.5% of the total outstanding) are beneficially owned by VFA and
730,100 shares (approximately 5.1% of the total outstanding) are beneficially
owned by VLS. The Partnerships are filing this statement jointly to reflect
their combined ownership because the sole general partner of each Partnership is
The Vertical Group, L.P., a Delaware limited partnership, and the Partnerships
may be deemed to constitute a "group" as such term is used in Section 13(d)(3)
of the Securities Exchange Act of 1934, as amended.
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
Not applicable.
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.
Not applicable.
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.
Not applicable.
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.
Not applicable.
ITEM 9. NOTICE OF DISSOLUTION OF GROUP.
Not applicable.
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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 or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that 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.
Dated:
September 10, 2001
VERTICAL FUND ASSOCIATES, L.P.
By: THE VERTICAL GROUP, L.P.
General Partner
By: /s/ John E. Runnells
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John E. Runnells
General Partner.
VERTICAL LIFE SCIENCES, L.P.
By: THE VERTICAL GROUP, L.P.
General Partner
By: /s/ John E. Runnells
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John E. Runnells
General Partner.
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