-----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, Efb8VzBYJR0bkCsrEGwykM2rYuUrZNQtn6rq7BLpycoz2oPmAg/hD3wJD79C9s3F 9MY7WxO28q/tun0p9nSa5A== 0000950005-98-000114.txt : 19980212 0000950005-98-000114.hdr.sgml : 19980212 ACCESSION NUMBER: 0000950005-98-000114 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19980211 SROS: NASD SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: UROLOGIX INC CENTRAL INDEX KEY: 0000882873 STANDARD INDUSTRIAL CLASSIFICATION: ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845] IRS NUMBER: 411697237 STATE OF INCORPORATION: MN FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-48431 FILM NUMBER: 98531664 BUSINESS ADDRESS: STREET 1: 14405 21ST AVE N CITY: MINNEAPOLIS STATE: MN ZIP: 55447 BUSINESS PHONE: 6124751400 MAIL ADDRESS: STREET 1: 14405 21ST AVENUE NORTH CITY: MINNEAPOLIS STATE: MN ZIP: 55447 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: INTERWEST PARTNERS IV LP ET AL CENTRAL INDEX KEY: 0000937851 STANDARD INDUSTRIAL CLASSIFICATION: [] IRS NUMBER: 943092627 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 3000 SAND HILL ROAD STREET 2: BUILDING 3 SUITE 255 CITY: MENLO PARK STATE: CA ZIP: 94025 BUSINESS PHONE: 4158548585 MAIL ADDRESS: STREET 1: 3000 SAND HILL ROAD STREET 2: BUILDING 3 SUITE 255 CITY: MENLO PARK STATE: CA ZIP: 94025 SC 13G/A 1 SCHEDULE 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment no. 1) Urologix, Inc. - -------------------------------------------------------------------------------- (Name of Issuer) Common Stock - -------------------------------------------------------------------------------- (Title of Class of Securities) 917273 10 4 - -------------------------------------------------------------------------------- (CUSIP Number) *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). Page 1 of 14 pages
- --------------------------------------------- ------------------------------------ 13G CUSIP No. 917273 10 4 Page 2 of 14 Pages ------------ - --------------------------------------------- ------------------------------------ - --------- ------------------------------------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS InterWest Partners IV, a California limited partnership - --------- ------------------------------------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - --------- ------------------------------------------------------------------------------------------------------------- 3 SEC USE ONLY - --------- ------------------------------------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION California - ----------------------------- -------- -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 0 SHARES -------- -------------------------------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 0 PERSON WITH -------- -------------------------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 0 -------- -------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - --------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0 - --------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - --------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0% - --------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN - --------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
Page 2 of 14 pages
- --------------------------------------------- ------------------------------------ 13G CUSIP No. 917273 10 4 Page 3 of 14 Pages ----------- - --------------------------------------------- ------------------------------------ - --------- ------------------------------------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS InterWest Management Partners IV, L.P. - --------- ------------------------------------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - --------- ------------------------------------------------------------------------------------------------------------- 3 SEC USE ONLY - --------- ------------------------------------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION California - ----------------------------- -------- -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 0 SHARES -------- -------------------------------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 0 PERSON WITH -------- -------------------------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 0 -------- -------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - --------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0 - --------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - --------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0% - --------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN - --------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
Page 3 of 14 pages
- --------------------------------------------- ------------------------------------ 13G CUSIP No. 917273 10 4 Page 4 of 14 Pages ----------- - --------------------------------------------- ------------------------------------ - --------- ------------------------------------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Harvey B. Cash - --------- ------------------------------------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - --------- ------------------------------------------------------------------------------------------------------------- 3 SEC USE ONLY - --------- ------------------------------------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ----------------------------- -------- -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 3,471 SHARES -------- -------------------------------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 0 PERSON WITH -------- -------------------------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 3,471 -------- -------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - ----------------------------- -------- --------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,471 - --------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - --------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.03% - --------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - --------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
Page 4 of 14 pages
- --------------------------------------------- ------------------------------------ 13G CUSIP No. 917273 10 4 Page 5 of 14 Pages ----------- - --------------------------------------------- ------------------------------------ - --------- ------------------------------------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Alan W. Crites - --------- ------------------------------------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - --------- ------------------------------------------------------------------------------------------------------------- 3 SEC USE ONLY - --------- ------------------------------------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ----------------------------- -------- -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 2,929 SHARES -------- -------------------------------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 0 PERSON WITH -------- -------------------------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 2,929 -------- -------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - --------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,929 - --------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - --------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.03% - --------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - --------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
Page 5 of 14 pages
- --------------------------------------------- ------------------------------------ 13G CUSIP No. 917273 10 4 Page 6 of 14 Pages ----------- - --------------------------------------------- ------------------------------------ - --------- ------------------------------------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Philip T. Gianos - --------- ------------------------------------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - --------- ------------------------------------------------------------------------------------------------------------- 3 SEC USE ONLY - --------- ------------------------------------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ----------------------------- -------- -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 9,339 SHARES -------- -------------------------------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 0 PERSON WITH -------- -------------------------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 9,339 -------- -------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - --------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9,339 - --------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - --------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.09% - --------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - --------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
Page 6 of 14 pages
- --------------------------------------------- ------------------------------------ 13G CUSIP No. 917273 10 4 Page 7 of 14 Pages ----------- - --------------------------------------------- ------------------------------------ - --------- ------------------------------------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Wallace R. Hawley - --------- ------------------------------------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - --------- ------------------------------------------------------------------------------------------------------------- 3 SEC USE ONLY - --------- ------------------------------------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ----------------------------- -------- -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 0 SHARES -------- -------------------------------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 0 PERSON WITH -------- -------------------------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 0 -------- -------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - --------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0 - --------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - --------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0% - --------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - --------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
Page 7 of 14 pages
- --------------------------------------------- ------------------------------------ 13G CUSIP No. 917273 10 4 Page 8 of 14 Pages ----------- - --------------------------------------------- ------------------------------------ - --------- ------------------------------------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS W. Scott Hedrick - --------- ------------------------------------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - --------- ------------------------------------------------------------------------------------------------------------- 3 SEC USE ONLY - --------- ------------------------------------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ----------------------------- -------- -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 0 SHARES -------- -------------------------------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 0 PERSON WITH -------- -------------------------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 0 -------- -------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - --------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0 - --------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - --------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.0% - --------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - --------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
Page 8 of 14 pages
- --------------------------------------------- ------------------------------------ 13G CUSIP No. 917273 10 4 Page 9 of 14 Pages ----------- - --------------------------------------------- ------------------------------------ - --------- ------------------------------------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS W. Stephen Holmes III - --------- ------------------------------------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - --------- ------------------------------------------------------------------------------------------------------------- 3 SEC USE ONLY - --------- ------------------------------------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ----------------------------- -------- -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 1,844 SHARES -------- -------------------------------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 0 PERSON WITH -------- -------------------------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 1,844 -------- -------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - --------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,844 - --------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - --------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.02% - --------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - --------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
Page 9 of 14 pages
- --------------------------------------------- ------------------------------------ 13G CUSIP No. 917273 10 4 Page 10 of 14 Pages ----------- - --------------------------------------------- ------------------------------------ - --------- ------------------------------------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Robert R. Momsen - --------- ------------------------------------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - --------- ------------------------------------------------------------------------------------------------------------- 3 SEC USE ONLY - --------- ------------------------------------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - ----------------------------- -------- -------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 18,727 SHARES -------- -------------------------------------------------------------------------------- BENEFICIALLY 6 SHARED VOTING POWER OWNED BY EACH REPORTING 0 PERSON WITH -------- -------------------------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 18,727 -------- -------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - --------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 18,727 - --------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - --------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.17% - --------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - --------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT!
Page 10 of 14 pages Item 1. (a) Name of Issuer: Urologix, Inc. ("Issuer") (b) Address of Issuer's Principal Executive Offices: 14405 Twenty-First Avenue North Minneapolis, MN 55447 Item 2. (a) Name of Person(s) Filing: InterWest Partners IV, L.P., a California limited partnership ("IWP IV") InterWest Management Partners IV, L.P. ("IMP IV") Harvey B. Cash ("Cash") Alan W. Crites ("Crites") Philip T. Gianos ("Gianos") Wallace R. Hawley ("Hawley") W. Scott Hedrick ("Hedrick") W. Stephen Holmes ("Holmes") Robert R. Momsen ("Momsen") (b) Address of Principal Business Office or, if none, Residence: 3000 Sand Hill Road Building 3, Suite 255 Menlo Park, CA 94025 (c) Citizenship/Place of Organization: IWP IV: California IMP IV: California Cash: United States Crites: United States Gianos: United States Hawley: United States Hedrick: United States Holmes: United States Momsen: United States (d) Title of Class of Securities: Common Stock (e) CUSIP Number: 917273 10 4 Item 3. Not applicable. Page 11 of 14 pages Item 4 Ownership.
- ------ ------------- ---------- ---------- ------------- ------------ ------------ ------------ ------------ ------------ Each Other IWP IV IMP IV Cash Crites Gianos Holmes Momsen Individual * - ------ ------------- ---------- ---------- ------------- ------------ ------------ ------------ ------------ ------------ (a) Beneficial Ownership 0 0 3,471 2,929 9,339 1,844 18,727 0 - ------ ------------- ---------- ---------- ------------- ------------ ------------ ------------ ------------ ------------ (b) Percentage of Class 0.0% 0.0% 0.03% 0.03% 0.09% 0.02% 0.17% 0.0% - ------ ------------- ---------- ---------- ------------- ------------ ------------ ------------ ------------ ------------ (c) Sole Voting Power 0 0 3,471 2,929 9,339 1,844 18,727 0 - ------ ------------- ---------- ---------- ------------- ------------ ------------ ------------ ------------ ------------ Shared Voting Power 0 0 0 0 0 0 0 0 - ------ ------------- ---------- ---------- ------------- ------------ ------------ ------------ ------------ ------------ Sole Dispositive Power 0 0 3,471 2,929 9,339 1,844 18,727 0 - ------ ------------- ---------- ---------- ------------- ------------ ------------ ------------ ------------ ------------ Shared Dispositive Power 0 0 0 0 0 0 0 0 - ------ ------------- ---------- ---------- ------------- ------------ ------------ ------------ ------------ ------------ * Includes Hawley and Hedrick
Item 5. Ownership of Five Percent or Less of a Class This statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities. Item 6. Ownership of More than Five Percent on Behalf of Another Person Under certain circumstances set forth in the partnership agreement of IMP IV, the general partners and/or limited partners of such partnership have the right to receive dividends from, or the proceeds from the sale of, the Common Stock of Issuer beneficially owned by such Partnership. 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 No reporting person is a member of a group as defined in section 240.13d-1(b)(1)(iii)(H) of the Act. Item 9. Notice of Dissolution of Group Not applicable. Item 10. Certification Not applicable EXHIBITS A. Joint Filing Statement Page 12 of 14 pages 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. Date: February ____, 1998 INTERWEST PARTNERS IV, L.P., a California ----------------------- limited partnership Harvey B. Cash By: InterWest Management Partners IV, L.P. ----------------------- Alan W. Crites By: --------------------------------- General Partner ----------------------- Philip T. Gianos INTERWEST MANAGEMENT PARTNERS IV, L.P. ----------------------- By: Wallace R. Hawley ------------------------------------------ General Partner ----------------------- W. Scott Hedrick ----------------------- W. Stephen Holmes III ----------------------- Robert R. Momsen Page 13 of 14 pages EXHIBIT A We, the undersigned, hereby express our agreement that the attached Schedule 13G is filed on behalf of each of us. Date: February ____, 1998 INTERWEST PARTNERS IV, L.P., a California -------------------- limited partnership Harvey B. Cash By: InterWest Management Partners IV, L.P. -------------------- Alan W. Crites By: ---------------------------------- General Partner -------------------- Philip T. Gianos INTERWEST MANAGEMENT PARTNERS IV, L.P. By: -------------------- ------------------------------------------ Wallace R. Hawley General Partner -------------------- W. Scott Hedrick -------------------- W. Stephen Holmes III --------------------- Robert R. Momsen Page 14 of 14 pages -----END PRIVACY-ENHANCED MESSAGE-----