-----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, BckP+IUKVKhDQrNQSeS+pklkv7s7u29K1bxSVFt05Nl4BtqBBL7vnTUc+k2gC4n4 SlXPnqeTLNgruasNs9/k8A== 0000950005-00-000276.txt : 20000215 0000950005-00-000276.hdr.sgml : 20000215 ACCESSION NUMBER: 0000950005-00-000276 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20000214 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: INNOVASIVE DEVICES INC CENTRAL INDEX KEY: 0001003608 STANDARD INDUSTRIAL CLASSIFICATION: ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES [3842] IRS NUMBER: 043132641 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-49257 FILM NUMBER: 538282 BUSINESS ADDRESS: STREET 1: 734 FOREST ST CITY: MARLBOROUGH STATE: MA ZIP: 01752 BUSINESS PHONE: 5084346000 MAIL ADDRESS: STREET 1: 734 FOREST STREET CITY: MARLBOROUGH STATE: MA ZIP: 01752 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: INTERWEST PARTNERS V LP CENTRAL INDEX KEY: 0000908156 STANDARD INDUSTRIAL CLASSIFICATION: [] STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 3000 SAND HILL RD BLDG 3 STREET 2: SUITE 255 CITY: MENLO PARK STATE: CA ZIP: 94025 SC 13G/A 1 FORM 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment no. 3) Innovasive Devices, Inc. -------------------------------------------------------- (Name of Issuer) Common Stock -------------------------------------------------------- (Title of Class of Securities) 45766K 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. 45766K 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 V, LP - ---------- ------------------------------------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |_| - ---------- ------------------------------------------------------------------------------------------------------------- 3 SEC USE ONLY - ---------- ------------------------------------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION California - ---------- ------------------------------------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 521,363 BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING 0 PERSON WITH 7 SOLE DISPOSITIVE POWER 521,363 8 SHARED DISPOSITIVE POWER 0 - ---------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 521,363 - ---------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ---------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.6% - ---------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN - ---------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! PAGE 2 OF 14 PAGES
- ------------------------------------------------------------------------------------------------------------------------ 13G CUSIP NO. 45766K 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 V, LP - ---------- ------------------------------------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |_| (b) |_| - ---------- ------------------------------------------------------------------------------------------------------------- 3 SEC USE ONLY - ---------- ------------------------------------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION California - ---------- ------------------------------------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 521,363 BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING 0 PERSON WITH 7 SOLE DISPOSITIVE POWER 521,363 8 SHARED DISPOSITIVE POWER 0 - ---------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 521,363 - ---------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ---------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.6% - ---------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN - ---------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! PAGE 3 OF 14 PAGES
- ------------------------------------------------------------------------------------------------------------------------ 13G CUSIP NO. 45766K 10 4 PAGE 4 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 - ---------- ------------------------------------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 196 BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING 524,727 PERSON WITH 7 SOLE DISPOSITIVE POWER 196 8 SHARED DISPOSITIVE POWER 524,727 - ---------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 524,923 - ---------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ---------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.7% - ---------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ---------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! PAGE 4 OF 14 PAGES
- ------------------------------------------------------------------------------------------------------------------------ 13G CUSIP NO. 45766K 10 4 PAGE 5 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 - ---------- ------------------------------------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 0 BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING 521,363 PERSON WITH 7 SOLE DISPOSITIVE POWER 0 8 SHARED DISPOSITIVE POWER 521,363 - ---------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 521,363 - ---------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ---------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.6% - ---------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ---------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! PAGE 5 OF 14 PAGES
- ------------------------------------------------------------------------------------------------------------------------ 13G CUSIP NO. 45766K 10 4 PAGE 6 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 - ---------- ------------------------------------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 267 BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING 524,727 PERSON WITH 7 SOLE DISPOSITIVE POWER 267 8 SHARED DISPOSITIVE POWER 524,727 - ---------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 524,994 - ---------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ---------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.7% - ---------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ---------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! PAGE 6 OF 14 PAGES
- ------------------------------------------------------------------------------------------------------------------------ 13G CUSIP NO. 45766K 10 4 PAGE 7 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 - ---------- ------------------------------------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 136 BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING 524,727 PERSON WITH 7 SOLE DISPOSITIVE POWER 136 8 SHARED DISPOSITIVE POWER 524,727 - ---------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 524,863 - ---------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ---------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.7% - ---------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ---------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! PAGE 7 OF 14 PAGES
- ------------------------------------------------------------------------------------------------------------------------ 13G CUSIP NO. 45766K 10 4 PAGE 8 OF 14 PAGES - ---------- ------------------------------------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS W. Stephen Holmes - ---------- ------------------------------------------------------------------------------------------------------------- 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 - ---------- ------------------------------------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 51 BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING 524,727 PERSON WITH 7 SOLE DISPOSITIVE POWER 51 8 SHARED DISPOSITIVE POWER 524,727 - ---------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 524,778 - ---------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ---------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.7% - ---------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ---------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! PAGE 8 OF 14 PAGES
- ------------------------------------------------------------------------------------------------------------------------ 13G CUSIP NO. 45766K 10 4 PAGE 9 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 - ---------- ------------------------------------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 9,698 BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING 524,727 PERSON WITH 7 SOLE DISPOSITIVE POWER 9,698 8 SHARED DISPOSITIVE POWER 524,727 - ---------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 534,425 - ---------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ---------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.8% - ---------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ---------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! PAGE 9 OF 14 PAGES
- ------------------------------------------------------------------------------------------------------------------------ 13G CUSIP NO. 45766K 10 4 PAGE 10 OF 14 PAGES - ---------- ------------------------------------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Arnold L. Oronsky - ---------- ------------------------------------------------------------------------------------------------------------- 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 - ---------- ------------------------------------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 150 BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING 521,363 PERSON WITH 7 SOLE DISPOSITIVE POWER 150 8 SHARED DISPOSITIVE POWER 521,363 - ---------- ------------------------------------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 521,513 - ---------- ------------------------------------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* - ---------- ------------------------------------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.6% - ---------- ------------------------------------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ---------- ------------------------------------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! PAGE 10 OF 14 PAGES
Item 1. (a) Name of Issuer: Innovasive Devices, Inc. ("Issuer") (b) Address of Issuer's Principal Executive Offices: 734 Forest Street Marlborough, MA 01752-3032 Item 2. (a) Name of Person(s) Filing: InterWest Partners V, L.P. ("IWP V') InterWest Management Partners V, L.P. ("IMP V") Alan W. Crites ("Crites") Philip T. Gianos ("Gianos") Wallace R. Hawley ("Hawley") W. Scott Hedrick ("Hedrick") W. Stephen Holmes ("Holmes") Robert R. Momsen ("Momsen") Arnold L. Oronsky ("Oronsky") (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 V: California IMP V: California Crites: United States Gianos: United States Hawley: United States Hedrick: United States Holmes: United States Momsen: United States Oronsky: United States (d) Title of Class of Securities: Common Stock (e) CUSIP Number: 45766K 10 4 Item 3. Not applicable. Page 11 of 14 pages Item 4. Ownership. ======= ============= ========== ============ ============ =========== =========== ============ ============ ============
IWP V IMP V Crites Gianos Hawley Hedrick Holmes Momsen Oronsky - ------- ------------- ---------- ------------ ------------ ----------- ----------- ------------ ------------ ------------ (a) Beneficial Ownership 521,363 524,923** 521,363 524,994** 524,863** 524,778** 534,425** 521,513 - ------- ------------- ---------- ------------ ------------ ----------- ----------- ------------ ------------ ------------ (b) Percentage of Class 5.6% 5.7% 5.6% 5.7% 5.7% 5.7% 5.8% 5.6% - ------- ------------- ---------- ------------ ------------ ----------- ----------- ------------ ------------ ------------ (c) Sole Voting Power 521,363 196 0 267 136 51 9,698* 150 - ------- ------------- ---------- ------------ ------------ ----------- ----------- ------------ ------------ ------------ Shared Voting Power 0 524,727 521,363 524,727 524,727 524,727 524,727 521,363 - ------- ------------- ---------- ------------ ------------ ----------- ----------- ------------ ------------ ------------ Sole Dispositive Power 521,363 196 0 267 136 51 9,698* 150 - ------- ------------- ---------- ------------ ------------ ----------- ----------- ------------ ------------ ------------ Shared Dispositive Power 0 524,727 521,363 524,727 524,727 524,727 524,727 521,363 ======= ============= ========== ============ ============ =========== =========== ============ ============ ============ *Includes options vested through 2/29/2000 representing 9,375 shares of common stock. **Includes 3,364 shares of Issuer's Common stock held by InterWest Investors V, a general partnership, of which Crites, Hawley, Hedrick, Holmes and Momsen are general partners.
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 Under certain circumstances set forth in the partnership agreement of IMP V, 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 ____, 2000 INTERWEST PARTNERS V, L.P. By: InterWest Management Partners V, L.P. ------------------ Alan W. Crites By: __________________________________________ General Partner ------------------ Philip T. Gianos INTERWEST MANAGEMENT PARTNERS V, L.P. ------------------ By: _________________________________________________ Wallace R. Hawley General Partner ------------------ W. Scott Hedrick ------------------ W. Stephen Holmes ------------------ Robert R. Momsen ------------------ Arnold L. Oronsky 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 ____, 2000 INTERWEST PARTNERS V, L.P. By: InterWest Management Partners V, L.P. ------------------ Alan W. Crites By: __________________________________________ General Partner ------------------ Philip T. Gianos INTERWEST MANAGEMENT PARTNERS V, L.P. ------------------ By: _________________________________________________ Wallace R. Hawley General Partner ------------------ W. Scott Hedrick ------------------ W. Stephen Holmes ------------------ Robert R. Momsen ------------------ Arnold L. Oronsky Page 14 of 14 pages -----END PRIVACY-ENHANCED MESSAGE-----