-----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, VnABOfZ462MG4V+7hHWctIKl0wjUoY3eu4J3oxzOlRa8Vvc2oGah8fLwUxfAr4D+ Hy8mfcN1GzirBpjAuD3w7A== 0000950005-01-000069.txt : 20010209 0000950005-01-000069.hdr.sgml : 20010209 ACCESSION NUMBER: 0000950005-01-000069 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20010208 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: TURNSTONE SYSTEMS INC CENTRAL INDEX KEY: 0001054131 STANDARD INDUSTRIAL CLASSIFICATION: TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813] IRS NUMBER: 770405505 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: SEC FILE NUMBER: 005-60359 FILM NUMBER: 1527820 BUSINESS ADDRESS: STREET 1: 2220 CENTRAL EXPRESSWAY CITY: SANTA CLARA STATE: CA ZIP: 95050 BUSINESS PHONE: 4089071400 MAIL ADDRESS: STREET 1: 2220 CENTRAL EXPRESSWAY CITY: SANTA CLARA STATE: CA ZIP: 95050 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: INSTITUTIONAL VENTURE PARTNERS VII CENTRAL INDEX KEY: 0001026919 STANDARD INDUSTRIAL CLASSIFICATION: [] IRS NUMBER: 943244086 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 3000 SAND HILL RD, BLDG 2 STREET 2: SUITE 290 CITY: MENLO PARK STATE: CA ZIP: 94025 BUSINESS PHONE: 4158540132 MAIL ADDRESS: STREET 1: 3000 SAND HILL RD STREET 2: BLDG 2, SUITE 290 CITY: MENLO PARK STATE: CA ZIP: 94025 SC 13G 1 0001.txt SC 13G ================================================================================ SEC 1745 (6-00) Potential persons who are to respond to the collection in information contained in this form are not required to respond unless the form displays a currently valid OMB control number. ================================================================================ -------------------------------- OMB approval United States -------------------------------- Securities and Exchange Commission OMB Number: 3235-0145 Washington, D.C. 20549 -------------------------------- Expires: October 31, 2002 -------------------------------- Estimated average burden hours per response . . . 14.9 -------------------------------- Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. ____________)* Turnstone Systems, Inc. - -------------------------------------------------------------------------------- (Name of Issuer) Common Stock - -------------------------------------------------------------------------------- (Title of Class of Securities) 900423 10 4 - -------------------------------------------------------------------------------- (CUSIP Number) December 31, 2000 - -------------------------------------------------------------------------------- (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 ("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). 1 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Institutional Venture Partners VII, L.P. 94-3244086 - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power none............................... ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power none.......................... ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,813,764 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.5% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) PN....................... - -------------------------------------------------------------------------------- 2 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Institutional Venture Management VII, L.P. 94-3244085 - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power none............................... ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power none.......................... ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,813,764 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.5% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) PN....................... - -------------------------------------------------------------------------------- 3 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). IVP Founders Fund I, L.P. 94-3231480 - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power none............................... ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power none.......................... ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,813,764 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.5% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) PN....................... - -------------------------------------------------------------------------------- 4 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Broadband Fund, L.P. 94-3301396 - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power none............................... ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power none.......................... ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,813,764 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.5% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) PN....................... - -------------------------------------------------------------------------------- 5 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Samuel D. Colella ###-##-#### - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power 34,442............................. ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power 34,442........................ ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,848,206 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.6% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) IN....................... - -------------------------------------------------------------------------------- 6 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Reid W. Dennis ###-##-#### - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power 29,178............................. ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power 29,178........................ ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,842,942 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.6% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) IN....................... - -------------------------------------------------------------------------------- 7 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Mary Jane Elmore ###-##-#### - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power 9,016.............................. ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power 9,016......................... ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,822,780 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.6% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) IN....................... - -------------------------------------------------------------------------------- 8 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Norman A. Fogelsong ###-##-#### - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power 25,546............................. ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power 25,546........................ ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,839,310 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.6% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) IN....................... - -------------------------------------------------------------------------------- 9 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Ruthann Quindlen ###-##-#### - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power 34,072............................. ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power 34,072........................ ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,847,836 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.6% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) IN....................... - -------------------------------------------------------------------------------- 10 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). L. James Strand ###-##-#### - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power 38,456............................. ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power 38,456........................ ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,852,220 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.6% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) IN....................... - -------------------------------------------------------------------------------- 11 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). William P. Tai ###-##-#### - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power 24,586............................. ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,455,914....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power 24,586........................ ------------------------------------------------------------ 8. Shared Dispositive Power 10,455,914.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,480,500 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.1% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) IN....................... - -------------------------------------------------------------------------------- 12 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). T. Peter Thomas ###-##-#### - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power 40,646............................. ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power 40,646........................ ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,854,410 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.6% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) IN....................... - -------------------------------------------------------------------------------- 13 of 18 CUSIP No. 900423 10 4............................ - -------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Geoffrey Y. Yang ###-##-#### - -------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) ............................................................... (b) X.............................................................. - -------------------------------------------------------------------------------- 3. SEC Use Only........................................................... - -------------------------------------------------------------------------------- 4. Citizenship or Place of Organization California................... - -------------------------------------------------------------------------------- 5. Sole Voting Power 62,604............................. ------------------------------------------------------------ Number of Shares Beneficially Owned by Each 6. Shared Voting Power 10,813,764....................... Reporting Person With ------------------------------------------------------------ 7. Sole Dispositive Power 62,604........................ ------------------------------------------------------------ 8. Shared Dispositive Power 10,813,764.................. - -------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 10,876,368 - -------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)..................................................... - -------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 16.7% ............. - -------------------------------------------------------------------------------- 12. Type of Reporting Person (See Instructions) IN....................... - -------------------------------------------------------------------------------- 14 of 18 Item 1. (a) Name of Issuer: Turnstone Systems, Inc. (b) Address of Issuer's Principal Executive Offices: 274 Ferguson Drive, Mountain View, CA Item 2. (a) Name of Persons Filing: Institutional Venture Partners VII, L.P. ("IVP") Institutional Venture Management VII, L.P. ("IVM") IVP Founders Fund I, L.P. ("FFI") Broadband Fund, L.P. ("BBF") Samuel D. Colella ("SDC") Reid W. Dennis ("RWD") Mary Jane Elmore ("MJE") Norman A. Fogelsong ("NAF") Ruthann Quindlen ("RAQ") L. James Strand ("LJS") William P. Tai ("WPT") T. Peter Thomas ("TPT") Geoffrey Y. Yang ("GYY") IVM is the General Partner of IVP. SDC, RWD, MJE, NAF, RAQ, LJS, WPT, TPT, & GYY are General Partners of IVM and the General Partner of BBF. SDC, RWD, RAQ, LJS, TPT and GYY are General Partners of the General Partner of FFI. (b) Address of Principal Business Office or, if None, Residence: 3000 Sand Hill Road Building 2, Suite 290 Menlo Park, CA 94025 (c) Citizenship: Entities: California Individuals: United States (d) Title of Class of Securities: Common Stock (e) CUSIP Number: 900423 10 4 Item 3. If this statement is filed pursuant to Rules 13d-1(b),or 13d-2(b), check whether the person filing is a: 15 of 18 Not applicable Item 4. Ownership See Rows 5 through 11 of cover pages 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 |_|. Item 6. Ownership of More than Five Percent on Behalf of Another Person Under certain circumstances set forth in IVP and IVM's Limited Partnership Agreements, the General Partners and Limited Partners of each of such funds have the right to receive dividends from, or the proceeds from the sale of, the Common Stock of Issuer owned by each such fund. 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 Item 10. Certification [The following certification shall be included if the statement is filed pursuant to Rule 13d-1(c):] By signing below I certify that, to the best of my knowledge and belief, the securities referral 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. [EXHIBITS] [A: Joint Filing Statement] 16 of 18 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 1, 2001 INSTITUTIONAL VENTURE PARTNERS VII, L.P. By its General Partner, Institutional Venture Management VII, LP IVP FOUNDERS FUND I, L.P. By its General Partner, Institutional Venture Management VI, L.P. BROADBAND FUND, L.P. By its General Partner, BBF Management, LLC By its Manager, Institutional Venture Management VIII, LLC - ---------------------------------------------------- Geoffrey Y. Yang, General Partner & Managing Director - ------------------------------- Samuel D. Colella - -------------------------------- Reid W. Dennis - -------------------------------- Mary Jane Elmore - -------------------------------- Norman A. Fogelsong - -------------------------------- Ruthann Quindlen - -------------------------------- L. James Strand - -------------------------------- William P. Tai - -------------------------------- T. Peter Thomas - -------------------------------- Geoffrey Y. Yang 17 of 18 EXHIBIT A JOINT FILING STATEMENT Pursuant to Rule 13d-1(f)(1), we, the undersigned, hereby express our agreement that the attached Schedule 13G is filed on behalf of each of us. Date: February 1, 2001 INSTITUTIONAL VENTURE PARTNERS VII, L.P. By its General Partner, Institutional Venture Management VII, LP IVP FOUNDERS FUND I, L.P. By its General Partner, Institutional Venture Management VI, L.P. BROADBAND FUND, L.P. By its General Partner, BBF Management, LLC By its Manager, Institutional Venture Management VIII, LLC - ---------------------------------------------------- Geoffrey Y. Yang, General Partner & Managing Director - ------------------------------- Samuel D. Colella - -------------------------------- Reid W. Dennis - -------------------------------- Mary Jane Elmore - -------------------------------- Norman A. Fogelsong - -------------------------------- Ruthann Quindlen - -------------------------------- L. James Strand - -------------------------------- William P. Tai - -------------------------------- T. Peter Thomas - -------------------------------- Geoffrey Y. Yang 18 of 18 -----END PRIVACY-ENHANCED MESSAGE-----