-----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, GHZvj5bYw6E1VBXr0yMT16fJs0CJ9HmXL097tbTCYIoftPB8wyT86NeMIVRH1X3h zji9CtyZ6vInJlOWqhaaQw== 0000893838-00-000037.txt : 20000215 0000893838-00-000037.hdr.sgml : 20000215 ACCESSION NUMBER: 0000893838-00-000037 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20000214 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ISIS PHARMACEUTICALS INC CENTRAL INDEX KEY: 0000874015 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 330336973 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: SEC FILE NUMBER: 005-41771 FILM NUMBER: 541629 BUSINESS ADDRESS: STREET 1: 2292 FARADAY AVE CITY: CARLSBAD STATE: CA ZIP: 92008 BUSINESS PHONE: 7609319200 MAIL ADDRESS: STREET 1: 2292 FARADAY AVE CITY: CARLSBAD STATE: CA ZIP: 92008 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: BESSEMER VENTURE PARTNERS II LP CENTRAL INDEX KEY: 0000938122 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 133174238 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 1025 OLD GLORY COUNTRY RD STREET 2: STE 205 CITY: WESTBURY STATE: NY ZIP: 11590 BUSINESS PHONE: 5169972300 MAIL ADDRESS: STREET 1: 1025 OLD GLORY COUNTRY RD STREET 2: STE 205 CITY: WESTBURY STATE: NY ZIP: 11590 SC 13G/A 1 AMENDMENT NO. 8 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 8)* ISIS PHARMACEUTICALS, INC. - ------------------------------------------------------------------------------- (Name of Issuer) Common Stock - ------------------------------------------------------------------------------- (Title of Class of Securities) 464330109 - ------------------------------------------------------------------------------- (CUSIP Number) December 31, 1999 - ------------------------------------------------------------------------------- (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) |_| Rule 13d-1(c) |X| 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). Page 1 of 16 pages - ------------------- ------------------ CUSIP No. 464330109 13G Page 2 of 16 Pages - ------------------- ------------------ - ------------- ----------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON BESSEMER VENTURE PARTNERS II L.P. ("Bessemer II") 13-3174238 - ------------- ----------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |X| (b) | | - ------------- ----------------------------------------------------------------- 3 SEC USE ONLY - ------------- ----------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - ---------------------------------- ---------- --------------------------------- 5 SOLE VOTING POWER 759,566 shs. NUMBER OF ---------- --------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY -0- ---------- --------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 759,566 shs. ---------- --------------------------------- WITH 8 SHARED DISPOSITIVE POWER -0- - ---------------------------------- ---------- --------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 759,566 shs. - ------------- ----------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* | | - ------------- ----------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.5% - ------------- ----------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN - ------------- ----------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 2 of 16 pages - ------------------- ------------------ CUSIP No. 464330109 13G Page 3 of 16 Pages - ------------------- ------------------ - ------------- ----------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON DEER II & CO. LLC ("Deer II")* 13-3174240 - ------------- ----------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |X| (b) | | - ------------- ----------------------------------------------------------------- 3 SEC USE ONLY - ------------- ----------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - ---------------------------------- ---------- --------------------------------- 5 SOLE VOTING POWER 759,566 shs. NUMBER OF ---------- --------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY -0- ---------- --------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 759,566 shs. ---------- --------------------------------- WITH 8 SHARED DISPOSITIVE POWER -0- - ---------------------------------- ---------- --------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 759,566 shs. - ------------- ----------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* | | - ------------- ----------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.5% - ------------- ----------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN - ------------- ----------------------------------------------------------------- *The shares reported on this page are the same as those reported on page 2 as Deer II & Co. LLC is the General Partner of Bessemer II. *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 3 of 16 pages - ------------------- ------------------ CUSIP No. 464330109 13G Page 4 of 16 Pages - ------------------- ------------------ - ------------- ----------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON BESSEMER VENTURE PARTNERS III L.P. ("Bessemer III") 11-3197697 - ------------- ----------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |X| (b) | | - ------------- ----------------------------------------------------------------- 3 SEC USE ONLY - ------------- ----------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - ---------------------------------- ---------- --------------------------------- 5 SOLE VOTING POWER 486,464 shs. NUMBER OF ---------- --------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY -0- shs. ---------- --------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 486,464 shs. ---------- --------------------------------- WITH 8 SHARED DISPOSITIVE POWER -0- shs. - ---------------------------------- ---------- --------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 486,464 shs. - ------------- ----------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* | | - ------------- ----------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 1.6% - ------------- ----------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN - ------------- ----------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 4 of 16 pages - ------------------- ------------------ CUSIP No. 464330109 13G Page 5 of 16 Pages - ------------------- ------------------ - ------------- ----------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON DEER III & CO. LLC ("Deer III")* 11-3197696 - ------------- ----------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) |X| (b) | | - ------------- ----------------------------------------------------------------- 3 SEC USE ONLY - ------------- ----------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - ---------------------------------- ---------- --------------------------------- 5 SOLE VOTING POWER 486,464 shs. NUMBER OF ---------- --------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY -0- shs. ---------- --------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 486,464 shs. ---------- --------------------------------- WITH 8 SHARED DISPOSITIVE POWER -0- shs. - ---------------------------------- ---------- --------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 486,464 shs. - ------------- ----------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* | | - ------------- ----------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 1.6% - ------------- ----------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN - ------------- ----------------------------------------------------------------- *The shares reported on this page are the same as those reported on page 4 as Deer III & Co. LLC is the General Partner of Bessemer III. *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 5 of 16 pages - ------------------- ------------------ CUSIP No. 464330109 13G Page 6 of 16 Pages - ------------------- ------------------ - ------------- ----------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON NEILL H. BROWNSTEIN ###-##-#### - ------------- ----------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) | | (b) |X| - ------------- ----------------------------------------------------------------- 3 SEC USE ONLY - ------------- ----------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION U.S.A. - ---------------------------------- ---------- --------------------------------- 5 SOLE VOTING POWER -0- NUMBER OF ---------- --------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY -0- ---------- --------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON -0- ---------- --------------------------------- WITH 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- - ------------- ----------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ------------- ----------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 6 of 16 pages - ------------------- ------------------ CUSIP No. 464330109 13G Page 7 of 16 Pages - ------------------- ------------------ - ------------- ----------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON ROBERT H. BUESCHER ###-##-#### - ------------- ----------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) | | (b) |X| - ------------- ----------------------------------------------------------------- 3 SEC USE ONLY - ------------- ----------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION U.S.A. - ---------------------------------- ---------- --------------------------------- 5 SOLE VOTING POWER 8,924 shs. NUMBER OF ---------- --------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY -0- ---------- --------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 8,924 shs. ---------- --------------------------------- WITH 8 SHARED DISPOSITIVE POWER -0- - ---------------------------------- ---------- --------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 8,924 shs. - ------------- ----------------------------------------------------------------- 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 INSTRUCTIONS BEFORE FILLING OUT! Page 7 of 16 pages - ------------------- ------------------ CUSIP No. 464330109 13G Page 8 of 16 Pages - ------------------- ------------------ - ------------- ----------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON WILLIAM T. BURGIN ###-##-#### - ------------- ----------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) | | (b) |X| - ------------- ----------------------------------------------------------------- 3 SEC USE ONLY - ------------- ----------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION U.S.A. - ---------------------------------- ---------- --------------------------------- 5 SOLE VOTING POWER 50,000 shs. NUMBER OF ---------- --------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY -0- ---------- --------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 50,000 shs. ---------- --------------------------------- WITH 8 SHARED DISPOSITIVE POWER -0- - ---------------------------------- ---------- --------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 50,000 shs. - ------------- ----------------------------------------------------------------- 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 INSTRUCTIONS BEFORE FILLING OUT! Page 8 of 16 pages - ------------------- ------------------ CUSIP No. 464330109 13G Page 9 of 16 Pages - ------------------- ------------------ - ------------- ----------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON G. FELDA HARDYMON ###-##-#### - ------------- ----------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) | | (b) |X| - ------------- ----------------------------------------------------------------- 3 SEC USE ONLY - ------------- ----------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION U.S.A. - ---------------------------------- ---------- --------------------------------- 5 SOLE VOTING POWER 33,666 shs. NUMBER OF ---------- --------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY -0- ---------- --------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 33,666 shs. ---------- --------------------------------- WITH 8 SHARED DISPOSITIVE POWER -0- - ---------------------------------- ---------- --------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 33,666 shs. - ------------- ----------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* | | - ------------- ----------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.11% - ------------- ----------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ------------- ----------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 9 of 16 pages - ------------------- ------------------- CUSIP No. 464330109 13G Page 10 of 16 Pages - ------------------- ------------------- - ------------- ----------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON CHRISTOPHER F. O. GABRIELI ###-##-#### - ------------- ----------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) | | (b) |X| - ------------- ----------------------------------------------------------------- 3 SEC USE ONLY - ------------- ----------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION U.S.A. - ---------------------------------- ---------- --------------------------------- 5 SOLE VOTING POWER 111,364 shs. NUMBER OF ---------- --------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY -0- ---------- --------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 111,364 shs. ---------- --------------------------------- WITH 8 SHARED DISPOSITIVE POWER -0- - ---------------------------------- ---------- --------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 111,364 shs. - ------------- ----------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* | | - ------------- ----------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.4% - ------------- ----------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ------------- ----------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 10 of 16 pages - ------------------- ------------------- CUSIP No. 464330109 13G Page 11 of 16 Pages - ------------------- ------------------- - ------------- ----------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON MICHAEL I. BARACH ###-##-#### - ------------- ----------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) | | (b) |X| - ------------- ----------------------------------------------------------------- 3 SEC USE ONLY - ------------- ----------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION U.S.A. - ---------------------------------- ---------- --------------------------------- 5 SOLE VOTING POWER 140 shs. NUMBER OF ---------- --------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY -0- ---------- --------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 140 shs. ---------- --------------------------------- WITH 8 SHARED DISPOSITIVE POWER -0- - ---------------------------------- ---------- --------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 140 shs. - ------------- ----------------------------------------------------------------- 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 INSTRUCTIONS BEFORE FILLING OUT! Page 11 of 16 pages - ------------------- ------------------- CUSIP No. 464330109 13G Page 12 of 16 Pages - ------------------- ------------------- - ------------- ----------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON DAVID J. COWAN ###-##-#### - ------------- ----------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) | | (b) |X| - ------------- ----------------------------------------------------------------- 3 SEC USE ONLY - ------------- ----------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION U.S.A. - ---------------------------------- ---------- --------------------------------- 5 SOLE VOTING POWER -0- NUMBER OF ---------- --------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY -0- ---------- --------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON -0- ---------- --------------------------------- WITH 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 INSTRUCTIONS BEFORE FILLING OUT! Page 12 of 16 pages Item 1. (a) Name of Issuer: ISIS Pharmaceuticals, Inc. (b) Address of Issuer's Principal Executive Office: 2280 B Faraday Avenue Carlsbad, California 92008 Item 2. (a), (b) and (c) Name of Persons Filing, Address of Principal Business ----------------------------------------------------- Office and Citizenship: ---------------------- This statement is filed by Bessemer Venture Partners II L.P. and Bessemer Venture Partners III L.P. (collectively referred to as "Bessemer"), both Delaware limited partnerships having their principal office at 1400 Old Country Road, Suite 407, Westbury, New York, 11590. Bessemer's principal business is making venture capital investments for its own account and is carried on at its principal office. This statement is also filed by Deer II & Co. LLC, a Delaware limited liability company whose members are Neill H. Brownstein*, Robert H. Buescher, William T. Burgin, G. Felda Hardymon and Christopher F. O. Gabrieli, and by Deer III & Co. LLC, a Delaware limited liability company whose members are Neill H. Brownstein*, Robert H. Buescher, William T. Burgin, G. Felda Hardymon, Christopher F. O. Gabrieli, Michael I. Barach** and David J. Cowan. All of such individuals are United States citizens. This statement is also filed by each of such individuals. Deer II & Co. LLC and Deer III & Co. LLC are, respectively, the General Partners of Bessemer Venture Partners II L.P. and Bessemer Venture Partners III L.P. and have their principal offices at the same address as Bessemer. The principal business of Deer II & Co. LLC and Deer III & Co. LLC is making venture capital investments for the account of Bessemer and is carried on at their principal offices, at 535 Middlefield Road, Suite 245, Menlo Park, California 94025 and at 83 Walnut Street, Wellesley Hills, Massachusetts 02181-2101. Mr. Brownstein's and Mr. Cowan's principal business address is the Menlo Park address. Mr. Buescher's principal business address is the principal office of Bessemer. Mr. Burgin's, Mr. Hardymon's, Mr. Gabrieli's and Mr. Barach's principal business address is the Wellesley Hills address. *As of January 1, 1995, Mr. Brownstein became a special member of Deer II and Deer III with no power to participate in the management of their affairs. **As of August 1, 1996, Mr. Barach became a special member of Deer III with no power to participate in the management of its affairs. (d) Title of Class of Securities: Common Stock (e) CUSIP Number: 464330109 Page 13 of 16 pages Item 3. If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a: Not applicable. Item 4. Ownership as of December 31, 1999 Items 5 through 9 of Pages 2 through 12 of this Statement incorporated herein by reference. 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 securities, check the following |X|. Item 6. Ownership of More than Five Percent on Behalf of Another Person Not applicable. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company Not applicable. Item 8. Identification and Classification of Members of the Group See the answer to Item 2(a), (b) and (c). Item 9. Notice of Dissolution of Group Not applicable. Page 14 of 16 pages Item 10. Certification Not applicable. SIGNATURES After reasonable inquiry and to the best of our knowledge and belief, we certify that the information set forth in this statement is true, complete and correct. Dated: February 14, 2000 BESSEMER VENTURE PARTNERS II L.P. By: Deer II & Co. LLC, General Partner By: /s/ Robert H. Buescher ------------------------------------ Robert H. Buescher, Manager DEER II & Co. LLC By: /s/ Robert H. Buescher ------------------------------------ Robert H. Buescher, Manager BESSEMER VENTURE PARTNERS III L.P. By: Deer III & Co. LLC, General Partner By: /s/ Robert H. Buescher ------------------------------------ Robert H. Buescher, Manager DEER III & Co. LLC By: /s/ Robert H. Buescher ------------------------------------ Robert H. Buescher, Manager NEILL H. BROWNSTEIN By: * ------------------------------------ Robert H. Buescher, Attorney-in-Fact Page 15 of 16 pages WILLIAM T. BURGIN By: * ------------------------------------ Robert H. Buescher, Attorney-in-Fact G. FELDA HARDYMON By: * ------------------------------------ Robert H. Buescher, Attorney-in-Fact CHRISTOPHER F.O. GABRIELI By: * ------------------------------------ Robert H. Buescher, Attorney-in-Fact MICHAEL I. BARACH By: * ------------------------------------ Robert H. Buescher, Attorney-in-Fact DAVID J. COWAN By: * ------------------------------------ Robert H. Buescher, Attorney-in-Fact /s/ Robert H. Buescher ---------------------------------------- Robert H. Buescher for himself and as Attorney-in-Fact for the above parties having an asterisk (*) above their signature line Page 16 of 16 pages -----END PRIVACY-ENHANCED MESSAGE-----