<PAGE> 1
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
---------
SCHEDULE 13G
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES 13d-1(b) AND (c) AND AMENDMENTS THERETO FILED
PURSUANT TO 13d-2(b)
(Amendment No. 1)(1)
Prism Solutions, Inc.
(Name of Issuer)
Common Stock, par value $.001 per share
(Title of Class of Securities)
74294710
(CUSIP Number)
(1) 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> 2
CUSIP NO. 74294710 13G PAGE 2 OF 19 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
MAYFIELD VI INVESTMENT PARTNERS, A CALIFORNIA LIMITED PARTNERSHIP
94-3060511
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [ X ]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
CALIFORNIA
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 1,835,796
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
1,835,796
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,835,796
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
12.4%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
PN
---------------------------------------------------------------------
<PAGE> 3
CUSIP NO. 74294710 13G PAGE 3 OF 19 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
MAYFIELD VI MANAGEMENT PARTNERS, A CALIFORNIA LIMITED PARTNERSHIP
94-3058675
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [ X ]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
CALIFORNIA
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 1,835,796
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
1,835,796
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,835,796
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
12.4%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
PN
---------------------------------------------------------------------
<PAGE> 4
CUSIP NO. 74294710 13G PAGE 4 OF 19 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
MAYFIELD ASSOCIATES FUND, A CALIFORNIA LIMITED PARTNERSHIP
94-3062897
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [ X ]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
CALIFORNIA
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 81,930
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
81,930
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
81,930
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.6%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
PN
---------------------------------------------------------------------
<PAGE> 5
CUSIP NO. 74294710 13G PAGE 5 OF 19 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
MAYFIELD SOFTWARE TECHNOLOGY PARTNERS, A CALIFORNIA PARTNERSHIP
94-3157263
---------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [ X ]
---------------------------------------------------------------------
(3) SEC USE ONLY
---------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
CALIFORNIA
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 130,558
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
130,558
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
130,558
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.9%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
PN
---------------------------------------------------------------------
<PAGE> 6
CUSIP NO. 74294710 13G PAGE 6 OF 19 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
YOGEN K. DALAL
SOCIAL SECURITY NUMBER: ###-##-####
---------------------------------------------------------------------
(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.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF 821
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 2,048,284
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH 281
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
2,048,284
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,049,105
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
13.9%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 7
CUSIP NO. 74294710 13G PAGE 7 OF 19 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
F. GIBSON MYERS, JR.
SOCIAL SECURITY NUMBER: ###-##-####
---------------------------------------------------------------------
(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.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF 821
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 2,048,284
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH 821
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
2,048,284
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,049,105
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
13.9%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 8
CUSIP NO. 74294710 13G PAGE 8 OF 19 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
KEVIN A. FONG
SOCIAL SECURITY NUMBER: ###-##-####
---------------------------------------------------------------------
(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.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
14,079 (includes options to purchase
9,576 shares)
NUMBER OF --------------------------------------------------------
SHARES (6) SHARED VOTING POWER
BENEFICIALLY 2,048,284
OWNED BY --------------------------------------------------------
EACH (7) SOLE DISPOSITIVE POWER
REPORTING 14,079 (includes options to purchase
PERSON WITH 9,576 shares)
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
2,048,284
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,062,363 (includes options to purchase 9,576 shares)
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
14.0%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 9
CUSIP NO. 74294710 13G PAGE 9 OF 19 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
WILLIAM D. UNGER
SOCIAL SECURITY NUMBER: ###-##-####
---------------------------------------------------------------------
(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.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF -0-
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 2,048,284
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH -0-
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
2,048,284
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,048,284
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
13.9%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 10
CUSIP NO. 74294710 13G PAGE 10 OF 19 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
WENDELL G. VAN AUKEN
SOCIAL SECURITY NUMBER: ###-##-####
---------------------------------------------------------------------
(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.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF 821
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 2,048,284
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH 821
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
2,048,284
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,049,105
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
13.9%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 11
CUSIP NO. 74294710 13G PAGE 11 OF 19 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
MICHAEL J. LEVINTHAL
SOCIAL SECURITY NUMBER: ###-##-####
---------------------------------------------------------------------
(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.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF 1,021
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 2,048,284
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH 1,021
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
2,048,284
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,049,305
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
13.9%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 12
CUSIP NO. 74294710 13G PAGE 12 OF 19 PAGES
-------------------- ----- -----
(1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
A. GRANT HEIDRICH, III
SOCIAL SECURITY NUMBER: ###-##-####
---------------------------------------------------------------------
(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.
---------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF 821
SHARES --------------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 2,048,284
EACH --------------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON WITH 821
--------------------------------------------------------
(8) SHARED DISPOSITIVE POWER
2,048,284
--------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,049,105
---------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES [ ]
---------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
13.9%
---------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON
IN
---------------------------------------------------------------------
<PAGE> 13
ITEM 1.
(a) NAME OF ISSUER:
Prism Solutions, Inc.
(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
1000 Hamlin Court
Sunnyvale, CA 94089
ITEM 2.
(a) NAME OF PERSONS FILING:
Mayfield VI Investment Partners, a California Limited Partnership
Mayfield VI Management Partners, a California Limited Partnership
Mayfield Associates Fund, a California Limited Partnership
Mayfield Software Technology Partners, a California Partnership
Yogen K. Dalal
Kevin A. Fong
Wendell G. Van Auken
A. Grant Heidrich, III
F. Gibson Myers, Jr.
William D. Unger
Michael J. Levinthal
(b) ADDRESS OF PRINCIPAL BUSINESS OFFICE:
c/o The Mayfield Fund
2800 Sand Hill Road
Menlo Park, CA 94025
(c) CITIZENSHIP:
The entities listed in Item 2(a) are California Limited
Partnerships except Mayfield Software Technology Partners, which
is a California Partnership
The individuals listed in Item 2(a) are U.S. citizens.
(d) TITLE OF CLASS OF SECURITIES:
Common Stock, par value $.001 per share
(e) CUSIP NUMBER:
74294710
Page 13 of 19 Pages
<PAGE> 14
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), OR
13d-2(b), CHECK WHETHER THE PERSON FILING IS A:
Not applicable
ITEM 4. OWNERSHIP
The information regarding ownership as set forth in Items 5-9 of
Pages 2-12 hereto, is hereby incorporated by reference.
For a summary of total ownership by all Reporting Persons, see
Exhibit 2 hereto.
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
Not applicable.
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH
ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING
COMPANY
Not applicable.
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP
Not applicable.
ITEM 9. NOTICE OF DISSOLUTION OF GROUP
Not applicable.
ITEM 10. CERTIFICATION
Not applicable.
Page 14 of 19 Pages
<PAGE> 15
SIGNATURES
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 17, 1998
MAYFIELD VI INVESTMENT PARTNERS
A California Limited Partnership
By: /s/ George A. Pavlov
----------------------------------------
George A. Pavlov, Authorized Signatory
MAYFIELD VI MANAGEMENT PARTNERS
A California Limited Partnership
By: /s/ George A. Pavlov
----------------------------------------
George A. Pavlov, Authorized Signatory
MAYFIELD ASSOCIATES FUND
A California Limited Partnership
By: /s/ George A. Pavlov
----------------------------------------
George A. Pavlov, Authorized Signatory
MAYFIELD SOFTWARE TECHNOLOGY PARTNERS
A California Partnership
By: /s/ George A. Pavlov
----------------------------------------
George A. Pavlov, Authorized Signatory
YOGEN K. DALAL
By: /s/ George A. Pavlov
----------------------------------------
George A. Pavlov, Attorney In Fact
F. GIBSON MYERS, JR.
By: /s/ George A. Pavlov
----------------------------------------
George A. Pavlov, Attorney In Fact
KEVIN A. FONG
By: /s/ George A. Pavlov
----------------------------------------
George A. Pavlov, Attorney In Fact
Page 15 of 19 Pages
<PAGE> 16
WILLIAM D. UNGER
By: /s/ George A. Pavlov
----------------------------------------
George A. Pavlov, Attorney In Fact
WENDELL G. VAN AUKEN
By: /s/ George A. Pavlov
----------------------------------------
George A. Pavlov, Attorney In Fact
MICHAEL J. LEVINTHAL
By: /s/ George A. Pavlov
----------------------------------------
George A. Pavlov, Attorney In Fact
A. GRANT HEIDRICH, III
By: /s/ George A. Pavlov
----------------------------------------
George A. Pavlov, Attorney In Fact
Page 16 of 19 Pages
<PAGE> 17
EXHIBIT 1
Exhibit 1- "Statement Appointing Designated Filer and Authorized
Signatory" is hereby incorporated by reference to Exhibit B to the
Statement on Schedule 13G dated February 10, 1997.
Page 17 of 19 Pages
<PAGE> 18
EXHIBIT 2
<TABLE>
<CAPTION>
PERCENT OF CLASS
BENEFICIALLY
NAME OF REPORTING PERSON NUMBER OF SHARES OWNED(1)
- ----------------------------- ------------------- -----------------
<S> <C> <C>
Mayfield VI Investment Partners,
a California Limited 1,835,796(2) 12.4%
Partnership
Mayfield VI Management
Partners, a California
Limited Partnership 1,835,796(2) 12.4%
Mayfield Associates Fund, a
California Limited 81,930(3) 0.6%
Partnership
Mayfield Software 130,558(4) 0.9%
Technology Partners, a
California Limited
Partnership
Yogen K. Dalal 2,049,105(5) 13.9%
F. Gibson Myers 2,049,105(5) 13.9%
Kevin A. Fong 2,062,363(5)(6) 14.0%
William D. Unger 2,048,284(5) 13.9%
Wendell G. Van Auken 2,049,105(5) 13.9%
Michael J. Levinthal 2,049,305(5) 13.9%
A. Grant Heidrich, III 2,049,105(5) 13.9%
Total 2,066,918 14.0%
</TABLE>
(1) The respective percentages set forth in this column were obtained by
dividing the number of shares by the aggregate number of outstanding shares of
Common Stock as of 12/31/97.
(2) Represents shares held of record by Mayfield VI Investment Partners, of
which Mayfield VI Management Partners is the sole General Partner.
(3) Represents shares held of record by Mayfield Associates Fund.
(4) Represents shares held of record by Mayfield Software Technology Partners of
which Mayfield VI Investment Partners and Mr. Dalal are its General Partners.
(5) The individual Reporting Persons listed, except for Mr. Dalal, are General
Partners of Mayfield VI Management Partners, which is the General Partner of
Mayfield VI Investment Partners. The individual Reporting Persons, except for
Mr. Fong and Mr. Dalal, are also General Partners of Mayfield Associates Fund.
Mr. Fong and Mr. Dalal are limited partners of Mayfield Associates Fund. The
individual Reporting Persons may be deemed to have shared voting and dispositive
power over the shares which are or may be deemed to be beneficially owned by
Mayfield VI Investment Partners, Mayfield Associates Fund, and Mayfield Software
Technology Partners but disclaim such beneficial ownership. Each individual
Reporting Person expressly disclaims that he is the beneficial owner of any
shares which are held by any other individual Reporting Person in his individual
capacity.
Page 18 of 19 Pages
<PAGE> 19
(6) Includes options to purchase 9,576 shares, which are exercisable by March 1,
1998. Excludes options to purchase 10,924 shares, of which options to purchase
416 shares become exercisable monthly, and options to purchase 10,000 shares,
of which options to purchase 2,500 shares become exercisable on May 27, 1998
and options to purchase 208 shares become exercisable monthly thereafter.
Page 19 of 19 Pages
