<PAGE>
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)
CONCENTRIC NETWORK CORP.
- -------------------------------------------------------------------------------
(NAME OF ISSUER)
COMMON STOCK
- -------------------------------------------------------------------------------
(TITLE OF CLASS OF SECURITIES)
00020589R1
- -------------------------------------------------------------------------------
(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 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 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>
CUSIP NO. 00020589R1 13G Page 2 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
KLEINER PERKINS CAUFIELD & BYERS VII, L.P., A CALIFORNIA
LIMITED PARTNERSHIP ("KPCB VII") 94-3201863
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 LIMITED PARTNERSHIP
5 SOLE VOTING POWER
-0-
NUMBER
OF 6 SHARED VOTING POWER
SHARES 844,624
BENEFICIALLY
OWNED BY 7 SOLE DISPOSITIVE POWER
REPORTING -0-
PERSON
WITH 8 SHARED DISPOSITIVE POWER
844,624
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
844,624
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.0%
12 TYPE OF REPORTING PERSON*
PN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 00020589R1 13G Page 3 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
KPCB VII ASSOCIATES, L.P., A CALIFORNIA
LIMITED PARTNERSHIP ("KPCB VII ASSOCIATES") 94-3203783
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 LIMITED PARTNERSHIP
5 SOLE VOTING POWER
NUMBER -0-
OF 6 SHARED VOTING POWER
SHARES 865,014 SHARES OF WHICH 844,624 SHARES ARE
BENEFICIALLY DIRECTLY HELD BY KPCB VII AND 20,390 SHARES
OWNED BY HELD DIRECTLY BY KPCB INFORMATION SCIENCES
REPORTING ZAIBATSU FUND II, L.P., A CALIFORNIA LIMITED
PERSON PARTNERSHIP ("KPCB ZF II"). KPCB VII
WITH ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II.
7 SOLE DISPOSITIVE POWER
-0-
8 SHARED DISPOSITIVE POWER
865,014 SHARES OF WHICH 844,624 SHARES ARE
DIRECTLY HELD BY KPCB VII AND 20,390 SHARES
HELD DIRECTLY BY KPCB ZF II. KPCB VII
ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
865,014
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.1%
12 TYPE OF REPORTING PERSON*
PN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 00020589R1 13G Page 4 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
BROOK BYERS
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
UNITED STATES
5 SOLE VOTING POWER
-0-
NUMBER
OF 6 SHARED VOTING POWER
SHARES 865,014 SHARES OF WHICH 844,624 SHARES ARE
BENEFICIALLY DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
OWNED BY DIRECTLY HELD BY KPCB ZF II. KPCB VII
REPORTING ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
PERSON AND KPCB ZF II. MR. BYERS IS A GENERAL PARTNER
WITH OF KPCB VII ASSOCIATES. MR. BYERS DISCLAIMS
BENEFICIAL OWNERSHIP OF THE SHARES HELD
DIRECTLY BY KPCB VII AND KPCB ZF II.
7 SOLE DISPOSITIVE POWER
-0-
8 SHARED DISPOSITIVE POWER
865,014 SHARES OF WHICH 844,624 SHARES ARE
DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
DIRECTLY HELD BY KPCB ZF II. KPCB VII
ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II. MR. BYERS IS A GENERAL PARTNER
OF KPCB VII ASSOCIATES. MR. BYERS DISCLAIMS
BENEFICIAL OWNERSHIP OF THE SHARES HELD
DIRECTLY BY KPCB VII AND KPCB ZF II.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
865,014
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.1%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 00020589R1 13G Page 5 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
KEVIN COMPTON
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
UNITED STATES
5 SOLE VOTING POWER
NUMBER -0-
OF 6 SHARED VOTING POWER
SHARES 865,014 SHARES OF WHICH 844,624 SHARES ARE
BENEFICIALLY DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
OWNED BY DIRECTLY HELD BY KPCB ZF II. KPCB VII
REPORTING ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
PERSON AND KPCB ZF II. MR. COMPTON IS A GENERAL
WITH PARTNER OF KPCB VII ASSOCIATES. MR. COMPTON
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
7 SOLE DISPOSITIVE POWER
-0-
8 SHARED DISPOSITIVE POWER
865,014 SHARES OF WHICH 844,624 SHARES ARE
DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
DIRECTLY HELD BY KPCB ZF II. KPCB VII
ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II. MR. COMPTON IS A GENERAL
PARTNER OF KPCB VII ASSOCIATES. MR. COMPTON
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
865,014
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.1%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 00020589R1 13G Page 6 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
L. JOHN DOERR
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
UNITED STATES
5 SOLE VOTING POWER
NUMBER -0-
OF 6 SHARED VOTING POWER
SHARES 865,014 SHARES OF WHICH 844,624 SHARES ARE
BENEFICIALLY DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
OWNED BY DIRECTLY HELD BY KPCB ZF II. KPCB VII
REPORTING ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
PERSON AND KPCB ZF II. MR. DOERR IS A GENERAL PARTNER
WITH OF KPCB VII ASSOCIATES. MR. DOERR DISCLAIMS
BENEFICIAL OWNERSHIP OF THE SHARES HELD
DIRECTLY BY KPCB VII AND KPCB ZF II.
7 SOLE DISPOSITIVE POWER
-0-
8 SHARED DISPOSITIVE POWER
865,014 SHARES OF WHICH 844,624 SHARES ARE
DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
DIRECTLY HELD BY KPCB ZF II. KPCB VII
ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II. MR. DOERR IS A GENERAL PARTNER
OF KPCB VII ASSOCIATES. MR. DOERR DISCLAIMS
BENEFICIAL OWNERSHIP OF THE SHARES HELD
DIRECTLY BY KPCB VII AND KPCB ZF II.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
865,014
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.1%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 00020589R1 13G Page 7 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
WILLIAM R. HEARST III
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
UNITED STATES
5 SOLE VOTING POWER
NUMBER -0-
OF 6 SHARED VOTING POWER
SHARES 865,014 SHARES OF WHICH 844,624 SHARES ARE
BENEFICIALLY DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
OWNED BY DIRECTLY HELD BY KPCB ZF II. KPCB VII
REPORTING ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
PERSON AND KPCB ZF II. MR. HEARST IS A GENERAL
WITH PARTNER OF KPCB VII ASSOCIATES. MR. HEARST
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
7 SOLE DISPOSITIVE POWER
-0-
8 SHARED DISPOSITIVE POWER
865,014 SHARES OF WHICH 844,624 SHARES ARE
DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
DIRECTLY HELD BY KPCB ZF II. KPCB VII
ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II. MR. HEARST IS A GENERAL
PARTNER OF KPCB VII ASSOCIATES. MR. HEARST
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
865,014
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.1%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 00020589R1 13G Page 8 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
VINOD KHOSLA
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
UNITED STATES
5 SOLE VOTING POWER
NUMBER -0-
OF 6 SHARED VOTING POWER
SHARES 865,014 SHARES OF WHICH 844,624 SHARES ARE
BENEFICIALLY DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
OWNED BY DIRECTLY HELD BY KPCB ZF II. KPCB VII
REPORTING ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
PERSON AND KPCB ZF II. MR. KHOSLA IS A GENERAL
WITH PARTNER OF KPCB VII ASSOCIATES. MR. KHOSLA
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
7 SOLE DISPOSITIVE POWER
-0-
8 SHARED DISPOSITIVE POWER
865,014 SHARES OF WHICH 844,624 SHARES ARE
DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
DIRECTLY HELD BY KPCB ZF II. KPCB VII
ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II. MR. KHOSLA IS A GENERAL
PARTNER OF KPCB VII ASSOCIATES. MR. KHOSLA
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
865,014
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.1%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 00020589R1 13G Page 9 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
JOSEPH LACOB
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
UNITED STATES
5 SOLE VOTING POWER
NUMBER -0-
OF 6 SHARED VOTING POWER
SHARES 865,014 SHARES OF WHICH 844,624 SHARES ARE
BENEFICIALLY DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
OWNED BY DIRECTLY HELD BY KPCB ZF II. KPCB VII
REPORTING ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
PERSON AND KPCB ZF II. MR. LACOB IS A GENERAL PARTNER
WITH OF KPCB VII ASSOCIATES. MR. LACOB DISCLAIMS
BENEFICIAL OWNERSHIP OF THE SHARES HELD
DIRECTLY BY KPCB VII AND KPCB ZF II.
7 SOLE DISPOSITIVE POWER
-0-
8 SHARED DISPOSITIVE POWER
865,014 SHARES OF WHICH 844,624 SHARES ARE
DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
DIRECTLY HELD BY KPCB ZF II. KPCB VII
ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II. MR. LACOB IS A GENERAL PARTNER
OF KPCB VII ASSOCIATES. MR. LACOB DISCLAIMS
BENEFICIAL OWNERSHIP OF THE SHARES HELD
DIRECTLY BY KPCB VII AND KPCB ZF II.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
865,014
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.1%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 00020589R1 13G Page 10 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
BERNARD LACROUTE
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
UNITED STATES
5 SOLE VOTING POWER
NUMBER -0-
OF 6 SHARED VOTING POWER
SHARES 865,014 SHARES OF WHICH 844,624 SHARES ARE
BENEFICIALLY DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
OWNED BY DIRECTLY HELD BY KPCB ZF II. KPCB VII
REPORTING ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
PERSON AND KPCB ZF II. MR. LACROUTE IS A GENERAL
WITH PARTNER OF KPCB VII ASSOCIATES. MR. LACROUTE
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
7 SOLE DISPOSITIVE POWER
-0-
8 SHARED DISPOSITIVE POWER
865,014 SHARES OF WHICH 844,624 SHARES ARE
DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
DIRECTLY HELD BY KPCB ZF II. KPCB VII
ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II. MR. LACROUTE IS A GENERAL
PARTNER OF KPCB VII ASSOCIATES. MR. LACROUTE
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
865,014
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.1%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 00020589R1 13G Page 11 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
JAMES LALLY
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
UNITED STATES
5 SOLE VOTING POWER
NUMBER -0-
OF 6 SHARED VOTING POWER
SHARES 865,014 SHARES OF WHICH 844,624 SHARES ARE
BENEFICIALLY DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
OWNED BY DIRECTLY HELD BY KPCB ZF II. KPCB VII
REPORTING ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
PERSON AND KPCB ZF II. MR. LALLY IS A GENERAL PARTNER
WITH OF KPCB VII ASSOCIATES. MR. LALLY DISCLAIMS
BENEFICIAL OWNERSHIP OF THE SHARES HELD
DIRECTLY BY KPCB VII AND KPCB ZF II.
7 SOLE DISPOSITIVE POWER
-0-
8 SHARED DISPOSITIVE POWER
865,014 SHARES OF WHICH 844,624 SHARES ARE
DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
DIRECTLY HELD BY KPCB ZF II. KPCB VII
ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II. MR. LALLY IS A GENERAL PARTNER
OF KPCB VII ASSOCIATES. MR. LALLY DISCLAIMS
BENEFICIAL OWNERSHIP OF THE SHARES HELD
DIRECTLY BY KPCB VII AND KPCB ZF II.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
865,014
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.1%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 00020589R1 13G Page 12 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
DOUGLAS MACKENZIE
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
UNITED STATES
5 SOLE VOTING POWER
NUMBER -0-
OF 6 SHARED VOTING POWER
SHARES 865,014 SHARES OF WHICH 844,624 SHARES ARE
BENEFICIALLY DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
OWNED BY DIRECTLY HELD BY KPCB ZF II. KPCB VII
REPORTING ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
PERSON AND KPCB ZF II. MR. MACKENZIE IS A GENERAL
WITH PARTNER OF KPCB VII ASSOCIATES. MR. MACKENZIE
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
7 SOLE DISPOSITIVE POWER
-0-
8 SHARED DISPOSITIVE POWER
865,014 SHARES OF WHICH 844,624 SHARES ARE
DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
DIRECTLY HELD BY KPCB ZF II. KPCB VII
ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II. MR. MACKENZIE IS A GENERAL
PARTNER OF KPCB VII ASSOCIATES. MR. MACKENZIE
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
865,014
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.1%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 00020589R1 13G Page 13 of 20 Pages
1 NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
E. FLOYD KVAMME
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) / / (b) /X/
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
UNITED STATES
5 SOLE VOTING POWER
NUMBER -0-
OF 6 SHARED VOTING POWER
SHARES 865,014 SHARES OF WHICH 844,624 SHARES ARE
BENEFICIALLY DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
OWNED BY DIRECTLY HELD BY KPCB ZF II. KPCB VII
REPORTING ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
PERSON AND KPCB ZF II. MR. KVAMME IS A GENERAL
WITH PARTNER OF KPCB VII ASSOCIATES. MR. KVAMME
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
7 SOLE DISPOSITIVE POWER
-0-
8 SHARED DISPOSITIVE POWER
865,014 SHARES OF WHICH 844,624 SHARES ARE
DIRECTLY HELD BY KPCB VII AND 20,390 SHARES ARE
DIRECTLY HELD BY KPCB ZF II. KPCB VII
ASSOCIATES IS THE GENERAL PARTNER OF KPCB VII
AND KPCB ZF II. MR. KVAMME IS A GENERAL
PARTNER OF KPCB VII ASSOCIATES. MR. KVAMME
DISCLAIMS BENEFICIAL OWNERSHIP OF THE SHARES
HELD DIRECTLY BY KPCB VII AND KPCB ZF II.
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
865,014
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
/ /
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
6.1%
12 TYPE OF REPORTING PERSON*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
Page 14 of 20 Pages
ITEM 1(a) NAME OF ISSUER:
Concentric Network Corp.
ITEM 1(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
10590 North Tantau Avenue
Cupertino, CA 95014
ITEM 2(a)-(c) NAME, ADDRESS AND CITIZENSHIP OF PERSONS FILING:
This statement is being filed by KPCB VII Associates, whose
principal business address is 2750 Sand Hill Road, Menlo
Park, California 94025. The names and business addresses and
citizenships of all the general partners of KPCB VII
Associates are set forth on Exhibit B hereto.
KPCB VII Associates is general partner to KPCB VII and KPCB
ZF II. With respect to KPCB VII Associates, this statement
relates only to KPCB VII Associates' indirect, beneficial
ownership of the shares of Common Stock of Concentric
Network Corp., held directly by KPCB VII and KPCB ZF II
(the "Shares") and, to the extent applicable, to the shares
over which each general partner exercises sole voting and
dispositive control. The Shares are held directly by KPCB
VII and KPCB ZF II, and KPCB VII Associates does not
directly or otherwise hold any Shares. Management of the
business affairs of KPCB VII Associates and KPCB VI
Associates, including decisions respecting disposition
and/or voting of the Shares, is by majority decision of the
general partners of KPCB VII Associates, respectively, each
of whom disclaims beneficial ownership of the Shares.
ITEM 2(d) TITLE OF CLASS OF SECURITIES:
Common Stock
ITEM 2(e) CUSIP NUMBER:
00020589R1
<PAGE>
Page 15 of 20 Pages
ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b) OR
13d-2(b), CHECK WHETHER THE PERSON FILING IS A:
Not Applicable
ITEM 4. OWNERSHIP.
See items 5-11 of cover sheets hereto.
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 limited
partnership agreements of KPCB VII, KPCB VII Associates and
KPCB ZF II, the general and limited partners of such
entities may have the right to receive dividends on, or the
proceeds from the sale of the Shares of Concentric Network
Corp. held by such entity. No such partner's rights relate
to more than five percent of the class.
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>
Page 16 of 20 Pages
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 10, 1998
BROOK H. BYERS KPCB VII ASSOCIATES, L.P., A CALIFORNIA
KEVIN R. COMPTON LIMITED PARTNERSHIP
L. JOHN DOERR
WILLIAM R. HEARST III
VINOD KHOSLA By: /s/ Kevin R. Compton
E. FLOYD KVAMME ------------------------------
JOSEPH S. LACOB A General Partner
BERNARD J. LACROUTE
JAMES P. LALLY KLEINER PERKINS CAUFIELD &
DOUGLAS P. MACKENZIE BYERS VII, L.P., A CALIFORNIA
LIMITED PARTNERSHIP
By: /s/ Michael S. Curry
-------------------------- By KPCB VII Associates, L.P.,
Michael S. Curry a California Limited Partnership,
Attorney-in-Fact its General Partner
By: /s/ Kevin R. Compton
-------------------------------
A General Partner
<PAGE>
Page 17 of 20 Pages
EXHIBIT INDEX
<TABLE>
<CAPTION>
Found on
Sequentially
EXHIBIT Numbered Page
- ------- -------------
<S> <C>
Exhibit A: Agreement of Joint Filing 18
Exhibit B: List of General Partners of KPCB VII Associates 19
</TABLE>
<PAGE>
Page 18 of 20 Pages
EXHIBIT A
AGREEMENT OF JOINT FILING
The undersigned hereby agree that they are filing jointly pursuant to
Rule 13d-1 of the Act the amended statement dated February 10, 1998, containing
the information required by Schedule 13G, for the Shares of Concentric Network
Corp., held by Kleiner Perkins Caufield & Byers VII, L.P., and with respect to
the general partners, such other holdings as may be reported therein.
Date: February 10, 1998
BROOK H. BYERS KLEINER PERKINS CAUFIELD &
KEVIN R. COMPTON BYERS VII, L.P., A CALIFORNIA
L. JOHN DOERR LIMITED PARTNERSHIP
WILLIAM R. HEARST III
VINOD KHOSLA By KPCB VII Associates, L.P., a California
E. FLOYD KVAMME Limited Partnership, its General Partner
JOSEPH S. LACOB
BERNARD J. LACROUTE
JAMES P. LALLY By: /s/ KEVIN R. COMPTON
DOUGLAS P. MACKENZIE ----------------------------------
A General Partner
By: /s/ Michael S. Curry
--------------------------
Michael S. Curry
Attorney-in-Fact
KPCB VII ASSOCIATES, A CALIFORNIA
LIMITED PARTNERSHIP
By: /s/ Kevin R. Compton
--------------------------
A General Partner
<PAGE>
Page 19 of 20 Pages
EXHIBIT B
General Partners of
KPCB VII ASSOCIATES, A CALIFORNIA LIMITED PARTNERSHIP
Set forth below, with respect to each general partner of KPCB VII
Associates, is the following: (a) name; (b) business address; and (c)
citizenship.
1. (a) Brook H. Byers
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
2. (a) Kevin R. Compton
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
3. (a) L. John Doerr
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
4. (a) William R. Hearst III
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
5. (a) Vinod Khosla
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
<PAGE>
Page 20 of 20 Pages
6. (a) E. Floyd Kvamme
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
7. (a) Joseph S. Lacob
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
8. (a) Bernard J. Lacroute
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
9. (a) James P. Lally
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
10. (a) Douglas P. MacKenzie
(b) c/o Kleiner Perkins Caufield & Byers
2750 Sand Hill Road
Menlo Park, CA 94025
(c) United States Citizen
