UNITED STATES
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), (c)
AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b)
(Amendment No. ___)*
CacheFlow, Inc.
------------------------
(Name of Issuer)
Common Stock
------------------------------
(Title of Class of Securities)
126946102
--------------
(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).
(Continued on following pages)
Page 1 of 23 Pages
<PAGE>
CUSIP NO. 126946102 PAGE 2 OF 23 PAGES
- ------------------- ------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
U.S. Venture Partners V, L.P. ("USVP V")
Tax ID Number: 94-3247775
-----------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [X]
-----------------------------------------------------------------------------
3 SEC USE ONLY
-----------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
2,822,888 shares, except that Presidio Management Group V,
L.L.C. ("PMG V"), the general partner of USVP V, may be
deemed to have sole voting power with respect to such
shares, and Federman, Friend, Green, Krausz, Lanza,
Phillips, Root and Young, the managing members of PMG V, may
be deemed to have shared voting power with respect to such
shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY See Response to row 5.
EACH ------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 2,822,888 shares, except that Presidio Management Group V,
L.L.C. ("PMG V"), the general partner of USVP V, may be
deemed to have sole dipositive power with respect to such
shares, and Federman, Friend, Green, Krausz, Lanza,
Phillips, Root and Young, the managing members of PMG V, may
be deemed to have shared dispositive power with respect to
such shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See Response to row 7.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,822,888
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
7.9%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 3 OF 23 PAGES
- ------------------- ------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
USVP V International, L.P. ("V Int'l")
Tax ID Number: 94-3250265
-----------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [X]
-----------------------------------------------------------------------------
3 SEC USE ONLY
-----------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
156,828 shares, except that Presidio Management Group V,
L.L.C. ("PMG V"), the general partner of V Int'l, may be
deemed to have sole voting power with respect to such
shares, and Federman, Friend, Green, Krausz, Lanza,
Phillips, Root and Young, the managing members of PMG V, may
be deemed to have shared voting power with respect to such
shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY See Response to row 5.
EACH ------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 156,828 shares, except that Presidio Management Group V,
L.L.C. ("PMG V"), the general partner of V Int'l, may be
deemed to have sole dipositive power with respect to such
shares, and Federman, Friend, Green, Krausz, Lanza,
Phillips, Root and Young, the managing members of PMG V, may
be deemed to have shared dispositive power with respect to
such shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See Response to row 7.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
156,828
----------------------------------------------------------------------------
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*
PN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 4 OF 23 PAGES
- ------------------- ------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
USVP V Entrepreneur Partners, L.P. ("EP V")
Tax ID Number: 94-3261653
-----------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [X]
-----------------------------------------------------------------------------
3 SEC USE ONLY
-----------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
69,006 shares, except that Presidio Management Group V,
L.L.C. ("PMG V"), the general partner of EP V, may be
deemed to have sole voting power with respect to such
shares, and Federman, Friend, Green, Krausz, Lanza,
Phillips, Root and Young, the managing members of PMG V, may
be deemed to have shared voting power with respect to such
shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY See Response to row 5.
EACH ------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 69,006 shares, except that Presidio Management Group V,
L.L.C. ("PMG V"), the general partner of EP V, may be
deemed to have sole dipositive power with respect to such
shares, and Federman, Friend, Green, Krausz, Lanza,
Phillips, Root and Young, the managing members of PMG V, may
be deemed to have shared dispositive power with respect to
such shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See Response to row 7.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
69,006
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.2%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 5 OF 23 PAGES
- ------------------- ------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
2180 Associates Fund V, L.P. ("2180 V")
Tax ID Number: 94-3249822
-----------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [X]
-----------------------------------------------------------------------------
3 SEC USE ONLY
-----------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
87,824 shares, except that Presidio Management Group V,
L.L.C. ("PMG V"), the general partner of 2180 V, may be
deemed to have sole voting power with respect to such
shares, and Federman, Friend, Green, Krausz, Lanza,
Phillips, Root and Young, the managing members of PMG V, may
be deemed to have shared voting power with respect to such
shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY See Response to row 5.
EACH ------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 87,824 shares, except that Presidio Management Group V,
L.L.C. ("PMG V"), the general partner of 2180 V, may be
deemed to have sole dispositive power with respect to such
shares, and Federman, Friend, Green, Krausz, Lanza,
Phillips, Root and Young, the managing members of PMG V, may
be deemed to have shared dispositive power with respect to
such shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See Response to row 7.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
87,824
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.2%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 6 OF 23 PAGES
- ------------------- ------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
Presidio Management Group V, L.L.C ("PMG V")
Tax ID Number: 94-3247774
-----------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [X]
-----------------------------------------------------------------------------
3 SEC USE ONLY
-----------------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
3,136,546 shares, of which 2,822,888 are shares directly
owned by USVP V, 156,828 are shares directly owned by V
Int'l, 69,006 are shares directly owned by EP V and 87,824
shares directly owned by 2180 V. PMG V is the general
partner of USVP V, V Int'l, EP V and 2180 V and may be
deemed to have sole voting power with respect to such
shares, and Federman, Friend, Green, Krausz, Lanza,
Phillips, Root and Young, the managing members of PMG V, may
be deemed to have shared voting power with respect to such
shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY See Response to row 5.
EACH ------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 3,136,546 shares, of which 2,822,888 are shares directly
owned by USVP V, 156,828 are shares directly owned by V
Int'l, 69,006 are shares directly owned by EP V and 87,824
shares directly owned by 2180 V. PMG V is the general
partner of USVP V, V Int'l, EP V and 2180 V and may be
deemed to have sole voting power with respect to such
shares, and Federman, Friend, Green, Krausz, Lanza,
Phillips, Root and Young, the managing members of PMG V, may
be deemed to have shared managing members with respect to
such shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See Response to row 7.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,136,546
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
8.7%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
00
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 7 OF 23 PAGES
- ------------------- ------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
Irwin Federman ("Federman")
Tax ID 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. Citizen
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 3,136,546 shares, of which 2,822,888 are shares directly
EACH owned by USVP V, 156,828 are shares directly owned by V
REPORTING Int'l, 69,006 are shares directly owned by EP V and 87,824
PERSON are shares directly owned by 2180 V. Federman is a managing
WITH member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared voting power
with respect to such shares.
------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
3,136,546 shares, of which 2,822,888 are shares directly
owned by USVP V, 156,828 are shares directly owned by V
Int'l, 69,006 are shares directly owned by EP V and 87,824
are shares directly owned by 2180 V. Federman is a managing
member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared dispositive
power with respect to such shares.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,136,546
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
8.7%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 8 OF 23 PAGES
- ------------------- ------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
Marc A. Friend ("Friend")
Tax ID 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. Citizen
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 3,136,546 shares, of which 2,822,888 are shares directly
EACH owned by USVP V, 156,828 are shares directly owned by V
REPORTING Int'l, 69,006 are shares directly owned by EP V and 87,824
PERSON are shares directly owned by 2180 V. Friend is a managing
WITH member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared voting power
with respect to such shares.
------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
3,136,546 shares, of which 2,822,888 are shares directly
owned by USVP V, 156,828 are shares directly owned by V
Int'l, 69,006 are shares directly owned by EP V and 87,824
are shares directly owned by 2180 V. Friend is a managing
member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared dispositive
power with respect to such shares.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,136,546
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
8.7%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 9 OF 23 PAGES
- ------------------- ------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
Jason E. Green ("Green")
Tax ID 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. Citizen
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 3,136,546 shares, of which 2,822,888 are shares directly
EACH owned by USVP V, 156,828 are shares directly owned by V
REPORTING Int'l, 69,006 are shares directly owned by EP V and 87,824
PERSON are shares directly owned by 2180 V. Green is a managing
WITH member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared voting power
with respect to such shares.
------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
3,136,546 shares, of which 2,822,888 are shares directly
owned by USVP V, 156,828 are shares directly owned by V
Int'l, 69,006 are shares directly owned by EP V and 87,824
are shares directly owned by 2180 V. Green is a managing
member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared dispositive
power with respect to such shares.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,136,546
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
8.7%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 10 OF 23 PAGES
- ------------------- -------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
Steven M. Krausz ("Krausz")
Tax ID 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. Citizen
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 3,136,546 shares, of which 2,822,888 are shares directly
EACH owned by USVP V, 156,828 are shares directly owned by V
REPORTING Int'l, 69,006 are shares directly owned by EP V and 87,824
PERSON are shares directly owned by 2180 V. Krausz is a managing
WITH member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared voting power
with respect to such shares.
------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
3,136,546 shares, of which 2,822,888 are shares directly
owned by USVP V, 156,828 are shares directly owned by V
Int'l, 69,006 are shares directly owned by EP V and 87,824
are shares directly owned by 2180 V. Krausz is a managing
member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared dispositive
power with respect to such shares.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,136,546
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
8.7%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 11 OF 23 PAGES
- ------------------- -------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
Lucio Lanza ("Lanza")
Tax ID 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. Citizen
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 3,136,546 shares, of which 2,822,888 are shares directly
EACH owned by USVP V, 156,828 are shares directly owned by V
REPORTING Int'l, 69,006 are shares directly owned by EP V and 87,824
PERSON are shares directly owned by 2180 V. Lanza is a managing
WITH member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared voting power
with respect to such shares.
------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
3,136,546 shares, of which 2,822,888 are shares directly
owned by USVP V, 156,828 are shares directly owned by V
Int'l, 69,006 are shares directly owned by EP V and 87,824
are shares directly owned by 2180 V. Lanza is a managing
member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared dispositive
power with respect to such shares.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,136,546
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
8.7%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 12 OF 23 PAGES
- ------------------- -------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
Stuart G. Phillips ("Phillips")
Tax ID 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. Citizen
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
170,000 shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 3,136,546 shares, of which 2,822,888 are shares directly
EACH owned by USVP V, 156,828 are shares directly owned by V
REPORTING Int'l, 69,006 are shares directly owned by EP V and 87,824
PERSON are shares directly owned by 2180 V. Phillips is a managing
WITH member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared voting power
with respect to such shares.
------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
170,000 shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
3,136,546 shares, of which 2,822,888 are shares directly
owned by USVP V, 156,828 are shares directly owned by V
Int'l, 69,006 are shares directly owned by EP V and 87,824
are shares directly owned by 2180 V. Phillips is a managing
member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared dispositive
power with respect to such shares.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,306,546
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
9.2%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 13 OF 23 PAGES
- ------------------- -------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
Jonathan D. Root ("Root")
Tax ID 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. Citizen
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 3,136,546 shares, of which 2,822,888 are shares directly
EACH owned by USVP V, 156,828 are shares directly owned by V
REPORTING Int'l, 69,006 are shares directly owned by EP V and 87,824
PERSON are shares directly owned by 2180 V. Root is a managing
WITH member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared voting power
with respect to such shares.
------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
3,136,546 shares, of which 2,822,888 are shares directly
owned by USVP V, 156,828 are shares directly owned by V
Int'l, 69,006 are shares directly owned by EP V and 87,824
are shares directly owned by 2180 V. Root is a managing
member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared dispositive
power with respect to such shares.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,136,546
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
8.7%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
CUSIP NO. 126946102 PAGE 14 OF 23 PAGES
- ------------------- -------------------
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
Philip M. Young ("Young")
Tax ID 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. Citizen
-----------------------------------------------------------------------------
5 SOLE VOTING POWER
0 shares.
NUMBER OF ------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 3,136,546 shares, of which 2,822,888 are shares directly
EACH owned by USVP V, 156,828 are shares directly owned by V
REPORTING Int'l, 69,006 are shares directly owned by EP V and 87,824
PERSON are shares directly owned by 2180 V. Young is a managing
WITH member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared voting power
with respect to such shares.
------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares.
------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
3,136,546 shares, of which 2,822,888 are shares directly
owned by USVP V, 156,828 are shares directly owned by V
Int'l, 69,006 are shares directly owned by EP V and 87,824
are shares directly owned by 2180 V. Young is a managing
member of PMG V, the general partner of USVP V, V Int'l, EP
V and 2180 V, and may be deemed to have shared dispositive
power with respect to such shares.
------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,136,546
----------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ]
-----------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
8.7%
-----------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
-----------------------------------------------------------------------------
*See Instructions Before Filling Out!
<PAGE>
Page 15 of 23 Pages
ITEM 1(a). NAME OF ISSUER:
CacheFlow, Inc.
ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
650 Almanor Avenue
Sunnyvale, CA 94086
ITEM 2(a). NAME OF PERSON FILING:
This statement is filed by U.S. Venture Partners V, L.P. ("USVP V"),
USVP V International, L.P. ("V Int'l"), USVP V Entrepreneur Partners,
L.P. ("EP V"), 2180 Associates Fund V, L.P. ("2180 V"), Presidio
Management Group V, L.L.C. ("PMG V"), Irwin Federman ("Federman"),
Marc A. Friend ("Friend"), Jason E. Green ("Green"), Steven M. Krausz
("Krausz"), Lucio Lanza ("Lanza"), Stuart G. Phillips ("Phillips"),
Jonathan D. Root ("Root") and Philip M. Young ("Young"). The
foregoing entities and individuals are collectively referred to as
the "Reporting Persons".
PMG V is the general partner of USVP V, V Int'l, EP V and 2180 V, and
may be deemed to have sole power to vote and sole power to dispose of
shares of the issuer directly owned by USVP V, V Int'l, EP V and 2180
V. Federman, Friend, Green, Krausz, Lanza, Phillips, Root and Young
are the managing members of PMG V, and may be deemed to have shared
power to vote and shared power to dispose of the shares of issuer
directly owned by USVP V, V Int'l, EP V and 2180 V.
ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE, OR, IF NONE, RESIDENCE:
The address of the principal business office for each of the
Reporting Persons is:
U.S. Venture Partners
2180 Sand Hill Road, Suite 300
Menlo Park, CA 94025
ITEM 2(c) CITIZENSHIP:
USVP V, EP V, and 2180 V are Delaware Limited Partnerships, V Int'l
is a Cayman Islands Limited Partnership, PMG V is a Delaware Limited
Liability Company, and Federman, Friend, Green, Krausz, Lanza,
Phillips, Root and Young are United States citizens.
ITEM 2(d). TITLE OF CLASS OF SECURITIES:
Common Stock
<PAGE>
Page 16 of 23 Pages
ITEM 2(e). CUSIP NUMBER:
CUSIP # : 126946102
ITEM 3. Not Applicable
ITEM 4. OWNERSHIP:
The following information with respect to the ownership of the Common
Stock of the issuer by the persons filing this Statement is provided
as of December 31, December 31, 1999:
(a) Amount beneficially owned:
See Row 9 of cover page for each Reporting Person.
(b) Percent of Class:
See Row 11 of cover page for each Reporting Person.
(c) Number of shares as to which such person has:
(i) Sole power to vote or to direct the vote:
See Row 5 of cover page for each Reporting Person.
(ii) Shared power to vote or to direct the vote:
See Row 6 of cover page for each Reporting Person.
(iii) Sole power to dispose or to direct the disposition
of:
See Row 7 of cover page for each Reporting Person.
(iv) Shared power to dispose or to direct the
disposition of:
See Row 8 of cover page for each Reporting Person.
<PAGE>
Page 17 of 23
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 and
limited liability company agreements of USVP V, V Int'l, EP V, 2180 V
and PMG V, the general partners, limited partners and managing
members of each of such entities, as applicable, may be deemed to
have the right to receive dividends from, or the proceeds from, the
sale of shares of the issuer owned by each such entity of which they
are a partner or managing member.
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 18 of 23 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.
Dated: January 31, 2000
U.S. Venture Partners V, L.P.
By Presidio Management Group V, L.L.C. ----------------------------------------
Its General Partner Signature
Michael Maher
Chief Financial Officer/Attorney-In-Fact
USVP V International, L.P.
By Presidio Management Group V, L.L.C. ----------------------------------------
Its General Partner Signature
Michael Maher
Chief Financial Officer/Attorney-In-Fact
USVP V Entrepreneur Partners, L.P.
By Presidio Management Group V, L.L.C. ----------------------------------------
Its General Partner Signature
Michael Maher
Chief Financial Officer/Attorney-In-Fact
2180 Associates Fund V, L.P.
By Presidio Management Group V, L.L.C. ----------------------------------------
Its General Partner Signature
Michael Maher
Chief Financial Officer/Attorney-In-Fact
By Presidio Management Group V, L.L.C.
A Delaware Limited Liability Company ----------------------------------------
Signature
Michael Maher
Chief Financial Officer/Attorney-In-Fact
Irwin Federman
----------------------------------------
Michael Maher
Attorney-In-Fact
<PAGE>
Page 19 of 23
Marc A. Friend
----------------------------------------
Michael Maher
Attorney-In-Fact
Jason E. Green
----------------------------------------
Michael Maher
Attorney-In-Fact
Steven M. Krausz
----------------------------------------
Michael Maher
Attorney-In-Fact
Lucio Lanza
----------------------------------------
Michael Maher
Attorney-In-Fact
Stuart G. Phillips
----------------------------------------
Michael Maher
Attorney-In-Fact
Jonathan D. Root
----------------------------------------
Michael Maher
Attorney-In-Fact
Philip M. Young
----------------------------------------
Michael Maher
Attorney-In-Fact
<PAGE>
Page 20 of 23 Pages
EXHIBIT INDEX
Found on
Sequentially
Exhibit Numbered Pages
- ------- --------------
Exhibit A: Agreement of Joint Filing 21
Exhibit B: Reference to Michael P. Maher as Attorney-In-Fact 23
<PAGE>
Page 21 of 23 Pages
EXHIBIT A
Agreement of Joint Filing
The undersigned hereby agree that a single Schedule 13G (or any amendment
thereto) relating to the Common Stock of CacheFlow, Inc. shall be filed on
behalf of each of the undersigned and that this Agreement shall be filed as an
exhibit to such Schedule 13G.
Dated: January 31, 2000
U.S. Venture Partners V, L.P.
By Presidio Management Group V, L.L.C. ----------------------------------------
Its General Partner Signature
Michael Maher
Chief Financial Officer/Attorney-In-Fact
USVP V International, L.P.
By Presidio Management Group V, L.L.C. ----------------------------------------
Its General Partner Signature
Michael Maher
Chief Financial Officer/Attorney-In-Fact
USVP V Entrepreneur Partners , L.P.
By Presidio Management Group V, L.L.C. ----------------------------------------
Its General Partner Signature
Michael Maher
Chief Financial Officer/Attorney-In-Fact
2180 Associates Fund V, L.P.
By Presidio Management Group V, L.L.C. ----------------------------------------
Its General Partner Signature
Michael Maher
Chief Financial Officer/Attorney-In-Fact
By Presidio Management Group V, L.L.C.
A Delaware Limited Liability Company ----------------------------------------
Signature
Michael Maher
Chief Financial Officer/Attorney-In-Fact
<PAGE>
Page 22 of 23 Pages
Irwin Federman
----------------------------------------
Michael Maher
Attorney-In-Fact
Marc A. Friend
----------------------------------------
Michael Maher
Attorney-In-Fact
Jason E. Green
----------------------------------------
Michael Maher
Attorney-In-Fact
Steven M. Krausz
----------------------------------------
Michael Maher
Attorney-In-Fact
Lucio Lanza
----------------------------------------
Michael Maher
Attorney-In-Fact
Stuart G. Phillips
----------------------------------------
Michael Maher
Attorney-In-Fact
Jonathan D. Root
----------------------------------------
Michael Maher
Attorney-In-Fact
Philip M. Young
----------------------------------------
Michael Maher
Attorney-In-Fact
<PAGE>
Page 23 of 23 Pages
EXHIBIT B
REFERENCE TO MICHAEL MAHER AS ATTORNEY-IN-FACT
Michael P. Maher has signed the enclosed documents as Attorney-In-Fact.
Note that copies of the applicable Power of Attorneys are already on file with
the appropriate agencies.
