SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Schedule 13G
(Rule 13d-102)
INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)*
Aviron
- --------------------------------------------------------------------------------
(Name of Issuer)
Common Stock
- --------------------------------------------------------------------------------
(Title of Class of Securities)
053762100
- --------------------------------------------------------------------------------
(CUSIP Number)
*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 on 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 17 Pages
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<TABLE>
<CAPTION>
<S> <C> <C>
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CUSIP NO. 053762100 13 G Page 2 of 17
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1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Accel IV L.P.
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 0 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
See response to row 5.
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
- ----------------------------------- -------- -----------------------------------------------------------------------
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*
PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
* SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
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CUSIP NO. 053762100 13 G Page 3 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Accel Japan L.P.
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 0 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
See response to row 5.
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
- ----------------------------------- -------- -----------------------------------------------------------------------
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*
PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
*SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
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CUSIP NO. 053762100 13 G Page 4 of 17
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- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Accel Keiretsu L.P.
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 16,800 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
See response to row 5.
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
16,800 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
- ----------------------------------- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 16,800
- ----------- --------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.1%
- ----------- --------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
*SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
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CUSIP NO. 053762100 13 G Page 5 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Accel Investors '93 L.P.
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 0 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
See response to row 5.
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
- ----------------------------------- -------- -----------------------------------------------------------------------
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*
PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
*SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
- -------------------------------------------------------- ---------------------------------------
CUSIP NO. 053762100 13 G Page 6 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Accel IV Associates L.P.
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 0 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
See response to row 5.
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
- ----------------------------------- -------- -----------------------------------------------------------------------
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*
PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
* SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
- -------------------------------------------------------- ---------------------------------------
CUSIP NO. 053762100 13 G Page 7 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Ellmore C. Patterson Partners
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 10,532 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
See response to row 5.
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
10,532 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
See response to row 7.
- ----------------------------------- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 10,532
- ----------- --------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.06%
- ----------- --------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
* SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
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CUSIP NO. 053762100 13 G Page 8 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Swartz Family Partnership
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF SHARES 5 SOLE VOTING POWER
BENEFICIALLY 3,398 shares
OWNED BY EACH REPORTING PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
16,800 shares
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
3,398 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
16,800 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 19,398
- ----------- --------------------------------------------------------------------------------------------------------
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%
- ----------- --------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
* SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
- -------------------------------------------------------- ---------------------------------------
CUSIP NO. 053762100 13 G Page 9 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
James W. Breyer
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 0 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
16,800 shares
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
16,800 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 16,800
- ----------- --------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.1%
- ----------- --------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
* SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
- -------------------------------------------------------- ---------------------------------------
CUSIP NO. 053762100 13 G Page 10 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Luke B. Evnin
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 0 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
16,800 shares
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
16,800 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 16,800
- ----------- --------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.1%
- ----------- --------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
* SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
- -------------------------------------------------------- ---------------------------------------
CUSIP NO. 053762100 13 G Page 11 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Eugene D. Hill, 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
U.S. Citizen
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 0 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
16,800 shares
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
0 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
16,800 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 16,800
- ----------- --------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.1%
- ----------- --------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
* SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
- -------------------------------------------------------- ---------------------------------------
CUSIP NO. 053762100 13 G Page 12 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Paul H. Klingenstein
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 16,729 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
0 shares
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
16,729 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
0 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 16,729
- ----------- --------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.1%
- ----------- --------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
* SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
- -------------------------------------------------------- ---------------------------------------
CUSIP NO. 053762100 13 G Page 13 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Arthur Patterson
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 24,805 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
16,800 shares
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
24,805 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
16,800 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 41,605
- ----------- --------------------------------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES* [ ]
- ----------- --------------------------------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.25%
- ----------- --------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
* SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
- -------------------------------------------------------- ---------------------------------------
CUSIP NO. 053762100 13 G Page 14 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
G. Carter Sednaoui
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 3,473 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
16,800 shares
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
3,473 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
16,800 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 20,273
- ----------- --------------------------------------------------------------------------------------------------------
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%
- ----------- --------------------------------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
* SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C>
- -------------------------------------------------------- ---------------------------------------
CUSIP NO. 053762100 13 G Page 15 of 17
- -------------------------------------------------------- ---------------------------------------
- ----------- --------------------------------------------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
James R. Swartz
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES 10,916 shares
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON
WITH
-------- -----------------------------------------------------------------------
6 SHARED VOTING POWER
16,800 shares
-------- -----------------------------------------------------------------------
7 SOLE DISPOSITIVE POWER
10,916 shares
-------- -----------------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
16,800 shares
- ----------------------------------- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH
REPORTING PERSON 27,716
- ----------- --------------------------------------------------------------------------------------------------------
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
- ----------- --------------------------------------------------------------------------------------------------------
<FN>
* SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
<PAGE>
Page 16 of 17
ITEM 3. This statement amends the Statement on Schedule 13G filed by
Accel Japan L.P., Accel Keiretsu L.P., Accel Investors '93
L.P., Accel IV Associates L.P., Ellmore C. Patterson Partners,
Swartz Family Partnership L.P., James W. Breyer, Luke B.
Evnin, Eugene D. Hill, III, Paul H. Klingenstein, Arthur
Patterson, G. Carter Sednaoui, and James Swartz (collectively
referred to as the "Reporting Persons"). Only those Items as
to which there has been a change of information are included
in this Amendment.
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, 1997:
(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 17
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: [X]
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: February 13, 1998
Entities:
Accel IV L.P.
Accel Keiretsu L.P.
Accel Investors '93 L.P.
Accel IV Associates L.P.
Ellmore C. Patterson Partners
Swartz Family Partnership L.P. By: /s/ G. Carter Sednaoui
----------------------------
G. Carter Sednaoui,
Attorney-in-fact
for above-listed entities
Individuals:
James W. Breyer
Luke B. Evnin
Eugene D. Hill, III
Paul H. Klingenstein
Arthur C. Patterson
G. Carter Sednaoui
James R. Swartz By: /s/ G. Carter Sednaoui
----------------------------
G. Carter Sednaoui,
Individually and as
Attorney-in-fact for
above-listed individuals
