SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
Advanced Technology Materials, Inc.
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(Name of Issuer)
Common Stock
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(Title of Class of Securities)
00754X 10 5
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(CUSIP Number)
Check the following box if a fee is being paid with this statement. [ ] (A fee
is not required if the filing person: (1) has a previous statement on file
reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7).
*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 13 Pages
Exhibit Index Contained on Page 11
<PAGE>
- --------------------------- ---------------------------
CUSIP No. 00754X 10 5 13G Page 2 of 13 Pages
- --------------------------- ---------------------------
- -------- -----------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Sierra Ventures III, a California
Limited Partnership ("Sierra III") 94-3054838
- -------- -----------------------------------------------------------------------
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
- -------- -----------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES - 0 -
BENEFICIALLY ------- -------------------------------------------------------
OWNED BY EACH 6 SHARED VOTING POWER
REPORTING - 0 -
PERSON ------- -------------------------------------------------------
WITH 7 SOLE DISPOSITIVE POWER
- 0 -
------- -------------------------------------------------------
8 SHARED DISPOSITIVE POWER
- 0 -
- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
- 0 -
- -------- -----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
- -------- -----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0%
- -------- -----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- -------- -----------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
- --------------------------- ---------------------------
CUSIP No. 00754X 10 5 13G Page 3 of 13 Pages
- --------------------------- ---------------------------
- -------- -----------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Sierra Ventures III International, a California
Limited Partnership ("Sierra III International") 94-3062256
- -------- -----------------------------------------------------------------------
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
- -------- -----------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES - 0 -
BENEFICIALLY ------- -------------------------------------------------------
OWNED BY EACH 6 SHARED VOTING POWER
REPORTING - 0 -
PERSON ------- -------------------------------------------------------
WITH 7 SOLE DISPOSITIVE POWER
- 0 -
------- -------------------------------------------------------
8 SHARED DISPOSITIVE POWER
- 0 -
- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
- 0 -
- -------- -----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
- -------- -----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0%
- -------- -----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- -------- -----------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
- --------------------------- ---------------------------
CUSIP No. 00754X 10 5 13G Page 4 of 13 Pages
- --------------------------- ---------------------------
- -------- -----------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
SV Associates III, L.P. ("SV Associates") 94-3056079
- -------- -----------------------------------------------------------------------
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
- -------- -----------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES - 0 -
BENEFICIALLY ------- -------------------------------------------------------
OWNED BY EACH 6 SHARED VOTING POWER
REPORTING - 0 -
PERSON ------- -------------------------------------------------------
WITH 7 SOLE DISPOSITIVE POWER
- 0 -
------- -------------------------------------------------------
8 SHARED DISPOSITIVE POWER
- 0 -
- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
- 0 -
- -------- -----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
- -------- -----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0%
- -------- -----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- -------- -----------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
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CUSIP No. 00754X 10 5 13G Page 5 of 13 Pages
- --------------------------- ---------------------------
- -------- -----------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Peter C. Wendell
- -------- -----------------------------------------------------------------------
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
- -------- -----------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES - 0 -
BENEFICIALLY ------- -------------------------------------------------------
OWNED BY EACH 6 SHARED VOTING POWER
REPORTING - 0 -
PERSON ------- -------------------------------------------------------
WITH 7 SOLE DISPOSITIVE POWER
- 0 -
------- -------------------------------------------------------
8 SHARED DISPOSITIVE POWER
- 0 -
- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
- 0 -
- -------- -----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
- -------- -----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0%
- -------- -----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- -------- -----------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
- --------------------------- ---------------------------
CUSIP No. 00754X 10 5 13G Page 6 of 13 Pages
- --------------------------- ---------------------------
- -------- -----------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Jeffrey M. Drazan
- -------- -----------------------------------------------------------------------
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
- -------- -----------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES - 0 -
BENEFICIALLY ------- -------------------------------------------------------
OWNED BY EACH 6 SHARED VOTING POWER
REPORTING - 0 -
PERSON ------- -------------------------------------------------------
WITH 7 SOLE DISPOSITIVE POWER
- 0 -
------- -------------------------------------------------------
8 SHARED DISPOSITIVE POWER
- 0 -
- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
- 0 -
- -------- -----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
- -------- -----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0%
- -------- -----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- -------- -----------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
- --------------------------- ---------------------------
CUSIP No. 00754X 10 5 13G Page 7 of 13 Pages
- --------------------------- ---------------------------
- -------- -----------------------------------------------------------------------
1 NAME OF REPORTING PERSONS
S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
Petri Vainio
- -------- -----------------------------------------------------------------------
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
- -------- -----------------------------------------------------------------------
NUMBER OF 5 SOLE VOTING POWER
SHARES - 0 -
BENEFICIALLY ------- -------------------------------------------------------
OWNED BY EACH 6 SHARED VOTING POWER
REPORTING - 0 -
PERSON ------- -------------------------------------------------------
WITH 7 SOLE DISPOSITIVE POWER
- 0 -
------- -------------------------------------------------------
8 SHARED DISPOSITIVE POWER
- 0 -
- -------- -----------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
- 0 -
- -------- -----------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
- -------- -----------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0%
- -------- -----------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- -------- -----------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
Page 8 of 13
ITEM 1(A). NAME OF ISSUER
Advanced Technology Materials, Inc.
ITEM 1(B). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES
7 Commerce Drive
Danbury, CT 06810-4169
ITEM 2(A)-(C). NAME, ADDRESS AND CITIZENSHIP OF PERSONS FILING
This amendment is being filed by SV Associates III, L.P., a
California limited partnership ("SV Associates") whose principal business
address is 3000 Sand Hill Road, Building Four, Suite 210, Menlo Park, California
94025. The names, business addresses and citizenships of all the general
partners of SV Associates are set forth on Exhibit B hereto. Peter C. Wendell,
Jeffrey M. Drazan and Petri Vainio are each general partners of SV Associates.
SV Associates is general partner to Sierra Ventures III, a
California Limited Partnership ("Sierra III") and Sierra Ventures III
International, a California Limited Partnership ("Sierra III International").
With respect to SV Associates and the general partners of SV Associates, this
statement relates only to SV Associates' indirect, beneficial ownership of
shares of Common Stock of Advanced Technology Materials, Inc. (the "Shares").
The Shares have been purchased by Sierra III and Sierra III International, and
SV Associates and the general partners of SV Associates do not directly or
otherwise hold any Shares. Management of the business affairs of SV Associates,
including decisions respecting disposition and/or voting of the Shares, resides
in the general partners of SV Associates listed on Exhibit B hereto.
ITEM 2(D) AND (E). TITLE OF CLASS OF SECURITIES AND CUSIP NUMBER
Common Stock
CUSIP # 00754X 10 5
ITEM 3. Not Applicable
ITEM 4. OWNERSHIP
Please see Item 5.
<PAGE>
Page 9 of 13
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
This statement is being filed to report the fact that as of
the date hereof each reporting person has ceased to be the
beneficial owner of more than five percent of the Common Stock
of Advanced Technology Materials, Inc.
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF
ANOTHER PERSON.
Not applicable. Please see Item 5.
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 10 of 13
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, 1997
SV ASSOCIATES III, L.P.
By:________________________________
Martha A. Clarke Adamson
Attorney-in-Fact for the General Partners
PETER C. WENDELL
JEFFREY M. DRAZAN
PETRI VAINIO
By:________________________________
Martha A. Clarke Adamson
Attorney-in-Fact
SIERRA VENTURES III, A CALIFORNIA
LIMITED PARTNERSHIP
By SV Associates III, L.P., its General Partner
By:________________________________
Martha A. Clarke Adamson
Attorney-in-Fact for the General Partners
SIERRA VENTURES III INTERNATIONAL,
A CALIFORNIA LIMITED PARTNERSHIP
By SV Associates III, L.P., its General Partner
By:________________________________
Martha A. Clarke Adamson
Attorney-in-Fact for the General Partners
<PAGE>
Page 11 of 13
EXHIBIT INDEX
Found on
Sequentially
Exhibit Numbered Page
Exhibit A: Agreement of Joint Filing 12
Exhibit B: List of General Partners of SV Associates III, L.P. 13
<PAGE>
Page 12 of 13
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 13, 1997,
containing the information required by Schedule 13G.
Date: February 13, 1997 SV ASSOCIATES III, L.P., A CALIFORNIA
LIMITED PARTNERSHIP
By:________________________________
Martha A. Clarke Adamson
Attorney-in-Fact for the General Partners
PETER C. WENDELL
JEFFREY M. DRAZAN
PETRI VAINIO
By:________________________________
Martha A. Clarke Adamson
Attorney-in-Fact
SIERRA VENTURES III, A CALIFORNIA
LIMITED PARTNERSHIP
By SV Associates III, L.P., a California
limited partnership, its General Partner
By:________________________________
Martha A. Clarke Adamson
Attorney-in-Fact for the General Partners
SIERRA VENTURES III INTERNATIONAL,
A CALIFORNIA LIMITED PARTNERSHIP
By SV Associates III, L.P., a California
limited partnership, its General Partner
By:________________________________
Martha A. Clarke Adamson
Attorney-in-Fact for the General Partners
<PAGE>
Page 13 of 13
EXHIBIT B
General Partners of
SV Associates III, L.P.
Set forth below, with respect to each general partner of SV Associates III,
L.P. is the following: (a) name; (b) business address and (c) citizenship.
1. (a) Peter C. Wendell
(b) c/o Sierra Ventures
3000 Sand Hill Road
Building Four, Suite 210
Menlo Park, CA 94025
(c) United States Citizen
2. (a) Jeffrey M. Drazan
(b) c/o Sierra Ventures
3000 Sand Hill Road
Building Four, Suite 210
Menlo Park, CA 94025
(c) United States Citizen
3. (a) Petri Vainio
(b) c/o Sierra Ventures
3000 Sand Hill Road
Building Four, Suite 210
Menlo Park, CA 94025
(c) United States Citizen
