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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )*
CN Biosciences, Inc.
(Name of Issuer)
Common Stock, par value $.01 per share
(Title of Class of Securities)
125946103
(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 the
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).
Page 1 of 9 Pages
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CUSIP NO. 125946103 13G Page 2 of 9 Pages
- ------------------------------ ------ ------------------
- ---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Warburg, Pincus Investors, 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
- ---------- ----- --------------------------------------------------------------
5 SOLE VOTING POWER
-0-
----- ---------------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 2,248,485
OWNED BY
EACH ------ ---------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH -0-
----- ----------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,248,485
- ---------- ---------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,248,485
- ---------- ---------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES* [ ]
- ---------- ---------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
43.6%
- ---------- ---------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ---------- ---------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 125946103 13G Page 3 of 9 Pages
- ------------------------------ ------ ------------------
- ---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
E.M. Warburg, Pincus & Co., LLC
- ---------- --------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a)
(b) [X]
- ---------- --------------------------------------------------------------------
3 SEC USE ONLY
- ---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
New York
- ---------- ----- --------------------------------------------------------------
5 SOLE VOTING POWER
-0-
----- ---------------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 2,248,485
OWNED BY
EACH ------ ---------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH -0-
----- ----------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,248,485
- ---------- ---------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,248,485
- ---------- ---------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES* [ ]
- ---------- ---------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
43.6%
- ---------- ---------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
00
- ---------- ---------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
CUSIP NO. 125946103 13G Page 4 of 9 Pages
- ------------------------------ ------ ------------------
- ---------- ---------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Warburg, Pincus & Co.
- ---------- --------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a)
(b) [X]
- ---------- --------------------------------------------------------------------
3 SEC USE ONLY
- ---------- ---------------------------------------------------------------------
4 CITIZENSHIP OR PLACE OF ORGANIZATION
New York
- ---------- ----- --------------------------------------------------------------
5 SOLE VOTING POWER
-0-
----- ---------------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 2,248,485
OWNED BY
EACH ------ ---------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH -0-
----- ----------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
2,248,485
- ---------- ---------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
2,248,485
- ---------- ---------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES* [ ]
- ---------- ---------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
43.6%
- ---------- ---------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
PN
- ---------- ---------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
<PAGE>
Item 1(a). Name of Issuer:
CN Biosciences, Inc. (the "Issuer")
Item 1(b). Address of Issuer's Principal Executive Offices:
10394 Pacific Center Court
San Diego, CA 92121
Items 2(a) Name of Person Filing; Address of Principal
and (b). Business Office:
This statement is filed by and on behalf of
(a) Warburg, Pincus Investors, L.P., a Delaware
limited partnership ("Investors"); (b) E.M. Warburg,
Pincus & Co., LLC, a New York limited liability
company ("EMW LLC"); and (c) Warburg, Pincus & Co., a
New York general partnership ("WP"). The sole general
partner of Investors is WP. EMW LLC manages
Investors. The members of EMW LLC are
substantially the same as the partners of WP. Lionel
I. Pincus is the managing partner of WP and the
managing member of EMW LLC and may be deemed to
control both WP and EMW LLC. WP, as the sole
general partner of Investors, has a 20% interest
in the profits of Investors. The business address of
each of the foregoing is 466 Lexington Avenue, New
York, New York 10017.
Investors, EMW LLC and WP are collectively referred to
herein as the "Reporting Entities."
Item 2(c). Citizenship:
Not Applicable
Item 2(d). Title of Class of Securities:
Common Stock, par value $.01 per share (the
"Common Stock")
Item 2(e). CUSIP Number:
125946103
Item 3. Not Applicable
Page 5 of 9 Pages
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Item 4. Ownership:
(a) 2,248,485 shares of Common Stock, as of
December 31, 1996.
(b) 43.6%
(c) (i) -0-
(ii) 2,248,485
(iii) -0-
(iv) 2,248,485
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:
Not Applicable
Item 7. Identification and Classification of the
Subsidiary Which Acquired the Security Being
Reported on By the Parent Holding Company:
Not Applicable
Item 8. Identification and Classification of Members of
the Group:
Not Applicable
Item 9. Notice of Dissolution of Group:
Not Applicable
Item 10. Certification:
Not Applicable
Page 6 of 9 Pages
<PAGE>
SIGNATURE
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 12, 1997
WARBURG, PINCUS INVESTORS, L.P.
By: Warburg, Pincus & Co.,
its General Partner
By: /s/ Stephen Distler
Stephen Distler, Partner
WARBURG, PINCUS & CO.
By: /s/ Stephen Distler
Stephen Distler, Partner
E.M. WARBURG, PINCUS & CO., LLC
By: /s/ Stephen Distler
Stephen Distler, Member
Page 7 of 9 Pages
<PAGE>
EXHIBIT INDEX
Exhibit No. Description Page
99 Joint Filing Agreement, dated 9
February 12, 1997, among the signatories to
this Schedule 13G.
Page 8 of 9 Pages
<PAGE>
JOINT FILING AGREEMENT PURSUANT TO RULE 13d-1(f)(1)
The undersigned acknowledge and agree that the foregoing
statement on Schedule 13G is filed on behalf of each of the undersigned and that
all subsequent amendments to this statement on Schedule 13G shall be filed on
behalf of each of the undersigned without the necessity of filing additional
joint filing agreements. The undersigned acknowledge that each shall be
responsible for the timely filing of such amendments, and for the completeness
and accuracy of the information concerning it contained therein, but shall not
be responsible for the completeness and accuracy of the information concerning
the others, except to the extent it knows or has reason to believe that such
information is inaccurate. This Joint Filing Agreement may be executed in any
number of counterparts and all of such counterparts taken together shall
constitute one and the same instrument.
Dated: February 12, 1997
WARBURG, PINCUS INVESTORS, L.P.
By: Warburg, Pincus & Co.,
its General Partner
By: /s/ Stephen Distler
Stephen Distler, Partner
WARBURG, PINCUS & CO.
By: /s/ Stephen Distler
Stephen Distler, Partner
E.M. WARBURG, PINCUS & CO., LLC
By: /s/ Stephen Distler
Stephen Distler, Member
Page 9 of 9 Pages
