SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G/A
Rule 13d-102
Under the Securities Exchange Act of 1934
(Amended)
Repligen, Inc.
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(Name of Issuer)
Common Stock, par value $.01 per share
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(Title of Class of Securities)
759916109
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(CUSIP Number)
February 8, 2000
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(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)
|X| Rule 13d-1 (c)
|_| Rule 13d-1 (d)
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* 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).
<PAGE>
CUSIP No. 759916109 13G Page 2 of 10 Pages
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1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Paramount Capital Asset Management, Inc.
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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5 SOLE VOTING POWER
None
--------------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 4,426,950
OWNED BY --------------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON None
WITH --------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
4,426,950
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,426,950
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10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
16.8%
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12 TYPE OF REPORTING PERSON*
CO
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*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE>
CUSIP No. 759916109 13G Page 3 of 10 Pages
- --------------------------------------------------------------------------------
1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Aries Domestic Fund, L.P.
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
- --------------------------------------------------------------------------------
3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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5 SOLE VOTING POWER
None
--------------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 1,213,960
OWNED BY --------------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON
WITH --------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
1,213,960
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,213,960
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10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.2%
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12 TYPE OF REPORTING PERSON*
PN
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*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE>
CUSIP No. 759916109 13G Page 4 of 10 Pages
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1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
The Aries Domestic Fund II, L.P.
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
- --------------------------------------------------------------------------------
3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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5 SOLE VOTING POWER
None
--------------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 123,691
OWNED BY --------------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON None
WITH --------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
123,691
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
123,691
- --------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
0.6%
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12 TYPE OF REPORTING PERSON*
PN
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*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE>
CUSIP No. 759916109 13G Page 5 of 10 Pages
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1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
The Aries Master Fund
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands
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5 SOLE VOTING POWER
None
--------------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 3,089,299
OWNED BY --------------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON None
WITH --------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
3,089,299
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,089,299
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10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
12.4%
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12 TYPE OF REPORTING PERSON*
OO (see Item 2)
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*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE>
CUSIP No. 759916109 13G Page 6 of 10 Pages
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1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Lindsay A. Rosenwald, M.D.
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) |_|
(b) |_|
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
- --------------------------------------------------------------------------------
5 SOLE VOTING POWER
None
--------------------------------------------------------------
NUMBER OF 6 SHARED VOTING POWER
SHARES
BENEFICIALLY 4,426,950
OWNED BY --------------------------------------------------------------
EACH 7 SOLE DISPOSITIVE POWER
REPORTING
PERSON None
WITH --------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
4,426,950
- --------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,426,950
- --------------------------------------------------------------------------------
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
|_|
- --------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
16.8%
- --------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON*
IN
- --------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT
<PAGE>
ITEM 1(a). NAME OF ISSUER:
Repligen Corporation.
ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
117 Fourth Avenue, Needham, MA 02494
ITEM 2(a) NAME OF PERSON FILING:
This statement is filed on behalf of Paramount Capital Asset
Management, Inc. ("Paramount Capital"), Aries Domestic Fund, L.P.
("Aries Domestic"), Aries Domestic Fund II, L.P. ("Aries II"), Aries
Master Fund, a Cayman Island exempted company ("Aries Fund") and
Lindsay A. Rosenwald, M.D. ("Dr. Rosenwald" and collectively,
"Reporting Parties"). See attached Exhibit A which is a copy of
their agreement in writing to file this statement on behalf of each
of them.
Dr. Rosenwald is an investment banker, venture capitalist, fund
manager and sole stockholder of Paramount Capital,(1) a Subchapter S
corporation incorporated in Delaware. Paramount Capital is the
General Partner to each of Aries Domestic,(2) and Aries Domestic II,
limited partnerships incorporated in Delaware. Paramount Capital is
the Investment Manager to Aries Fund,(3) a Cayman Islands exempted
company.
Dr. Rosenwald, Paramount Capital, Aries Domestic and Aries Fund and
their respective officers, directors, general partners, investment
managers, or trustees have not, during the five years prior to the
date hereof, been convicted in a criminal proceeding (excluding
traffic violations or similar misdemeanors).
ITEM 2(b) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
Paramount Capital's, Aries Domestic's, Aries II's, and Dr.
Rosenwald's business address is 787 Seventh Avenue, 48th Floor, New
York, New York, 10019. The business address for Aries Fund is c/o
MeesPierson (Cayman) Limited, P.O. Box 2003, British American
Centre, Phase 3, Dr. Roy's Drive, George Town, Grand Cayman.
ITEM 2(c). CITIZENSHIP:
Dr. Rosenwald is a citizen of the United States of America.
ITEM 2(d). TITLE OF CLASS OF SECURITIES:
- --------
(1) Please see attached Exhibit B indicating the executive officers and
directors of Paramount Capital and providing information called for by
Items 2-6 of this statement as to said officers and directors. Exhibit B
is herein incorporated by reference.
(2) Please see attached Exhibit C indicating the general partner to each of
Aries Domestic and Aries II and the general partner's executive officers
and directors and providing information called for by Items 2-6 of this
statement as to said general partners, officers and directors. Exhibit C
is herein incorporated by reference.
(3) Please see attached Exhibit D indicating the investment manager of the
Aries Fund and the investment manager's executive officers and directors
and providing information called for by Items 2-6 of this statement as to
said investment manager and officers and directors. Exhibit D is herein
incorporated by reference.
7
<PAGE>
Common Stock, par value $0.01 per share.
ITEM 2(e). CUSIP NUMBER: 759916109
ITEM 3. |X| CHECK THIS BOX IF THIS STATEMENT IS FILED PURSUANT TO RULE
13d-1(c)
ITEM 4. OWNERSHIP
For information concerning the ownership of Common Stock of the
Company by the Reporting Persons, see Items 5 through 9 and 11 of the cover
pages to this schedule 13G and footnotes thereto.
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
By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are
not held for the purpose of or with the effect of changing or
influencing the control of the issuer of the securities and were not
acquired and are not held in connection with or as a participant in
a transaction having that purpose and effect.
Material to be Filed as Exhibits:
Exhibit A - Copy of an Agreement between Dr. Rosenwald, Paramount Capital,
Aries Domestic and Aries Fund to file this Statement on Schedule 13G
on behalf of each of them.
Exhibit B - List of executive officers and directors of Paramount Capital
and information called for by Items 2-6 of this statement relating
to said officers and directors.
Exhibit C - List of executive officers and directors of Aries Domestic and
Aries II and information called for
8
<PAGE>
by Items 2-6 of this statement relating to said officers and
directors.
Exhibit D - List of executive officers and directors of Aries Fund and
information called for by Items 2-6 of this statement relating to
said officers and directors.
9
<PAGE>
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.
PARAMOUNT CAPITAL ASSET MANAGEMENT, INC.
Dated: February 8, 2000
New York, NY By /s/ Lindsay A. Rosenwald
-----------------------------------------------
Name: Lindsay A. Rosenwald, M.D.
Title:Chairman
ARIES DOMESTIC FUND, L.P.
By Paramount Capital Asset Management, Inc.,
General Partner
Dated: February 8, 2000
New York, NY By /s/ Lindsay A. Rosenwald
-----------------------------------------------
Name: Lindsay A. Rosenwald, M.D.
Title:Chairman
ARIES DOMESTIC FUND, II L.P.
By Paramount Capital Asset Management, Inc.,
General Partner
Dated: February 8, 2000
New York, NY By /s/ Lindsay A. Rosenwald
-----------------------------------------------
Name: Lindsay A. Rosenwald, M.D.
Title:Chairman
THE ARIES MASTER FUND
By Paramount Capital Asset Management, Inc.
Investment Manager
Dated: Febraury 8, 2000
New York, NY By /s/ Lindsay A. Rosenwald
-----------------------------------------------
Name: Lindsay A. Rosenwald, M.D.
Title:Chairman
Dated: February 8, 2000
New York, NY By /s/ Lindsay A. Rosenwald
-----------------------------------------------
Name: Lindsay A. Rosenwald, M.D.
Title:Chairman
10
<PAGE>
EXHIBIT A
AGREEMENT
JOINT FILING OF SCHEDULE 13G
The undersigned hereby agrees to jointly prepare and file with regulatory
authorities a Schedule 13G and any future amendments thereto reporting each of
the undersigned's ownership of securities of Repligen Corp.and hereby affirm
that such Schedule 13G is being filed on behalf of each of the undersigned.
PARAMOUNT CAPITAL ASSET MANAGEMENT, INC.
Dated: February 8, 2000
New York, NY By /s/ Lindsay A. Rosenwald
-----------------------------------------------
Name: Lindsay A. Rosenwald, M.D.
Title:Chairman
ARIES DOMESTIC FUND, L.P.
By Paramount Capital Asset Management, Inc.
General Partner
Dated: February 8, 2000
New York, NY By /s/ Lindsay A. Rosenwald
-----------------------------------------------
Name: Lindsay A. Rosenwald, M.D.
Title:Chairman
ARIES DOMESTIC FUND II, L.P.
By Paramount Capital Asset Management, Inc.
General Partner
Dated: February 8, 2000
New York, NY By /s/ Lindsay A. Rosenwald
-----------------------------------------------
Name: Lindsay A. Rosenwald, M.D.
Title:Chairman
THE ARIES MASTER FUND
By Paramount Capital Asset Management, Inc.
Investment Manager
Dated: February 8, 2000
New York, NY By /s/ Lindsay A. Rosenwald
-----------------------------------------------
Name: Lindsay A. Rosenwald, M.D.
Title:Chairman
Dated: February 8, 2000
New York, NY By /s/ Lindsay A. Rosenwald
-----------------------------------------------
Name: Lindsay A. Rosenwald, M.D.
Title:Chairman
11
<PAGE>
EXHIBIT B
The name and principal occupation or employment, which in each instance is with
Paramount Capital Asset Management, Inc. ("Paramount Capital") located at 787
Seventh Avenue, 48th Floor, New York, New York, 10019, of each executive officer
and director of Paramount Capital is as follows:
NAME PRINCIPAL OCCUPATION
- ---- OR EMPLOYMENT
-------------
Lindsay A. Rosenwald, M.D. Chairman of the Board and sole
shareholder, Paramount Capital Asset
Management, Inc., Paramount Capital
Investments LLC and Paramount Capital,
Inc.
Mark C. Rogers, M.D. President of Paramount Capital Asset
Management, Inc., Paramount Capital
Investments, LLC, and Paramount Capital,
Inc.
Peter Morgan Kash Director of Paramount Capital Asset
Management, Inc., Senior Managing
Director, Paramount Capital, Inc.
Dr. Yuichi Iwaki Director of Paramount Capital Asset
Management, Inc., Professor, University
of Southern California School of
Medicine
Item 2.
During the five years prior to the date hereof, the above person (to the best of
Paramount Capital's knowledge) has not been convicted in a criminal proceeding
(excluding traffic violations or similar misdemeanors). Additionally, during the
five years prior to the date hereof, the above person (to the best of Paramount
Capital's knowledge) has not been a party to a civil proceeding, of a judicial
or administrative body of competent jurisdiction, as a result of which such
person was or is subject to a judgment, decree or final order enjoining future
violations of, or prohibiting or mandating activities subject to, Federal or
State securities laws or finding any violation with respect to such laws.
Items 3-6.
Please refer to Items 3-6 herein reporting the beneficial ownership.
12
<PAGE>
EXHIBIT C
The name and principal occupation or employment of the General Partner of Aries
Domestic and Aries II, which are located at 787 Seventh Avenue, 48th Floor, New
York, New York, 10019, is as follows:
NAME PRINCIPAL OCCUPATION
- ---- OR EMPLOYMENT
-------------
Paramount Capital Asset Management, Inc General Partner; Investment Manager
Exhibit B is hereby incorporated by reference.
Item 2.
During the five years prior to the date hereof, the above person (to the best of
Aries Domestic's and Aries II's knowledge) has not been convicted in a criminal
proceeding (excluding traffic violations or similar misdemeanors). Additionally,
during the five years prior to the date hereof, the above person (to the best of
Aries Domestic's and Aries II's knowledge) has not been a party to a civil
proceeding, of a judicial or administrative body of competent jurisdiction, as a
result of which such person was or is subject to a judgment, decree or final
order enjoining future violations of, or prohibiting or mandating activities
subject to, Federal or State securities laws or finding any violation with
respect to such laws.
Items 3-6.
Please refer to Items 3-6 herein reporting the beneficial ownership.
13
<PAGE>
EXHIBIT D
The name and principal occupation or employment, which in the case of Paramount
Capital Asset Management, Inc. is located at 787 Seventh Avenue, 48th Floor, New
York, New York, 10019, of each executive officer and director of Aries Fund is
as follows:
PRINCIPAL OCCUPATION NAME
OR EMPLOYMENT ----
- -------------
Paramount Capital Asset Management, Inc. Investment Manager
MeesPierson (Cayman) Limited Administrator
P.O. Box 2003
British American Centre
Phase 3, Dr. Roy's Drive
George Town, Grand Cayman
Exhibit B is hereby incorporated by reference.
Item 2.
During the five years prior to the date hereof, the above person (to the best of
Aries Fund's knowledge) has not been convicted in a criminal proceeding
(excluding traffic violations or similar misdemeanors). Additionally, during the
five years prior to the date hereof, the above person (to the best of Aries
Fund's knowledge) has not been a party to a civil proceeding, of a judicial or
administrative body of competent jurisdiction, as a result of which such person
was or is subject to a judgment, decree or final order enjoining future
violations of, or prohibiting or mandating activities subject to, Federal or
State securities laws or finding any violation with respect to such laws.
Items 3-6.
Please refer to Items 3-6 herein reporting the beneficial ownership.
14
