SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13D
(Ammendment No.1)
Under the Securities Exchange Act of 1934
Repligen Corporation
(Name of Issuer)
Common Stock, par value $.01 per share
(Title of Class of Securities)
759916109
(CUSIP Number)
Paramount Capital Asset Management, Inc.
c/o Lindsay A. Rosenwald, M.D.
787 Seventh Avenue
New York, NY 10019
(212) 554-4300
with a copy to:
David R. Walner, Esq.
Paramount Capital Asset Management, Inc.
787 Seventh Avenue
New York, NY 10019
(212) 554-4372
(Name, Address and Telephone Number of Person Authorized
to Receive Notices and Communications)
December 20, 1996
(Date of Event which Requires Filing of this Statement)
If the filing person has previously filed a statement on
Schedule 13G to report the acquisition which is the
subject of this Statement because of Rule 13d-1(b)(3) or
(4), check the following:
(X)
Check the following box if a fee is being paid with this
Statement:
(X)
13D
CUSIP NO. [759916109] PAGE ____ OF ___ PAGES
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Paramount Capital Asset Management, Inc.
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)(X)
(b)(X)
3 SEC USE ONLY
4 SOURCE OF FUNDS*
OO (see Item 3 below)
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO
ITEM 2(d) or 2(e)
(X)
6 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
7 SOLE VOTING POWER
None
NUMBER OF
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 1,184,400
OWNED BY
EACH 9 SOLE DISPOSITIVE POWER
REPORTING None
PERSON
WITH 10 SHARED DISPOSITIVE POWER
1,184,400
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,184,400
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN
SHARES*
(X)
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
7.5%
14 TYPE OF REPORTING PERSON*
CO
13D
CUSIP NO. [759916109] PAGE ____ OF ___ PAGES
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Aries Domestic Fund, L.P.
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)(X)
(b)(X)
3 SEC USE ONLY
4 SOURCE OF FUNDS*
OO (see Item 3 below)
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEM 2(d) or 2(e)
(X)
6 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
7 SOLE VOTING POWER
None
NUMBER OF
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 361,700
OWNED BY
EACH 9 SOLE DISPOSITIVE POWER
REPORTING None
PERSON
WITH 10 SHARED DISPOSITIVE POWER
361,700
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
361,700
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN
SHARES*
(X)
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
2.3%
14 TYPE OF REPORTING PERSON*
PN
13D
CUSIP NO. [759916109] PAGE ____ OF ___ PAGES
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
The Aries Trust
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)(X)
(b)(X)
3 SEC USE ONLY
4 SOURCE OF FUNDS*
OO (see Item 3 below)
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO
ITEM 2(d) or 2(e)
(X)
6 CITIZENSHIP OR PLACE OF ORGANIZATION
Cayman Islands
7 SOLE VOTING POWER
None
NUMBER OF
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 822,700
OWNED BY
EACH 9 SOLE DISPOSITIVE POWER
REPORTING None
PERSON
WITH 10 SHARED DISPOSITIVE POWER
822,700
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
822,700
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN
SHARES*
(X)
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
5.2%
14 TYPE OF REPORTING PERSON*
OO (see Item 2)
13D
CUSIP NO. [759916109] PAGE ____ OF ___ PAGES
1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Lindsay A. Rosenwald, M.D.
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)(X)
(b)(X)
3 SEC USE ONLY
4 SOURCE OF FUNDS*
OO (see Item 3 below)
5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO
ITEM 2(d) or 2(e)
(X)
6 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
7 SOLE VOTING POWER
None
NUMBER OF
SHARES 8 SHARED VOTING POWER
BENEFICIALLY 1,184,400
OWNED BY
EACH 9 SOLE DISPOSITIVE POWER
REPORTING None
PERSON
WITH 10 SHARED DISPOSITIVE POWER
1,184,400
11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,184,400
12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 11 EXCLUDES CERTAIN
SHARES*
(X)
13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
7.5%
14 TYPE OF REPORTING PERSON*
IN
Item 1. Security and Issuer.
(a) Common Stock, $.01 par value ("Shares")
Repligen Corporation
117 Fourth Avenue
Needham, MA 02194
617-449-9560
Item 2. Identity and Background.
Names of Persons Filing:
(a) This statement is filed on behalf of Paramount Capital Asset
Management, Inc. ("Paramount Capital"), Aries Domestic Fund, L.P.
("Aries Domestic"), The Aries Trust ("Aries Trust") and Dr. Lindsay
A. Rosenwald (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.
(b) The business address of Paramount Capital, Aries Domestic and Dr.
Rosenwald s is 787 Seventh Avenue, 44th Floor, New York, New York,
10019. The business address for Aries Trust is c/o MeesPierson
(Cayman) Limited, P.O. Box 2003, British American Centre, Phase 3,
Dr. Roy's Drive, George Town, Grand Cayman.
(c) Dr. Rosenwald is an investment banker, venture capitalist, fund
manager and sole shareholder of Paramount Capital,(1) a Subchapter S
corporation incorporated in the State of Delaware. Paramount
Capital is the General Partner of Aries Domestic,(2) a limited
partnership incorporated in Delaware. Paramount Capital is the
Investment Manager to Aries Trust,(3) a Cayman Islands Trust.
(d) Dr. Rosenwald, Paramount Capital, Aries Domestic and Aries Trust
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).
(e) Dr. Rosenwald, Paramount Capital, Aries Domestic and Aries Trust
and their respective officers, directors, general partners,
investment managers, or trustees have not been, during the five
__________________
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 of Aries
Domestic 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 Trust 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.
years prior to the date hereof, parties 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.
(f) Dr. Rosenwald is a citizen of the United States.
Item 3. Source and Amount of Funds or Other Consideration.
As previously reported in the original statement on Schedule 13-D
(the "Original Statement") filed by the Reporting Parties on
November 15, 1996, in connection with their initial acquisition of
shares of the Issuer, Aries Domestic used its general funds to
effect the purchase of 292,000 shares of the Issuer in various open
market transactions for an approximate aggregate purchase price of
$407,258 and Aries Trust used its general funds to effect its
initial purchase of 658,000 shares for an approximate aggregate
purchase price of $916,692. Since the date of the Original
Statement, Aries Domestic used its general funds to effect the
purchase of an additional 69,700 shares of the Issuer in various
open market transactions as further set forth in Item 5 for an
approximate aggregate purchase price of $88,093 and the Aries Trust
has used its general funds to effect the purchase of an additional
164,700 shares of the Issuer in various open market transactions as
further set forth in Item 5 for an approximate aggregate purchase
price of $208,215.
Item 4. Purpose of Transaction.
The Reporting Parties acquired shares of Common Stock of the Issuer
as an investment in the Issuer.
Although the Reporting Parties have not formulated any definitive
plans, they may from time to time acquire, or dispose of, Common
Stock and/or other securities of the Issuer if and when they deem
it appropriate. The Reporting Parties may formulate other
purposes, plans or proposals relating to any of such securities of
the Issuer to the extent deemed advisable in light of market
conditions, investment policies and other factors.
Except as indicated in this Schedule 13D, the Reporting Parties
currently have no plans or proposals that relate to or would result
in any of the matters described in subparagraphs (a) through (j) of
Item 4 of Schedule 13D.
Item 5. Interest in Securities of the Issuer.
(a) As of December 27, 1996, Dr. Rosenwald and Paramount Capital,
through acquisition of the shares by the Aries Trust and Aries
Domestic, beneficially owned 1,184,400 shares or 7.5% of the
Issuer's securities and Aries Domestic and the Aries Trust
beneficially owned as follows:
Amount Owned
Aries Domestic 361,700 Shares
Aries Trust 822,700 Shares
(b) Dr. Rosenwald and Paramount Capital share the power to vote or
to direct the vote, to dispose or to direct the disposition of
those shares owned by each of Aries Domestic and Aries Trust.
(c) The following purchases were made by Aries Domestic in the
open market since the filing of the Original Statement on
December 4, 1996:
Date No. of Shares Purchase Price
12/05/96 7,500 1.313
12/06/96 7,500 1.375
12/11/96 15,000 1.205
12/12/96 3,000 1.219
12/16/96 10,800 1.250
12/20/96 2,400 1.139
12/23/96 17,400 1.197
12/24/96 1,500 1.170
12/26/96 4,600 1.125
The following purchases were made by Aries Trust in the open
market in the since the filing of the Original Statement on
December 4, 1996:
Date No. of Shares Market Price
12/05/96 17,500 1.313
12/06/96 17,500 1.375
12/11/96 40,000 1.205
12/12/96 6,200 1.219
12/16/96 25,000 1.250
12/20/96 7,000 1.139
12/23/96 41,000 1.197
12/24/96 3,500 1.170
12/26/96 7,000 1.125
Other than as set forth herein the Reporting Parties have not
engaged in any transactions in the Common Stock of the Issuer
during the past 60 days.
(d) & (e) Not applicable.
Item 6. Contracts, Arrangements, Understandings or Relationships
with respect to Securities of the Issuer
Paramount Capital is the investment manager of the Aries Trust and
the General Partner of Aries Domestic and in such capacities has
the authority to make certain investment decisions on behalf of
such entities, including decisions relating to the securities of
the Issuer. In connection with its investment management duties,
Paramount Capital receives certain management fees and performance
allocations from the Aries Trust and Aries Domestic. Dr. Rosenwald
is the sole shareholder of Paramount Capital. Except as indicated
in this 13D and exhibits, there is no contract, arrangement,
understanding or relationship between the Reporting Parties and any
other person, with respect to any securities of the Issuer.
Item 7. Material to be Filed as Exhibits:
Exhibit A - Copy of an Agreement between Dr. Rosenwald, Paramount Capital,
Aries Domestic and Aries Trust to file this Statement on
Schedule 13D 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
information called for by Items 2-6 of this statement relating
to said officers and directors.
Exhibit D - List of executive officers and directors of Aries Trust and
information called for by Items 2-6 of this statement relating
to said officers and directors.
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: December 20, 1996
New York, NY By /s/ Lindsay A. Rosenwald, M.D.
Lindsay A. Rosenwald, M.D.
President
ARIES DOMESTIC FUND, L.P.
By Paramount Capital Asset Management, Inc.
General Partner
Dated: December 20, 1996
New York, NY By /s/ Lindsay A. Rosenwald, M.D.
Lindsay A. Rosenwald, M.D.
President
THE ARIES TRUST
By Paramount Capital Asset Management, Inc.
Investment Manager
Dated: December 20, 1996
New York, NY By /s/ Lindsay A. Rosenwald, M.D.
Lindsay A. Rosenwald, M.D.
President
Dated: December 20, 1996
New York, NY By /s/ Lindsay A. Rosenwald, M.D.
Lindsay A. Rosenwald, M.D.
EXHIBIT A
AGREEMENT
JOINT FILING OF SCHEDULE 13D
The undersigned hereby agrees to jointly prepare and file with
regulatory authorities a Schedule 13D and any future amendments thereto
reporting each of the undersigned's ownership of securities of Repligen
Corporation, and hereby affirm that such Schedule 13D is being filed on
behalf of each of the undersigned.
PARAMOUNT CAPITAL ASSET MANAGEMENT, INC.
Dated: December 20, 1996
New York, NY By /s/ Lindsay A. Rosenwald. M.D.
Lindsay A. Rosenwald, M.D.
President
ARIES DOMESTIC FUND, L.P.
By Paramount Capital Asset Management, Inc.
General Partner
Dated: December 20, 1996
New York, NY By /s/ Lindsay A. Rosenwald M.D.
Lindsay A. Rosenwald, M.D.
President
THE ARIES TRUST
By Paramount Capital Asset Management, Inc.
Investment Manager
Dated: December 20, 1996
New York, NY By /s/ Lindsay A. Rosenwald, M.D.
Lindsay A. Rosenwald, M.D.
President
Dated: December 20, 1996
New York, NY By /s/ Lindsay Rosenwald, M.D.
Lindsay A. Rosenwald, M.D.
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, 44th Floor, New York, New York, 10019, of each
executive officer and director of Paramount Capital is as follows:
PRINCIPAL OCCUPATION
NAME OR EMPLOYMENT
Lindsay A. Rosenwald, M.D. Chairman of the Board, 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., Inc.,
Senior Managing Director,
Paramount Capital, Inc.
Dr. Yuichi Iwaki Director of Paramount Capital
Asset Management, Inc., Inc.,
Professor, University of
Southern California School of
Medicine
Item 2.
During the five years prior to the date hereof, none of the above
persons (to the best of Paramount Capital s knowledge) was convicted in a
criminal proceeding (excluding traffic violations or similar misdemeanors) or
was 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.
EXHIBIT C
The name and principal occupation or employment of the General Partner
of Aries Domestic, which is located at 787 Seventh Avenue, 44th Floor, New
York, New York, 10019, is as follows:
PRINCIPAL OCCUPATION
NAME 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 knowledge) has not been convicted in a criminal
proceeding (excluding traffic violations or similar misdemeanors) or was 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.
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,
44th Floor, New York, New York, 10019, of each executive officer and director
of Aries Trust is as follows:
PRINCIPAL OCCUPATION
NAME OR EMPLOYMENT
Paramount Capital Asset Management, Inc. Investment Manager
MeesPierson (Cayman) Limited Trustee
P.O. Box 2003
British American Centre
Phase 3, Dr. Roy s Drive
George Town, Grand Caymen
Exhibit B is hereby incorporated by reference.
Item 2.
During the five years prior to the date hereof, neither of the above
persons (to the best of Aries Trust's knowledge) have been convicted in a
criminal proceeding (excluding traffic violations or similar misdemeanors) or
was 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.
