4 1 d01-34631.txt FORM 4 U.S. SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 |X| Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). ================================================================================ 1. Name and Address of Reporting Person* Rosenwald, M.D., Lindsay A. -------------------------------------------------------------------------------- (Last) (First) (Middle) c/o Paramount Capital Asset Management, Inc., 787 Seventh Avenue, 48th Floor -------------------------------------------------------------------------------- (Street) New York NY 10019 -------------------------------------------------------------------------------- (City) (State) (Zip) ================================================================================ 2. Issuer Name and Ticker or Trading Symbol Repligen Corporation (RGEN) ================================================================================ 3. IRS Identification Number of Reporting Person, if an Entity (Voluntary) ================================================================================ 4. Statement for Month/Year August 2001 ================================================================================ 5. If Amendment, Date of Original (Month/Year) ================================================================================ 6. Relationship of Reporting Person to Issuer (Check all applicable) |_| Director |X| 10% Owner |_| Officer (give title below) |_| Other (specify below) ================================================================================ 7. Individual or Joint/Group Filing (Check Applicable Line) |_| Form filed by one Reporting Person |X| Form filed by more than one Reporting Person ================================================================================ * If the Form is filed by more than one Reporting Person, see Instruction 4(b)(v). ================================================================================ Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned ================================================================================
6. 4. 5. Owner- Securities Acquired (A) or Amount of ship 3. Disposed of (D) Securities Form: 7. Transaction (Instr. 3, 4 and 5) Beneficially Direct Nature of 2. Code ---------------------------- Owned at End (D) or Indirect 1. Transaction (Instr. 8) (A) of Month Indirect Beneficial Title of Security Date ------------ Amount or Price (Instr. 3 (I) Ownership (Instr. 3) (mm/dd/yy) Code V (D) and 4) (Instr.4) (Instr. 4) ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 08/28/01 S 1,047,859 D $2.100 I By Aries Select, Ltd.(2) ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 08/28/01 S 511,573 D $2.100 I By Aries Select I, LLC(2) ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 08/28/01 S 90,568 D $2.100 2,413,900(1) I By Aries Select II, LLC(2) ====================================================================================================================================
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. Page 2 of 5 FORM 4 (continued) Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) ================================================================================
9. 10. Number Owner- of ship 2. Deriv- Form of Conver- 5. 7. ative Deriv- 11. sion Number of Title and Amount Secur- ative Nature of Derivative 6. of Underlying 8. ities Secur- of Exer- 4. Securities Date Securities Price Bene- ity: In- cise 3. Trans- Acquired (A) Exercisable and (Instr. 3 and 4) of ficially Direct direct Price Trans- action or Disposed Expiration Date ---------------- Deriv- Owned (D) or Bene- 1. of action Code of(D) (Month/Day/Year) Amount ative at End In- ficial Title of Deriv- Date (Instr. (Instr. 3, ---------------- or Secur- of direct Owner- Derivative ative (Month/ 8) 4 and 5) Date Expira- Number ity Month (I) ship Security Secur- Day/ ------ ------------ Exer- tion of (Instr. (Instr. (Instr. (Instr. (Instr. 3) ity Year) Code V (A) (D) cisable Date Title Shares 5) 4) 5) 5) ------------------------------------------------------------------------------------------------------------------------------------ ====================================================================================================================================
Explanation of Responses: (1) See Attachment A. (2) Paramount Capital Asset Management, Inc. ("PCAM") is the managing member of each of the of each of Aries Select I LLC ("Aries I") and Aries Select II LLC ("Aries II"), each a Delaware limited liability company, and also serves as the investment manager of Aries Select, Ltd., a Cayman Island exempted company (the "Aries Limited"), which also owns securities of the Issuer. Dr. Rosenwald is the chairman and sole stockholder of PCAM. As a result, Dr. Rosenwald and PCAM may be deemed to have voting and investment control over the securities of the issuer owned by the Aries Funds under Rule 16a-(a)(1) of the Securities Exchange Act of 1934. Dr. Rosenwald and PCAM disclaim beneficial ownership of the securities held by the Aries Funds, except to the extent of its pecuniary interest therein, if any. ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). /s/ Lindsay A. Rosenwald, M.D. September 7, 2001 --------------------------------------------- ----------------- ** Signature of Reporting Person Date Lindsay A. Rosenwald, M.D. Chairman Paramount Capital Asset Management, Inc. Investment Manager - Aries Select, Ltd. Managing Member - Aries Select I LLC Managing Member - Aries Select II LLC Page 3 of 5 ATTACHMENT A Securities beneficially owned by Dr. Rosenwald are presented on an as-converted basis and consist of the following: 1. 1,800,019 shares of common stock of the Issuer, par value $0.01 per share (the "Common Stock") owned by Aries Select, Ltd., a Cayman Island Exempted Company 2. 530,631 shares of Common Stock of the Issuer owned By Aries Select I, LLC 3. Warrants to purchase 33,250 shares of Common Stock owned directly by Dr. Rosenwald. Page 4 of 5 Joint Filer Information Name: Paramount Capital Asset Management, Inc Address: 787 Seventh Avenue, 48th Floor New York, NY 10019 Designated Filer: Lindsay A. Rosenwald, MD Issuer: Repligen Corp. (RGEN) Page 5 of 5