OMB APPROVAL ------------------------ OMB Number: Expires: Estimated average burden hours per response...0.5 FORM 3 U.S. SECURITIES AND EXCHANGE Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 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 20(f) of the Investment Company Act of 1949 ________________________________________________________________________________ 1. Name and Address of Reporting Person Esteve Antonio - -------------------------------------------------------------------------------- (Last) (First) (Middle) 350 South Main Street, Suite 307 - -------------------------------------------------------------------------------- (Street) Doylestown PA 18901 - -------------------------------------------------------------------------------- (City) (State) (Zip) ________________________________________________________________________________ 2. Date of Event Requiring Statement (Month/Day/Year) 5/21/02 ________________________________________________________________________________ 3. IRS or Social Security Number of Reporting Person (Voluntary) ________________________________________________________________________________ 4. Issuer Name and Ticker or Trading Symbol Discovery Laboratories, Inc. (DSCO) ________________________________________________________________________________ 5. Relationship of Reporting Person to Issuer (Check all applicable) |X| Director |_| 10% Owner |_| Officer (give title below) |_| Other (specify below) ________________________________________________________________________________ 6. If Amendment, Date of Original (Month/Day/Year) ________________________________________________________________________________ 7. Individual or Joint/Group Filing (Check Applicable Line) |X| Form filed by One Reporting Person |_| Form filed by More than One Reporting Person ================================================================================ Table I -- Non-Derivative Securities Beneficially Owned ================================================================================ 3. Ownership Form: 2. Amount of Securities Direct (D) or 1. Title of Security Beneficially Owned Indirect (I) 4. Nature of Indirect Beneficial Ownership (Instr. 4) (Instr. 4) (Instr. 5) (Instr. 4) - ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 317,164 I Laboratorios P.E.N.S.A. - ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 821,862 I Laboratorios del Dr. Esteve S.A. - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ ==================================================================================================================================== Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.Table II -- Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) ================================================================================ 5. Owner- 3. Title and Amount of Securities ship Underlying Derivative Security Form of 2. Date Exercisable (Instr. 4) Derivative and Expiration Date --------------------------------- 4. Conver- Security: (Month/Day/Year) Amount sion or Direct 6. Nature of ---------------------- or Exercise (D) or Indirect Date Expira- Number Price of Indirect Beneficial 1. Title of Derivative Exer- tion of Derivative (I) Ownership Security (Instr. 4) cisable Date Title Shares Security (Instr. 5) (Instr. 5) - ------------------------------------------------------------------------------------------------------------------------------------ Stock Options 5/21/02 5/20/12 Common Stock 20,000 $1.41 D - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ ==================================================================================================================================== Explanation of Responses: (1) Director Automatic Option Grant - Vests one year from date of grant. /s/ Antonio Esteve 5/31/02 - --------------------------------------------- ----------------------- **Signature of Reporting Person Date ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: See Instruction 6 for procedure. File three copies of this Form, one of which must be manually signed. If space provided is insufficient. Page 2 of 2