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

|_|   Check this box if no longer subject to Section 16. Form 4 or Form 5
      obligations may continue. See Instruction 1(b).

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1. Name and Address of Reporting Person*

   Schaber,           Christopher                  J.
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   (Last)               (First)                 (Middle)

40 South Hockey Drive
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                                    (Street)

  Columbus,                NJ                   08022
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   (City)               (State)                 (Zip)

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2. Issuer Name and Ticker or Trading Symbol

Discovery Laboratories, Inc. (Discovery)

DSCO
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3. IRS Identification Number of Reporting Person, if an Entity (Voluntary)


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4. Statement for Month/Year

March 2000
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5. If Amendment, Date of Original (Month/Year)


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6. Relationship of Reporting Person to Issuer
   (Check all applicable)

   |_|   Director                             |_|   10% Owner
   |X|   Officer (give title below)           |_|   Other (specify below)

                            Chief Operating Officer
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7. Individual or Joint/Group Filing (Check Applicable Line)

   |X|  Form filed by one Reporting Person
   |_|  Form filed by more than one Reporting Person

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* 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 03/08/00 M 42,500 A $1.38 99,317(1) D - ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 03/08/00 M 31,200 A $0.0821 99,317(1) D - ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 03/08/00 F 6,083 D $10.063 99,317(1) D ==================================================================================================================================== (1) Excludes 175,844 shares of Coimmon Stock issuable upon exercise of stock options. Page 1 of 2

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) - ------------------------------------------------------------------------------------------------------------------------------------ Employee $1.38 03/08/00 M D 09/30/99 09/29/09 Common 42,500 $1.38 175,844 D Stock Options Stock - ------------------------------------------------------------------------------------------------------------------------------------ Employee $0.0821 03/08/00 M D 11/12/96 11/11/06 Common 31,200 $0.0821 175,844 D Stock Options Stock - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ ==================================================================================================================================== Explanation of Responses: ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). /s/ Christopher J. Schaber January 10, 2001 - --------------------------------------------- ----------------------- ** Signature of Reporting Person Date Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure. Page 2 of 2