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. ================================================================================ 1. Name and Address of Reporting Person(1) Rosenthale, Marvin E. - -------------------------------------------------------------------------------- (Last) (First) (Middle) 6908 Queenferry Circle - -------------------------------------------------------------------------------- (Street) Boca Raton, FL 33496 - -------------------------------------------------------------------------------- (City) (State) (Zip) ================================================================================ 2. Issuer Name and Ticker or Trading Symbol Discovery Laboratories, Inc. (Discovery) DSCO ================================================================================ 3. IRS Identification Number of Reporting Person, if an entity (Voluntary) ================================================================================ 4. Statement for Month/Year July 2002 ================================================================================ 5. If Amendment, Date of Original (Month/Year) ================================================================================ 6. Relationship of Reporting Person to Issuer (Check all applicable) |X| Director |_| 10% Owner |_| Officer (give title below) |_| Other (specify below) ================================================================================ 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 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 7/17/02 M 7,800 A $0.0821 18,600 D/I By Trust (3,000) - ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 7/17/02 M 7,800 A $0.3205 18,600 D/I By Trust (3,000) - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ ==================================================================================================================================== Page 1 of 2Table 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 or 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) 4) 4) - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ Stock Options $1.4100 5/21/02 A V 20,000 5/21/02(1) 5/20/12 Common 20,000 $1.41 80,000 D Stock - ------------------------------------------------------------------------------------------------------------------------------------ Stock Options $0.0821 07/17/02 M 7,800 11/01/96 11/01/96 Common 7,800 $0.0821 80,000 D Stock - ------------------------------------------------------------------------------------------------------------------------------------ Stock Options $0.3205 07/17/02 M 7,800 01/30/98 01/30/08 Common 7,800 $0.3205 80,000 D Stock - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ ==================================================================================================================================== Explanation of Responses: (1) Director Automatic Option Grant - Vests one year from date of grant. ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). /s/ Marvin E. Rosenthale 7/29/02 - --------------------------------------------- ----------------------- **Signature of Reporting Person Date Note: File three copies of this form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Page 2 of 2