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                                                           OMB APPROVAL
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                                                  OMB Number 3235-0287
                                                  Expires: September 30, 1998
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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 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*

   Stall, Richard A.
- --------------------------------------------------------------------------------
   (Last, First Middle)

   c/o EMCORE Corporation, 394 Elizabeth Avenue
- --------------------------------------------------------------------------------
   (Street)

   Somerset, New Jersey  08873
- --------------------------------------------------------------------------------
   (City, State  Zip)


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2. Issuer Name and Ticker or Trading Symbol

   EMCORE Corporation (EMKR)
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3. IRS or Social Security Number of Reporting Person (Voluntary)


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4. Statement for Month/Year

   June 1999
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5. If Amendment, Date of Original (Month/Year)


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

   [ X ]   Director                             [   ]   10% Owner
   [ X ]   Officer (give title below)           [   ]   Other (specify below)
                                Vice President
                          ---------------------------
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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

*   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 - -------------------------------------------------------------------------------- 4. Securities Acquired (A) or 3. Disposed of (D) Transaction (Instr. 3, 4 and 5) 2. Code ----------------------------- 1. Transaction (Instr. 8) (A) Title of Security Date ------------ Amount or Price (Instr. 3) (mm/dd/yy) Code V (D) - ------------------------------------------------------------------------------------------------------------------------------------ (1) Common Stock 06/15/99 S 10,000 D $17.86 - ------------------------------------------------------------------------------------------------------------------------------------

- -------------------------------------------------------------------------------- Table I (cont.) -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned - -------------------------------------------------------------------------------- 5. 6. Owner- Amount of ship Securities Form: 7. Beneficially Direct Nature of Owned at End (D) or Indirect 1. of Month Indirect Beneficial Title of Security (Instr. 3 (I) Ownership (Instr. 3) and 4) (Instr.4) (Instr. 4) - ------------------------------------------------------------------------------------------------------------------ (1) Common Stock 33,363 D - ------------------------------------------------------------------------------------------------------------------ ================================================================================================================== Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

================================================================================ Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) - -------------------------------------------------------------------------------- 6. Date 5. Exercisable and 2. 4. Number of Derivative Expiration Date 1. Conversion or Transaction Securities Acquired (A) (Month/Day/Year) Title of Exercise 3. Code or Disposed of (D) ---------------- Derivative Price of Transaction (Instr. 8) (Instr. 3, 4 and 5) Date Expira- Security Derivative Date (Month/ ------ ----------------------- Exer- tion (Instr. 3) Security Day/Year) Code V A) (D) cisable Date - ------------------------------------------------------------------------------------------------------------------------------------ (1) - ------------------------------------------------------------------------------------------------------------------------------------

- -------------------------------------------------------------------------------- Table II (cont.) -- Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) - -------------------------------------------------------------------------------- 7. Title and Amount of Underlying Securities 9. 10. (Instr. 3 and 4) Number of Ownership ---------------- Derivative Form of 11. 1. Amount 8. Securities Derivative Nature of Title of or Price of Beneficially Security: Indirect Derivative Number Derivative Owned Direct (D) Beneficial Security of Security at End of Month or Indirect Ownership (Instr. 3) Title Shares (Instr. 5) (Instr.4) (I) (Instr. 4) (Instr. 4) - ------------------------------------------------------------------------------------------------------------------------------------ (1) - ------------------------------------------------------------------------------------------------------------------------------------ ====================================================================================================================================

Explanation of Responses: /s/ Richard A. Stall July 8, 1999 - --------------------------------------------- ----------------------- **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: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedures. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.