Form: 4

Statement of changes in beneficial ownership of securities

May 19, 2000

4: Statement of changes in beneficial ownership of securities

Published on May 19, 2000



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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*

Russell, Thomas J.
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(Last, First Middle)

631 Mourning Dove Drive
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(Street)

Sarasota, Florida 34236
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(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

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

March 2000
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6. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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


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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).
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Table I -- Non-Derivative Securities Acquired, Disposed of,
or Beneficially Owned
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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)
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(1)
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Table I (cont.) -- Non-Derivative Securities Acquired, Disposed of,
or Beneficially Owned
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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)
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(1) Common Stock 445,502 D
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(2) Common Stock 1,278,365 I By AER 1997 Trust
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Reminder: Report on a separate line for each class of securities beneficially
owned directly or indirectly.
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Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
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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
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(1) Common Stock 11/08/99 A* 300,000 Immed. 03/06/00
Warrant (right
to buy)
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(2) Common Stock
Warrant (right
to buy) 11/08/99 S 30,000 11/08/99 03/06/00
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Table II (cont.) -- Derivative Securities Acquired, Disposed of, or Beneficially
Owned (e.g., puts, calls, warrants, options, convertible securities)
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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)
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(1)-(2)-(3)
Common Stock Common 270,000 $12.94 270,000 D D
Warrant
(right to buy)
at $12.94
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Explanation of Responses:

* Warrants issued to reporting person in exchange for guarantee of certain
company indebtedness.



/s/ Thomas Russell May 17, 2000
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**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.