EMKR EMCORE Corporation

FORM 4 ☐ Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Black Iain	2. Issuer Name and Ticker or Trading Symbol EMCORE CORP [ EMKR ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) SVP, Operations
(Last)          (First)          (Middle) 2015 W. CHESTNUT STREET	3. Date of Earliest Transaction (MM/DD/YYYY) 3/23/2023
(Street) ALHAMBRA, CA 91803	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person
(City)        (State)        (Zip)	Rule 10b5-1(c) Transaction Indication ☐ Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Restricted Stock Units	3/23/2023		A		56400	A	(1)	111248	D
Common Stock	3/23/2023		F		2956 (2)	D	$1.15	108292	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance-Based Restricted Stock Units (PSUs)	(3)	3/23/2023		A		56400 (3)		(4)	(4)	Common Stock	56400 (3)	$0	56400 (3)	D

Explanation of Responses:
(1)	Each restricted stock unit (RSU) represents a contingent right to receive one share of EMCORE common stock. The RSUs were issued pursuant to the Amended and Restated EMCORE Corporation 2019 Equity Incentive Plan. The RSUs vest as to 1/4 of the underlying shares on each of the first four anniversaries of the grant date, subject to the Reporting Person's continued service with the Issuer through the applicable vesting date.
(2)	On March 23, 2021, the Reporting Person was granted 29,000 RSUs, vesting in four equal annual installments beginning on the first anniversary of the grant date, which grant was previously reported on a Form 4, Table I. The Reporting Person vested in 7,250 shares on March 23, 2023 from this RSU award. The number of shares reported here represents the number of shares required to be withheld in accordance with Rule 16b-3 to cover the Reporting Person's tax withholding obligation in connection with the vesting of the RSUs on March 23, 2023.
(3)	Each Performance-Based Restricted Stock Unit (PSU) represents a contingent right to receive one share of EMCORE common stock, based on a threshold average closing share price for EMCORE's common stock, as set by the Compensation Committee of the Board of Directors, during any 30-day period within the three-year period following the grant date.
(4)	Either zero (0) or 100% of the PSUs will vest, if at all, on March 23, 2026, subject to the Reporting Person's continued service with the Issuer through such date.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Black Iain 2015 W. CHESTNUT STREET ALHAMBRA, CA 91803			SVP, Operations

Signatures
Ryan Hochgesang, attorney in fact		3/27/2023
**Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	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 procedure.
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