Statement of Changes in Beneficial Ownership (4)

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

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3235-0287

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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 * SHAMIR NACHUM	2. Issuer Name and Ticker or Trading Symbol LUMINEX CORP [ LMNX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) President & CEO
(Last)          (First)          (Middle) 12212 TECHNOLOGY BLVD	3. Date of Earliest Transaction (MM/DD/YYYY) 8/3/2020
(Street) AUSTIN, TX 78727 (City)        (State)        (Zip)	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

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
Common Stock	8/3/2020		M		125000	A	$15.93	314024	D
Common Stock	8/3/2020		S		125000 (1)	D	$38.5051	189024	D
Common Stock	8/4/2020		M		116441	A	$15.93	305465	D
Common Stock	8/4/2020		S		116441 (1)	D	$39.50	189024	D
Common Stock	8/5/2020		M		8559	A	$15.93	197583	D
Common Stock	8/5/2020		S		8559 (1)	D	$40.16	189632 (2)	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
Stock Option (Right To Buy)	$15.93	8/3/2020		M			125000	3/11/2017	3/11/2022	Common Stock	125000.0	$15.93	125000	D
Stock Option (Right To Buy)	$15.93	8/4/2020		M			116441	3/11/2017	3/11/2022	Common Stock	116441.0	$15.93	8559	D
Stock Option (Right To Buy)	$15.93	8/5/2020		M			8559	3/11/2017	3/11/2022	Common Stock	8559.0	$15.93	0	D

Explanation of Responses:
(1)	This sale is being made pursuant to a trading plan intended to comply with Rule 10b5-1 adopted by the seller on May 26, 2020. The representation regarding the seller's knowledge of material adverse non-public information speaks as of the date that the aforementioned trading plan was adopted.
(2)	This balance includes 608 shares obtained under the Luminex Corporation Employee Stock Purchase Plan on May 29, 2020.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SHAMIR NACHUM 12212 TECHNOLOGY BLVD AUSTIN, TX 78727	X		President & CEO

Signatures
/S/ HARRISS T.CURRIE, AS ATTORNEY-IN-FACT FOR NACHUM SHAMIR		8/5/2020
**Signature of Reporting Person		Date