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

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 * Bennett Todd C.	2. Issuer Name and Ticker or Trading Symbol LUMINEX CORP [ LMNX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) SVP, Global Sales & Cust Ops
(Last)          (First)          (Middle) 12212 TECHNOLOGY BLVD	3. Date of Earliest Transaction (MM/DD/YYYY) 2/25/2021
(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	2/25/2021		M		745	A	$15.93	34878	D
Common Stock	2/25/2021		M		8507	A	$16.74	43385	D
Common Stock	2/25/2021		M		31285	A	$19.13	74670	D
Common Stock	2/25/2021		M		18771	A	$19.13	93441	D
Common Stock	2/25/2021		M		43955	A	$18.04	137396	D
Common Stock	2/25/2021		M		12848	A	$21.98	150244	D
Common Stock	2/25/2021		M		5396	A	$24.43	155640	D
Common Stock	2/25/2021		S		40537 (1)	D	$33.0702	115103	D
Common Stock	2/25/2021		S		80970 (1)	D	$34.5501	34197 (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	2/25/2021		M			745	3/11/2017	3/11/2022	Common Stock	745.0	$15.93	0	D
Stock Option (Right To Buy)	$16.74	2/25/2021		M			8507	7/16/2017	10/1/2022	Common Stock	8507.0	$16.74	0	D
Stock Option (Right To Buy)	$19.13	2/25/2021		M			31285	3/22/2017	3/22/2023	Common Stock	31285.0	$19.13	0	D
Stock Option (Right To Buy)	$19.13	2/25/2021		M			18771	3/22/2017	3/22/2023	Common Stock	18771.0	$19.13	0	D
Stock Option (Right To Buy)	$18.04	2/25/2021		M			43955	3/10/2018	3/10/2024	Common Stock	43955.0	$18.04	14652	D
Stock Option (Right To Buy)	$21.98	2/25/2021		M			12848	3/12/2019	3/12/2025	Common Stock	12848.0	$21.98	12849	D
Stock Option (Right To Buy)	$24.43	2/25/2021		M			5396	3/12/2020	3/12/2026	Common Stock	5396.0	$24.43	16191	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 August 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 a total of 64 shares obtained under the Luminex Corporation Employee Stock Purchase Plan. 34 shares obtained March 29, 2020 and 30 shares obtained November 30, 2020.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Bennett Todd C. 12212 TECHNOLOGY BLVD AUSTIN, TX 78727			SVP, Global Sales & Cust Ops

Signatures
/S/ HARRISS T.CURRIE AS ATTORNEY-IN-FACT FOR TODD C. BENNETT		2/26/2021
**Signature of Reporting Person		Date