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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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)

4/14/2020
(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 4/14/2020  M  45908 A$21.10 234932 D  
Common Stock 4/14/2020  S  45908 (1)D$30 189024 D  
Common Stock 4/15/2020  M  79092 A$21.10 268116 D  
Common Stock 4/15/2020  S  79092 (1)D$30 189024 D  
Common Stock 4/16/2020  M  125000 A$21.10 314024 D  
Common Stock 4/16/2020  S  125000 (1)D$31 189024 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 Security3. Trans. Date3A. Deemed Execution Date, if any4. 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 Date7. 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right To Buy) $21.1 4/14/2020  M   45908    10/14/2015 10/14/2021 Common Stock 45908.0 $0 204092 D  
Stock Option (Right To Buy) $21.1 4/15/2020  M   79092    10/14/2015 10/14/2021 Common Stock 79092.0 $0 125000 D  
Stock Option (Right To Buy) $21.1 4/16/2020  M   125000    10/14/2015 10/14/2021 Common Stock 125000.0 $0 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 February 28, 2020 (the "Trading Plan"). The Trading Plan covered options that were otherwise set to expire in 2021. The representation regarding the seller's knowledge of material adverse non-public information speaks as of the date that the Trading Plan was adopted.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
SHAMIR NACHUM
12212 TECHNOLOGY BLVD
AUSTIN, TX 78727
X
President & CEO

Signatures
/S/ HARRISS T.CURRIE, AS ATTORNEY-IN-FACT FOR NACHUM SHAMIR4/16/2020
**Signature of Reporting PersonDate

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