Sec Form 4 Filing - KEVER JIM D @ LUMINEX CORP - 2021-07-14

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 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(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person KEVER JIM D 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 _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 12212 TECHNOLOGY BOULEVARD 3. Date of Earliest Transaction (MM/DD/YY) 07/14/2021 (Street) AUSTIN, TX78727 4. If Amendment, Date Original Filed (MM/DD/YY) 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)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction 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 07/14/2021 D 169,505 ( 1 ) D $ 37 60,694 ( 2 ) D Common Stock 07/14/2021 D 60,694 ( 3 ) D $ 37 0 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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

Reporti ng Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other KEVER JIM D 12212 TECHNOLOGY BOULEVARD AUSTIN, TX78727 X Signatures /S/ HARRISS T. CURRIE, AS ATTORNEY-IN-FACT FOR JIM D. KEVER 07/14/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Disposed of pursuant to the Agreement and Plan of Merger, by and among DiaSorin S.p.A., Diagonal Subsidiary Inc. and Luminex Corporation (the "Issuer"), dated April 11, 2021 (the "Merger Agreement"), whereby each outstanding share of the Issuer's common stock was cancelled at the effective time (the "Effective Time") of the merger (the "Merger") and converted into the right to receive a cash payment of $37.00 per share. ( 2 )This total includes 904 dividend equivalent shares acquired from the Issuer as follows: 155 shares on 07/09/20, 229 shares on 10/15/20, 207 shares on 01/14/21, 157 shares on 04/15/21, and 156 shares on 07/08/21. ( 3 )Disposed of pursuant to the Merger Agreement, whereby unvested restricted stock units ("Company RSUs") which were outstanding as of immediately prior to the Effective Time fully vested, and each Company RSU that was outstanding immediately prior to the Effective Time was canceled at the Effective Time, in exchange for cash payments in the amount of $37.00 per share (without interest and subject to deduction for any required withholding taxes).

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).

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