Form Type: 4

Accession Number:0001033905-20-000119
Original Submission Date:

Reporting Person:

AUSTIN, TX 78727

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
COMMON STOCK 2020-08-04 S 50,000 d $39.02 450,441 direct
COMMON STOCK 0 $0.00 709,415 indirect f3
COMMON STOCK 0 $0.00 96,614 indirect f3
COMMON STOCK 0 $0.00 428,520 indirect f3
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
f1 this sale is being made pursuant to a trading plan intended to comply with rule 10b5-1, adopted by the seller on may 27,2020 for shares acquired as founder's stock prior to the ipo on march 30, 2000. 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.
f2 the price reported in column 4 is a weighted average price. these shares were sold in multiple transactions at prices ranging from $38.95 to $39.19 inclusive. mr. loewenbaum undertakes to provide to luminex corporation, any security holder of luminex corporation, or the staff of the securities and exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this form 4.
f3 the reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of section 16 or for any other purpose.

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