MMSI Merit Medical Systems Inc

[ ] 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 * LAMPROPOULOS FRED P	2. Issuer Name and Ticker or Trading Symbol MERIT MEDICAL SYSTEMS INC [ MMSI ]	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) 1600 W MERIT PARKWAY	3. Date of Earliest Transaction (MM/DD/YYYY) 9/6/2019
(Street) SOUTH JORDAN, UT 84095 (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, No Par Value	9/6/2019		S		150000	D	$30.718 (1)	929991	D
Common Stock, No Par Value	9/6/2019		S		11817	D	$30.413 (2)	1269	I	By spouse.
Common Stock, No Par Value								90	I	By spouse as custodian for child.
Common Stock, No Par Value								94815	I	By 401(k) Plan (3)

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
Non-qualified stock options (right to buy)	$12.06							10/4/2015 (4)	10/4/2021	Common Stock	50000.0		50000	D
Non-qualified stock options (right to buy)	$17.27							2/13/2016 (5)	2/13/2022	Common Stock	50000.0		50000	D
Non-qualified stock options (right to buy)	$17.27							2/13/2016 (5)	2/13/2022	Common Stock	5000.0		5000	I	Please refer to footnote number four. (6)
Non-qualified stock options (right to buy)	$16.05							1/28/2017 (7)	1/28/2023	Common Stock	50000.0		50000	D
Non-qualified stock options (right to buy)	$16.05							1/28/2017 (7)	1/28/2023	Common Stock	7500.0		7500	I	Please refer to footnote number four. (6)
Non-qualified stock options (right to buy)	$28.2							4/14/2018 (8)	4/14/2029	Common Stock	200000.0		200000	D
Non-qualified stock options (right to buy)	$28.2							4/14/2018 (8)	4/14/2029	Common Stock	10000.0		10000	I	Please refer to footnote number four. (6)
Non-qualified stock options (right to buy)	$44.8							3/2/2019 (9)	3/2/2025	Common Stock	38002.0		38002	D
Non-qualified stock options (right to buy)	$44.8							3/2/2019 (9)	3/2/2025	Common Stock	10000.0		10000	I	Please refer to footnote number four.
Non-qualified stock options (right to buy)	$55.73							3/1/2020 (10)	3/1/2026	Common Stock	159151.0		159151	D
Non-qualified stock options (right to buy)	$55.73							3/1/2020 (10)	3/1/2026	Common Stock	10000.0		10000	I	Please refer to footnote number four.

Explanation of Responses:
(1)	The price reported in Column 4 of Table 1 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.55 to $31.13, inclusive. The Reporting Person undertakes to provide to Merit Medical Systems, Inc., any security holder of Merit Medical Systems, Inc., 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 Form 4.
(2)	The price reported in Column 4 of Table 1 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.23 to $30.63, inclusive. The Reporting Person undertakes to provide to Merit Medical Systems, Inc., any security holder of Merit Medical Systems, Inc., 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 Form 4.
(3)	Represents plan holdings as of 08/28/2019.
(4)	Becomes exercisable in equal annual installments of 20% commencing 10/04/2015.
(5)	Becomes exercisable in equal annual installments of 20% commencing 02/13/2016.
(6)	Represents derivative securities held by the spouse of the reporting person. The reporting person expressly disclaims beneficial ownership of the securities owned by his spouse.
(7)	Becomes exercisable in equal annual installments of 20% commencing 01/28/2017.
(8)	Becomes exercisable in equal annual installments of 20% commencing 04/14/2018.
(9)	Becomes exercisable in equal annual installments of 20% commencing 03/02/2019.
(10)	Becomes exercisable in equal annual installments of 20% commencing 03/01/2020.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
LAMPROPOULOS FRED P 1600 W MERIT PARKWAY SOUTH JORDAN, UT 84095	X		President & CEO

Signatures
Brian G. Lloyd, Attorney-in-Fact		9/9/2019
**Signature of Reporting Person		Date

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).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

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