SEC FORM 4

SEC FORM 4 SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lampropoulos Fred P.

(Last)

(First)

(Middle)

1600 WEST MERIT PARKWAY

(Street)

SOUTH JORDAN

84095

(City)

(State)

(Zip)

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 and CEO

3. Date of Earliest Transaction (Month/Day/Year)
08/29/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

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. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, No Par Value								97,909	I	By 401(k) Plan⁽¹⁾
Common Stock, No Par Value								90	I	By spouse as custodian for child⁽²⁾
Common Stock, No Par Value	08/29/2025		M/K		159,151	A	$55.73	1,204,779	D
Common Stock, No Par Value	08/29/2025		F/K		124,824⁽³⁾	D	$90.54	1,079,955	D
Common Stock, No Par Value	08/29/2025		M/K		2,000	A	$55.73	9,734.258	I	By spouse⁽²⁾
Common Stock, No Par Value	08/29/2025		F/K		1,454⁽⁴⁾	D	$90.54	8,280.258	I	By spouse

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Non-qualified stock options (right to buy)	$55.73	08/29/2025		M/K			159,151	03/01/2020⁽⁵⁾	03/01/2026	Common Stock	159,151	$0	0	D
Non-qualified stock options (right to buy)	$55.73	08/29/2025		M/K			2,000	03/01/2020⁽⁶⁾	03/01/2026	Common Stock	2,000	$0	0	I	By spouse⁽²⁾
Non-qualified stock options (right to buy)	$37.71							02/26/2021⁽⁷⁾	02/26/2027	Common Stock	100,334		100,334	D
Non-qualified stock options (right to buy)	$56.25							03/19/2022⁽⁸⁾	03/19/2028	Common Stock	58,083		58,083	D
Non-qualified stock options (right to buy)	$70.58							02/28/2024⁽⁹⁾	02/28/2030	Common Stock	54,302		54,302	D

Explanation of Responses:

1. The 401(k) number represents plan holdings as of 08/29/2025.

2. Represents securities held by the spouse of the Reporting Person. The Reporting Person expressly disclaims beneficial ownership of the securities owned by his spouse.

3. The Reporting Person surrendered 124,824 shares of common stock to the Issuer for payroll taxes and payment of the option price. No shares were sold in the open market.

4. The Reporting Person's spouse surrendered 1,454 shares of common stock to the Issuer for payroll taxes and payment of the option price. No shares were sold in the open market.

5. Becomes exercisable in equal annual installments of 20% commencing 3/1/2020.

6. Original grant of 10,000 options was to become vested and exercisable in equal annual installments of 20% commencing 3/1/2020. Options not vested as of 6/22/2020 have been forfeited.

7. Becomes exercisable in equal annual installments of 25% commencing 2/26/2021.

8. Becomes exercisable in equal annual installments of 25% commencing 3/19/2022.

9. Becomes exercisable in equal annual installments of 25% commencing 2/28/2024.

	/s/ Brian G. Lloyd, Attorney-in-Fact	09/03/2025
	** 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 Number.

President and CEO Lampropoulos Fred P. increased direct ownership by 3% to 1,079,955 units (SEC Form 4)