[Form 4] MERIT MEDICAL SYSTEMS INC Insider Trading Activity

Rhea-AI Filing Summary

Martha Goldberg Aronson, President and CEO of Merit Medical Systems, Inc. (MMSI), received a grant of 19,594 restricted stock units (RSUs) on 10/03/2025. The RSUs were granted at a reported price of $0 and represent the contingent right to receive one share of common stock per RSU upon vesting. The award vests in three equal annual installments on each of the first three anniversaries of the grant date, subject to continued service. After the grant, the reporting person is shown as beneficially owning 19,594 shares directly. The Form 4 was submitted via attorney-in-fact on 10/07/2025.

Positive

• 19,594 RSUs align the CEO's compensation with shareholder interests through time‑based equity
• Three‑year vesting encourages retention and ties payoff to continued service

Negative

• Potential dilution from issuance of up to 19,594 shares as RSUs vest
• Grant price reported as $0 indicates no cash paid for the RSUs and means shares will be issued upon vesting without purchase

Insights

Compensation Analyst

Executive received time‑based RSUs that vest over three years, aligning pay with retention and future share delivery.

The award of 19,594 RSUs vests in three equal annual installments, so the executive will receive roughly 6,531 shares each year if service conditions are met. These are time‑based equity awards that convert to one share per RSU on vesting and therefore deliver actual shares rather than cash.

Retention and alignment are the primary effects, while the company will see incremental share issuance on each vesting date. Investors should note the three‑year vesting schedule as the relevant horizon for potential dilution and executive retention effects.

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

OMB APPROVAL

OMB Number:			3235-0287
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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^*

Aronson Martha Goldberg

(Last) (First) (Middle)

1600 WEST MERIT PARKWAY

(Street)

SOUTH JORDAN UT 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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
10/03/2025

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock, No Par Value	10/03/2025		A		19,594(1)	A	$0	19,594	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 (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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents a grant of restricted stock units ("RSUs"). The RSUs vest in three equal annual installments on each of the first three anniversaries of the grant date, subject to the Reporting Person's continued service through the applicable vesting date. Each RSU represents the contingent right to receive one share of Common Stock upon vesting.

	/s/ Brian G. Lloyd, Attorney-in-Fact	10/07/2025
	** 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.

FAQ

What did MMSI insider Martha Goldberg Aronson receive on 10/03/2025?

She received 19,594 restricted stock units (RSUs) that convert to one share per RSU upon vesting.

How do the RSUs awarded to the MMSI CEO vest?

The RSUs vest in three equal annual installments on each of the first three anniversaries of the grant date, subject to continued service.

Will the RSU grant cause immediate cash proceeds to the CEO?

No. The RSUs were granted at a reported price of $0, so no cash was paid; shares are issued only upon vesting.

How many shares will be issued if all RSUs vest?

If all RSUs vest, up to 19,594 shares will be issued to the reporting person.

When was the Form 4 filed for this transaction?

The Form 4 lists the transaction date as 10/03/2025 and was signed by attorney‑in‑fact on 10/07/2025.