SFNC director acquires shares via RSU vesting

Simmons First National Corp director Mark C. Doramus increased his equity-based holdings through compensation-related awards.

Rhea-AI Filing Summary

Simmons First National Corp director Mark C. Doramus increased his equity-based holdings through compensation-related awards. He acquired 975 shares of SFNC common stock on May 15, 2026 upon the exercise of Restricted Stock Units that convert into common shares on a one-for-one basis, bringing his direct common stock holdings to 59,512 shares.

He also received a grant of 3,901 new Restricted Stock Units, each representing a contingent right to one share of SFNC common stock, resulting in 3,901 Restricted Stock Units outstanding after the grant. Vesting for these units is scheduled in multiple tranches through January 4, 2027, with SFNC shares delivered within 30 days of each vesting date.

Insider Trade Summary

975 shares exercised/converted

Exercise 3 txns

Insider DORAMUS MARK C

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	3,901	$0.00	$0.00
Exercise	Restricted Stock Units	975	$0.00	$0.00
Exercise	SFNC Common Stock	975	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 2,926 contracts (Direct); SFNC Common Stock — 59,512 shares (Direct)

Footnotes (5)

1. F1. Restricted Stock Units convert into shares of SFNC common stock on a one-for-one basis.
2. F2. Each Restricted Stock Unit represents a contingent right to receive one share of SFNC common stock.
3. F3. 975 Restricted Stock Units vest on May 15, 2026; 975 Restricted Stock Units vest on July 1, 2026; 975 Restricted Stock Units vest on October 1, 2026; and 976 Restricted Stock Units vest on January 4, 2027. SFNC shares will be delivered within 30 days of vesting. Events such as retirement, death, disability, and other specified events in the award agreement may result in earlier vesting.
4. F4. The Restricted Stock Units vested on May 15, 2026.
5. F5. 975 Restricted Stock Units vest on July 1, 2026; 975 Restricted Stock Units vest on October 1, 2026; and 976 Restricted Stock Units vest on January 4, 2027. SFNC shares will be delivered within 30 days of vesting. Events such as retirement, death, disability, and other specified events in the award agreement may result in earlier vesting.

Key Figures

RSUs converted to common stock: 975 shares New RSU grant: 3,901 units Common shares held after transactions: 59,512 shares +2 more

5 metrics

RSUs converted to common stock 975 shares Restricted Stock Units converting into SFNC common stock on May 15, 2026

New RSU grant 3,901 units Restricted Stock Units granted representing contingent rights to SFNC common stock

Common shares held after transactions 59,512 shares Direct SFNC common stock holdings following RSU conversion

RSUs held after grant 3,901 units Outstanding Restricted Stock Units convertible into SFNC common stock

RSU vesting end date January 4, 2027 Final scheduled vesting date for RSU tranches, with share delivery within 30 days

Key Terms

Restricted Stock Units, derivative security, contingent right

3 terms

Restricted Stock Units financial

"Restricted Stock Units convert into shares of SFNC common stock on a one-for-one basis."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

contingent right financial

"Each Restricted Stock Unit represents a contingent right to receive one share of SFNC common stock."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Mark C. Doramus report for SIMMONS FIRST NATIONAL CORP (SFNC)?

Mark C. Doramus reported compensation-related acquisitions only. He acquired 975 SFNC common shares via Restricted Stock Unit conversion and received a new grant of 3,901 Restricted Stock Units, all held directly, with no open-market purchases or sales disclosed.

How many SIMMONS FIRST NATIONAL CORP (SFNC) shares does Mark C. Doramus hold after this Form 4?

After these transactions, Mark C. Doramus holds 59,512 SFNC common shares directly. He also holds 3,901 Restricted Stock Units, each representing a contingent right to receive one additional share of SFNC common stock upon vesting and settlement.

What Restricted Stock Unit grant did Mark C. Doramus receive from SIMMONS FIRST NATIONAL CORP (SFNC)?

He received a grant of 3,901 Restricted Stock Units tied to SFNC common stock. Each unit represents a contingent right to one share, with vesting scheduled in several tranches through January 4, 2027, followed by share delivery within 30 days after each vesting date.

How did Restricted Stock Units convert into SIMMONS FIRST NATIONAL CORP (SFNC) shares in this filing?

975 Restricted Stock Units converted into 975 SFNC common shares on a one-for-one basis when the units vested. The Form 4 notes that each Restricted Stock Unit converts into one share of SFNC common stock, increasing the director’s direct common share holdings.

What is the vesting schedule for Mark C. Doramus’s SIMMONS FIRST NATIONAL CORP (SFNC) Restricted Stock Units?

Footnotes describe multiple vesting dates: tranches of 975 units vest on July 1, 2026 and October 1, 2026, and 976 units vest on January 4, 2027. SFNC delivers common shares within 30 days after each vesting event, subject to certain award agreement conditions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/19/2026 - 10:36 AM EDT Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

DORAMUS MARK C

(Last) (First) (Middle)

C/O SIMMONS FIRST NATIONAL CORP.

501 MAIN STREET

(Street)

PINE BLUFF ARKANSAS 71601

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SIMMONS FIRST NATIONAL CORP [ SFNC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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
SFNC Common Stock	05/15/2026		M		975	A	(1)	59,512	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
Restricted Stock Units	(2)	05/15/2026		A		3,901		(3)	(3)	SFNC Common Stock	3,901	$0	3,901	D
Restricted Stock Units	(1)	05/15/2026		M			975	(4)	(4)	SFNC Common Stock	975	$0	2,926(5)	D

Explanation of Responses:

1. Restricted Stock Units convert into shares of SFNC common stock on a one-for-one basis.

2. Each Restricted Stock Unit represents a contingent right to receive one share of SFNC common stock.

3. 975 Restricted Stock Units vest on May 15, 2026; 975 Restricted Stock Units vest on July 1, 2026; 975 Restricted Stock Units vest on October 1, 2026; and 976 Restricted Stock Units vest on January 4, 2027. SFNC shares will be delivered within 30 days of vesting. Events such as retirement, death, disability, and other specified events in the award agreement may result in earlier vesting.

4. The Restricted Stock Units vested on May 15, 2026.

5. 975 Restricted Stock Units vest on July 1, 2026; 975 Restricted Stock Units vest on October 1, 2026; and 976 Restricted Stock Units vest on January 4, 2027. SFNC shares will be delivered within 30 days of vesting. Events such as retirement, death, disability, and other specified events in the award agreement may result in earlier vesting.

	/s/ Natalie Gassiott, attorney-in-fact for Mark C. Doramus	05/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)