[Form 4] SIMMONS FIRST NATIONAL CORP Insider Trading Activity

Rhea-AI Filing Summary

Edward Drilling, a director of Simmons First National Corp (SFNC), reported a transaction where 929 restricted stock units (RSUs) vested on 10/01/2025 and were reported as acquired. The filing shows 928 additional RSUs scheduled to vest on 01/02/2026, with SFNC shares to be delivered within 30 days of vesting. Following the reported transaction, Mr. Drilling beneficially owns 37,593 shares of SFNC common stock. The Form 4 was signed by an attorney-in-fact on behalf of Mr. Drilling and dated 10/03/2025.

Insights

Corporate Governance Specialist

Director received vested RSUs increasing reported ownership.

The Form 4 discloses that 929 RSUs vested on 10/01/2025 and were recorded as acquired, which increases the director's reported beneficial ownership to 37,593 shares.

This filing is a routine disclosure of equity compensation vesting by an insider and reflects standard reporting under Section 16; it confirms timing and quantities of equity delivery without indicating other transactional activity.

Executive Compensation Analyst

RSU schedule shows near-term and staggered vesting.

The report notes an additional 928 RSUs vesting on 01/02/2026 with shares deliverable within 30 days of vesting, indicating staggered delivery of equity compensation.

That vesting schedule is explicit in the award terms referenced in the filing and may affect the director's near-term share count when those RSUs convert to common stock.

Insider Trade Summary

929 shares exercised/converted

Mixed 2 txns

Insider DRILLING EDWARD

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	929	$0.00	--
Exercise	SFNC Common Stock	929	$0.00	--

Holdings After Transaction: Restricted Stock Units — 928 shares (Direct); SFNC Common Stock — 37,593 shares (Direct)

Footnotes (1)

1. Restricted Stock Units convert into shares of SFNC common stock on a one-for-one basis. The Restricted Stock Units vested on October 1, 2025. 928 Restricted Stock Units vest on January 2, 2026. 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.

Form 4 Insider Transactions: What Each Field Means →

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).

1. Name and Address of Reporting Person^*

DRILLING EDWARD

(Last) (First) (Middle)

C/O SIMMONS FIRST NATIONAL CORP.

501 MAIN STREET

(Street)

PINE BLUFF AR 71601

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

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
SFNC Common Stock	10/01/2025		M		929	A	(1)	37,593	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	(1)	10/01/2025		M			929	(2)	(2)	SFNC Common Stock	929	$0	928(3)	D

Explanation of Responses:

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

2. The Restricted Stock Units vested on October 1, 2025.

3. 928 Restricted Stock Units vest on January 2, 2026. 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 Edward Drilling	10/03/2025
	** 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).
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