Initial Statement of Beneficial Ownership (Form 3)

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 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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(Print or Type Responses)

1. Name and Address of Reporting Person * Jackson Brian J. 2. Date of Event Requiring Statement (Month/Day/Year) 01/31/2026 3. Issuer Name and Ticker or Trading Symbol SIMMONS FIRST NATIONAL CORP [SFNC] (Last) (First) (Middle) C/O SIMMONS FIRST NATIONAL CORP., 501 MAIN STREET 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) PINE BLUFF, AR 71601 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) SFNC Common Stock 0 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	(1)	SFNC Common Stock	7,356	(2)	D
Restricted Stock Units	(3)	(3)	SFNC Common Stock	17,216	(2)	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Jackson Brian J. C/O SIMMONS FIRST NATIONAL CORP. 501 MAIN STREET PINE BLUFF, AR 71601			EVP

Signatures

/s/ Ambar Quintanilla, attorney-in-fact for Brian J. Jackson		03/10/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
(1)	2,452 Restricted Stock Units vest on January 31, 2027; 2,452 Restricted Stock Units vest on January 31, 2028; and 2,452 Restricted Stock Units vest on January 31, 2029. SFNC shares will be delivered within 30 days of vesting. Events such as retirement, death, disability, and other specified events in the agreement may result in earlier vesting.
(2)	Each Restricted Stock Unit represents a contingent right to receive one share of Simmons First National Corporation common stock.
(3)	3,443 Restricted Stock Units vest on January 31, 2027; 3,443 Restricted Stock Units vest on January 31, 2028; 3,443 Restricted Stock Units vest on January 31, 2029; 3,443 Restricted Stock Units vest on January 31, 2030; and 3,444 Restricted Stock Units vest on January 31, 2031. SFNC shares will be delivered within 30 days of vesting. Events such as retirement, death, disability, and other specified events in the agreement may result in earlier vesting.
Remarks: Exhibit 24 - Power of Attorney

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