SFNC Director Buys 5,400 Shares at $18.50, Boosts Stake to 213.9k

Insider buy: Director Marty Casteel purchased 5,400 shares of Simmons First National Corp. (SFNC) common stock on 07/23/2025 at the public-offering price of $18.50 per share through the company’s directed share program.

Rhea-AI Filing Summary

Insider buy: Director Marty Casteel purchased 5,400 shares of Simmons First National Corp. (SFNC) common stock on 07/23/2025 at the public-offering price of $18.50 per share through the company’s directed share program.

This Form 4 filing (submitted 07/24/2025) raises Casteel’s direct holdings to 213,901 shares. No derivative security transactions were reported. The filing indicates continued board-level ownership participation during an underwritten equity offering.

Positive

• Director increased direct holdings by 5,400 shares, signalling confidence during the company’s equity offering.
• Purchase price matches public offering price ($18.50), aligning insider and shareholder interests.

Negative

• None.

Insights

Financial Analyst

TL;DR: Board member’s $100k+ purchase boosts stake to 213.9k shares; a modest but positive signal of insider conviction.

The director’s acquisition cost totals about $99,900 (5,400 × $18.50). Because the buy coincides with the public offering, it demonstrates willingness to commit personal capital at the same terms as external investors, slightly mitigating dilution optics. The absence of sales or derivative exercises reinforces a net increase in insider ownership—often interpreted favourably by the market. However, the size represents < 3% of Casteel’s existing position and is not large enough to materially alter ownership structure. Overall impact is positive but incremental.

Insider Trade Summary

Net Buyer: 5,400 shares

Net Buy 1 txn

Insider Casteel Marty

Role Director

Bought 5,400 shs ($100K)

Type	Security	Shares	Price	Value
Purchase	SFNC Common Stock	5,400	$18.50	$100K

Holdings After Transaction: SFNC Common Stock — 213,901 shares (Direct)

Footnotes (1)

1. F1. Represents shares purchased through a directed share program in connection with the underwritten public offering of SFNC common stock. These shares were purchased at the public offering price of $18.50 per share.

FAQ

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

When did SFNC director Marty Casteel buy additional shares?

The purchase occurred on 07/23/2025.

How many SFNC shares were acquired in this Form 4 filing?

A total of 5,400 common shares were acquired.

What was the purchase price for the shares?

Shares were bought at the public-offering price of $18.50 per share.

What is Marty Casteel’s total direct ownership after the transaction?

Following the purchase, Casteel owns 213,901 SFNC shares directly.

Were any derivative securities involved?

No. No derivative security transactions were reported in this Form 4.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 07/24/2025 - 05:53 PM 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).

1. Name and Address of Reporting Person^*

Casteel Marty

(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)
07/23/2025

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	07/23/2025		P		5,400	A	$18.5(1)	213,901	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 shares purchased through a directed share program in connection with the underwritten public offering of SFNC common stock. These shares were purchased at the public offering price of $18.50 per share.

	/s/ Natalie Gassiott, attorney-in-fact for Marty Casteel	07/24/2025
	** 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.