Simmons First director exercises 2,190 RSUs

Simmons First National Corp director Marty Casteel reported routine equity compensation activity.

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Form Type

Rhea-AI Filing Summary

Simmons First National Corp director Marty Casteel reported routine equity compensation activity. On July 1, 2026, 2,190 Restricted Stock Units converted on a one-for-one basis into the same number of shares of SFNC common stock at no cash cost, reflecting vesting of prior awards.

Footnotes state that 1,215 additional Restricted Stock Units are scheduled to vest on October 1, 2026, with SFNC shares delivered within 30 days, and further tranches of 975 and 976 units are scheduled to vest on October 1, 2026 and January 4, 2027, respectively, subject to earlier vesting upon specified events.

Insider Trade Summary

2,190 shares exercised/converted

Exercise 4 txns

Insider Casteel Marty

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	1,215	$0.00	$0.00
Exercise	Restricted Stock Units	975	$0.00	$0.00
Exercise	SFNC Common Stock	1,215	$0.00	$0.00
Exercise	SFNC Common Stock	975	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 3,166 contracts (Direct); SFNC Common Stock — 221,913 shares (Direct)

Footnotes (4)

F1. Restricted Stock Units convert into shares of SFNC common stock on a one-for-one basis.
F2. The Restricted Stock Units vested on July 1, 2026.
F3. 1,215 Restricted Stock Units vest on October 1, 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.
F4. 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 shares: 2,190 shares Exercise price per RSU: $0.0000 per share RSUs vesting on October 1, 2026: 1,215 units +2 more

5 metrics

RSUs converted to shares 2,190 shares Restricted Stock Units converting one-for-one into SFNC common stock on July 1, 2026

Exercise price per RSU $0.0000 per share Conversion of RSUs into SFNC common stock at no cash cost

RSUs vesting on October 1, 2026 1,215 units Scheduled RSU vesting with SFNC shares delivered within 30 days

Additional RSUs vesting October 1, 2026 975 units Future RSU vesting with delivery of SFNC shares within 30 days

RSUs vesting January 4, 2027 976 units Future RSU vesting with SFNC share delivery within 30 days

Key Terms

Restricted Stock Units, convert into shares, vest on October 1, 2026, delivered within 30 days of vesting

4 terms

Restricted Stock Units financial

"The Restricted Stock Units vested on July 1, 2026."

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.

convert into shares financial

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

vest on October 1, 2026 financial

"1,215 Restricted Stock Units vest on October 1, 2026."

delivered within 30 days of vesting financial

"SFNC shares will be delivered within 30 days of vesting."

FAQ

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

What insider transaction did SFNC director Marty Casteel report?

Marty Casteel reported the vesting of 2,190 Restricted Stock Units that converted into the same number of Simmons First National Corp (SFNC) common shares at no cash cost, reflecting routine equity compensation rather than an open-market stock purchase or sale.

How many SFNC shares did Marty Casteel acquire through RSU vesting?

Casteel acquired 2,190 Simmons First National Corp (SFNC) common shares when 2,190 Restricted Stock Units vested on July 1, 2026. The RSUs convert into shares on a one-for-one basis, so each unit delivered one share without requiring any cash payment per share.

Were Marty Casteel’s SFNC transactions open-market buys or sells?

The reported SFNC transactions were not open-market buys or sells. They were coded as derivative exercises (M), reflecting Restricted Stock Units vesting and converting into common shares at a zero exercise price, typical of stock-based compensation awards granted by the company.

What future SFNC Restricted Stock Unit vesting is disclosed for Marty Casteel?

Footnotes disclose that 1,215 Restricted Stock Units vest on October 1, 2026, and additional tranches of 975 and 976 units vest on October 1, 2026 and January 4, 2027. SFNC shares will be delivered within 30 days of each vesting date, absent earlier vesting events.

Do the SFNC Restricted Stock Units convert into common stock one-for-one?

Yes. The filing states that the Restricted Stock Units convert into shares of Simmons First National Corp (SFNC) common stock on a one-for-one basis. This means each vested unit delivers exactly one SFNC share when it settles following the specified vesting dates.

Are there conditions that might accelerate SFNC RSU vesting for Marty Casteel?

Yes. The footnotes explain that events such as retirement, death, disability, and other specified events in the award agreement may result in earlier vesting of the SFNC Restricted Stock Units than the scheduled vesting dates, potentially changing when the related common shares are delivered.

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 07/02/2026 - 03:50 PM

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^*

Casteel Marty

(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)
07/01/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
SFNC Common Stock	07/01/2026		M		1,215	A	⁽¹⁾	220,938	D
SFNC Common Stock	07/01/2026		M		975	A	⁽¹⁾	221,913	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	07/01/2026		M			1,215	⁽²⁾	⁽²⁾	SFNC Common Stock	1,215	$0	1,215⁽³⁾	D
Restricted Stock Units	⁽¹⁾	07/01/2026		M			975	⁽²⁾	⁽²⁾	SFNC Common Stock	975	$0	1,951⁽⁴⁾	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 July 1, 2026.

3. 1,215 Restricted Stock Units vest on October 1, 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.

4. 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/ Ambar Quintanilla attorney-in-fact for Marty Casteel	07/02/2026
	** 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)

Source: View Original Filing on SEC EDGAR