Simmons First director reports RSU vesting and grant

Simmons First National Corp. director Julie L. Stackhouse reported compensation-related equity activity.

Rhea-AI Filing Summary

Simmons First National Corp. director Julie L. Stackhouse reported compensation-related equity activity. On May 15, 2026, 975 Restricted Stock Units vested and were exercised into 975 shares of SFNC common stock, increasing her directly held common shares to 18,043.

She also received a new grant of 3,901 Restricted Stock Units, each representing a contingent right to one SFNC common share. Footnotes state that additional RSU tranches of 975, 975 and 976 units are scheduled to vest between July 2026 and January 2027, with shares delivered within 30 days of each vesting event.

Insider Trade Summary

975 shares exercised/converted

Exercise 3 txns

Insider STACKHOUSE JULIE L

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 — 18,043 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

Common shares acquired via RSU vesting: 975 shares Common shares held after transaction: 18,043 shares New RSU grant: 3,901 units +2 more

5 metrics

Common shares acquired via RSU vesting 975 shares Restricted Stock Units converted to SFNC common stock on May 15, 2026

Common shares held after transaction 18,043 shares Direct SFNC common stock holdings following May 15, 2026 exercise

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

RSU tranche vesting size 975 units Individual RSU tranches scheduled to vest on multiple 2026 dates

Final RSU tranche 976 units RSUs vesting on January 4, 2027 with share delivery within 30 days

Key Terms

Restricted Stock Units, contingent right, vest, derivative security

4 terms

Restricted Stock Units financial

"975 Restricted Stock Units vest on May 15, 2026; 975 Restricted Stock Units vest 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.

contingent right financial

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

vest financial

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

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

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.

FAQ

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

What insider transactions did SFNC director Julie Stackhouse report?

Julie L. Stackhouse reported equity compensation activity, not open-market trading. 975 Restricted Stock Units vested and converted into 975 SFNC common shares, and she received a new grant of 3,901 Restricted Stock Units, each convertible one-for-one into common stock upon future vesting.

How many SFNC common shares does Julie Stackhouse hold after the May 2026 transactions?

After the May 15, 2026 transactions, Julie L. Stackhouse directly holds 18,043 shares of SFNC common stock. This reflects the addition of 975 shares from vested Restricted Stock Units converting into common shares as part of her equity compensation program.

What new Restricted Stock Units did SFNC grant to Julie Stackhouse?

Simmons First National Corp. granted Julie L. Stackhouse 3,901 new Restricted Stock Units. Each unit represents a contingent right to receive one share of SFNC common stock, with delivery occurring within 30 days after the specified vesting conditions are met under the award agreement.

When do Julie Stackhouse’s SFNC Restricted Stock Units vest?

Footnotes state that 975 RSUs vested on May 15, 2026. Additional tranches of 975 RSUs vest on July 1, 2026 and October 1, 2026, and 976 RSUs vest on January 4, 2027, with shares delivered within 30 days after each vesting date.

Were there any SFNC insider share sales reported in this Form 4?

No share sales were reported. The Form 4 reflects RSU vesting, conversion of 975 RSUs into 975 SFNC common shares, and a new grant of 3,901 RSUs. All reported transactions are classified as acquisitions or derivative exercises, not dispositions or open-market sales.

How do SFNC Restricted Stock Units convert into common stock for Julie Stackhouse?

Each SFNC Restricted Stock Unit converts into one share of SFNC common stock. Footnotes explain that RSUs represent a contingent right to receive shares, which are delivered within 30 days after vesting or upon earlier qualifying events specified in the award agreement.

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^*

STACKHOUSE JULIE L

(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)	18,043	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 Julie L. Stackhouse	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.
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* Form 4: SEC 1474 (03-26)