STOCK TITAN

Simmons First (SFNC) director gains shares as 1,215 RSUs vest

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Simmons First National Corp director Marty Casteel exercised previously granted Restricted Stock Units, converting 1,215 RSUs into the same number of shares of SFNC common stock at an exercise price of $0.00 per share. His direct common stock holdings increased to 218,748 shares after this transaction.

The RSUs vested on April 1, 2026 and convert into common stock on a one-for-one basis. Additional tranches of 1,215 Restricted Stock Units are scheduled to vest on July 1, 2026 and October 1, 2026, with SFNC shares to be delivered within 30 days of each vesting date, subject to earlier vesting upon specified events in the award agreement.

Positive

  • None.

Negative

  • None.
Insider Casteel Marty
Role Director
Type Security Shares Price Value
Exercise Restricted Stock Units 1,215 $0.00 --
Exercise SFNC Common Stock 1,215 $0.00 --
Holdings After Transaction: Restricted Stock Units — 2,430 shares (Direct); SFNC Common Stock — 218,748 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 April 1, 2026. 1,215 Restricted Stock Units vest on July 1, 2026; and 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.
RSUs exercised 1,215 units Restricted Stock Units converted into SFNC common stock on April 1, 2026
Common shares after transaction 218,748 shares Director’s direct SFNC common stock holdings following April 1, 2026 vesting
Exercise price $0.00 per share Stated price per share for RSU conversion to SFNC common stock
Future RSUs vesting July 1, 2026 1,215 units Restricted Stock Units scheduled to vest on July 1, 2026
Future RSUs vesting October 1, 2026 1,215 units Restricted Stock Units scheduled to vest on October 1, 2026
Restricted Stock Units financial
"Restricted Stock Units convert into shares of SFNC common stock on a one-for-one basis."
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.
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.
vested financial
"The Restricted Stock Units vested on April 1, 2026."
SFNC common stock financial
"Restricted Stock Units convert into shares of SFNC common stock on a one-for-one basis."
award agreement financial
"other specified events in the award agreement may result in earlier vesting."
An award agreement is a legal contract that spells out the terms of a pay or equity grant—such as stock options, restricted shares, or cash bonuses—given to an employee, director or consultant. It describes what is being granted, any conditions for keeping it (for example, earning it over time or meeting performance targets), and what happens if the person leaves or breaks rules. Investors care because these agreements affect company costs, potential share dilution and how executives are motivated and rewarded.
SEC Form 4
FORM 4UNITED 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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
SFNC Common Stock04/01/2026M1,215A(1)218,748D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)04/01/2026M1,215 (2) (2)SFNC Common Stock1,215$02,430(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 April 1, 2026.
3. 1,215 Restricted Stock Units vest on July 1, 2026; and 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.
/s/ Natalie Gassiott, attorney-in-fact for Marty Casteel04/03/2026
** Signature of Reporting PersonDate
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)

FAQ

What insider transaction did SFNC director Marty Casteel report?

Marty Casteel reported exercising Restricted Stock Units to acquire 1,215 shares of SFNC common stock at $0.00 per share. This reflects routine equity compensation vesting rather than an open-market purchase, increasing his direct ownership in the company.

How many Simmons First (SFNC) shares does Marty Casteel hold after this filing?

After the RSU conversion, Marty Casteel directly holds 218,748 shares of SFNC common stock. This total reflects his position following the April 1, 2026 vesting of 1,215 Restricted Stock Units into an equal number of common shares.

What are Restricted Stock Units in the context of SFNC’s Form 4 filing?

In this filing, Restricted Stock Units are share-based awards that convert into SFNC common stock on a one-for-one basis. They vest over time, and once vested, deliver actual shares to the director, aligning compensation with long-term shareholder interests.

When did the reported SFNC Restricted Stock Units vest for Marty Casteel?

The Restricted Stock Units covered in this Form 4 vested on April 1, 2026. Upon vesting, they converted into 1,215 shares of SFNC common stock, which were added to Casteel’s direct holdings as part of his equity compensation package.

Are there additional SFNC Restricted Stock Units scheduled to vest for Marty Casteel?

Yes. Footnotes show 1,215 Restricted Stock Units vest on July 1, 2026 and another 1,215 vest on October 1, 2026. SFNC shares will be delivered within 30 days of each vesting date, subject to certain earlier-vesting events.

Was this SFNC Form 4 transaction an open-market buy or routine vesting?

The transaction reflects exercise or conversion of a derivative security, not an open-market buy or sell. Casteel received 1,215 shares through vesting of Restricted Stock Units at a stated price of $0.00 per share as part of compensation.