SFST director granted 310 restricted stock units

CUBBAGE LEIGHTON M reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

CUBBAGE LEIGHTON M reported acquisition or exercise transactions in this Form 4 filing.

SOUTHERN FIRST BANCSHARES INC director Leighton M. Cubbage received an equity award rather than buying shares on the market. He was granted 310 restricted stock units that carry no purchase price and will fully vest on June 1, 2027.

After this grant, he holds a total of 51,480 shares of Common Stock in direct ownership. This filing reflects routine compensation in stock-based form and does not report any open-market purchases or sales.

Insider Trade Summary

Grant/Award: 310 shares

Grant/Award 1 txn

Insider CUBBAGE LEIGHTON M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	310	$0.00	$0.00

Holdings After Transaction: Common Stock — 51,480 shares (Direct)

Footnotes (1)

1. F1. Represents grant of restricted stock units which will fully vest on June 1, 2027.

Key Figures

Equity award size: 310 restricted stock units Grant price: $0.0000 per unit Post-transaction holdings: 51,480 shares +1 more

4 metrics

Equity award size 310 restricted stock units Grant to director on June 1, 2026

Grant price $0.0000 per unit Restricted stock units granted at no cash cost

Post-transaction holdings 51,480 shares Common Stock directly owned after the grant

Vesting date June 1, 2027 Restricted stock units fully vest on this date

Key Terms

restricted stock units, Common Stock, Grant, award, or other acquisition

3 terms

restricted stock units financial

"Represents grant of restricted stock units which will fully vest on June 1, 2027."

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.

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

FAQ

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

What insider transaction did SFST director Leighton Cubbage report?

Leighton M. Cubbage reported receiving an equity award of 310 restricted stock units. The units were granted at no cost as stock-based compensation and are scheduled to vest in the future, increasing his direct equity stake in Southern First Bancshares.

Was the SFST insider transaction a market purchase or sale of shares?

The transaction was not a market purchase or sale. It was coded as a grant or award, meaning the director received 310 restricted stock units as compensation rather than buying or selling shares in the open market.

When will the newly granted SFST restricted stock units vest?

The 310 restricted stock units granted to the director will fully vest on June 1, 2027. Vesting means the units convert into shares of Common Stock for the insider if he remains eligible through that date.

How many SFST shares does Leighton Cubbage hold after this grant?

Following the grant, Leighton M. Cubbage holds 51,480 shares of Southern First Bancshares Common Stock directly. This total includes the impact of the 310 restricted stock units reported in the current insider transaction.

What does transaction code "A" mean in the SFST Form 4 filing?

Transaction code "A" in this context indicates a grant, award, or other acquisition of equity. For SFST, it reflects the director’s receipt of 310 restricted stock units as stock-based compensation, not a cash purchase of shares.

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

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Accepted by SEC EDGAR 06/02/2026 - 05:27 PM 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^*

CUBBAGE LEIGHTON M

(Last) (First) (Middle)

P.O. BOX 17465

(Street)

GREENVILLE SOUTH CAROLINA 29606

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SOUTHERN FIRST BANCSHARES INC [ SFST ]

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)
06/01/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/01/2026		A		310(1)	A	$0	51,480	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 grant of restricted stock units which will fully vest on June 1, 2027.

	Leighton M. Cubbage /s/Julie A. Fairchild, POA	06/02/2026
	** 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)