Southern First director granted 310 RSUs

COTHRAN MARK A reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

COTHRAN MARK A reported acquisition or exercise transactions in this Form 4 filing.

Southern First Bancshares director Mark A. Cothran received an equity award of 310 shares tied to restricted stock units. The grant was made at a stated price of $0.00 per share as a form of compensation, not an open-market purchase.

According to the filing footnote, these restricted stock units will fully vest on June 1, 2027, meaning Mr. Cothran earns the shares over time. After this award, he directly holds a total of 100,386 shares of common stock, so the grant represents a small incremental increase in his overall position.

Insider Trade Summary

Grant/Award: 310 shares

Grant/Award 1 txn

Insider COTHRAN MARK A

Role Director

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

Holdings After Transaction: Common Stock — 100,386 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 shares Grant price: $0.00 per share Post-transaction holdings: 100,386 shares +2 more

5 metrics

Equity award size 310 shares Restricted stock unit grant on June 1, 2026

Grant price $0.00 per share Stated transaction price for RSU-related shares

Post-transaction holdings 100,386 shares Common stock directly held after the award

Vesting date June 1, 2027 RSUs from this grant fully vest on this date

Acquire transactions 1 transaction Filing shows one grant/award acquisition event

Key Terms

restricted stock units, fully vest, 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.

fully vest financial

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

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 Southern First (SFST) report for Mark A. Cothran?

Southern First reported that director Mark A. Cothran received an award of 310 shares of common stock through restricted stock units. The award is compensation-based and was not an open-market stock purchase or sale.

At what price were the 310 SFST shares granted to Mark A. Cothran?

The filing lists the 310 shares at a transaction price of $0.00 per share. This reflects a compensation grant, not a market trade, so Cothran did not pay cash to acquire these shares.

When do Mark A. Cothran’s new SFST restricted stock units vest?

The footnote states that the restricted stock units granted to Mark A. Cothran will fully vest on June 1, 2027. Vesting means he will earn the underlying shares if he meets the service conditions through that date.

How many SFST shares does Mark A. Cothran hold after this grant?

After receiving the 310-share equity award, Mark A. Cothran directly holds 100,386 shares of Southern First Bancshares common stock. This shows the new grant is a relatively small addition to his existing ownership stake.

Was the SFST insider transaction a buy or sell in the open market?

No, the SFST insider transaction was not an open-market buy or sell. It is classified as a grant or award acquisition, reflecting restricted stock unit compensation rather than a discretionary stock trade.

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

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Accepted by SEC EDGAR 06/02/2026 - 05:00 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^*

COTHRAN MARK A

(Last) (First) (Middle)

PO 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	100,386	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.

	Mark A. Cothran /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)