Southern First (SFST) HR chief exercises options and sells 2,625 shares

Rhea-AI Filing Summary

Southern First Bancshares Chief Human Resources Officer Silvia T. King exercised stock options for a total of 2,625 shares of common stock on February 26, 2026, at exercise prices of $32.32 and $39.45 per share. On the same day, she executed an open-market sale of 2,625 common shares at an average price of $60.4938 per share. Following these transactions, she directly held 3,963 shares of common stock and 3,500 stock options.

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

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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^*

King Silvia T

(Last) (First) (Middle)

P.O. BOX 17465

(Street)

GREENVILLE SC 29606

(City) (State) (Zip)

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

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Human Resources Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	02/26/2026		M		625	A	$32.32	4,588	D
Common Stock	02/26/2026		M		2,000	A	$39.45	6,588	D
Common Stock	02/26/2026		S		2,625	D	$60.4938	3,963	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
Stock Options (Right to Buy)	$32.32	02/26/2026		M			625	01/15/2020	01/15/2029	Common Stock	625	$0	5,500	D
Stock Options (Right to Buy)	$39.45	02/26/2026		M			2,000	01/19/2022	01/19/2031	Common Stock	2,000	$0	3,500	D

Explanation of Responses:

	Silvia T. King /s/Julie A. Fairchild, POA	02/27/2026
	** 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.

FAQ

What insider transaction did SFST executive Silvia T. King report?

Silvia T. King reported exercising stock options for 2,625 Southern First Bancshares shares and selling 2,625 common shares. All transactions occurred on February 26, 2026, and were reported as direct holdings under open-market and derivative exercise transactions.

How many Southern First (SFST) shares did the CHRO sell in this Form 4?

The Chief Human Resources Officer sold 2,625 shares of Southern First Bancshares common stock. The sale was executed as an open-market transaction at an average price of $60.4938 per share on February 26, 2026, according to the reported Form 4 filing.

At what prices were the SFST stock options exercised by the CHRO?

The CHRO exercised Southern First Bancshares stock options at prices of $32.32 and $39.45 per share. These exercises converted derivative securities into 625 and 2,000 common shares respectively, all on February 26, 2026, before the subsequent sale transaction.

How many Southern First Bancshares shares does the CHRO own after these transactions?

After the reported transactions, the Chief Human Resources Officer directly owns 3,963 shares of Southern First Bancshares common stock. This balance reflects the option exercises and the sale of 2,625 shares completed on February 26, 2026, as disclosed in the Form 4.

How many SFST stock options remain held by the CHRO after the Form 4 activity?

Following the option exercises reported, the CHRO holds 3,500 Southern First Bancshares stock options. These remaining derivative securities are reported as directly owned after exercising 625 options and 2,000 options on February 26, 2026, under code M transactions.

Does the SFST Form 4 show buying or selling activity overall?

The Form 4 shows both option exercises and a net sale of shares. The executive exercised options to acquire common stock, then sold 2,625 shares in an open-market transaction, resulting in mixed activity with a reported net-sell share balance on that date.