Southside Bancshares (SBSI) director reports 556-share common stock sale

Rhea-AI Filing Summary

Southside Bancshares director Lee R. Gibson reported a share transaction dated February 6, 2026. The filing shows the disposition of 556 shares of common stock at $33.55 per share, coded as an "F" transaction. After this, Gibson directly holds 54,302 common shares, plus indirect holdings of 31,329 shares through an ESOP and 8,567 shares through a 401k SSB Trust.

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^*

GIBSON LEE R

(Last) (First) (Middle)

1201 S BECKHAM AVE

(Street)

TYLER TX 75701

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SOUTHSIDE BANCSHARES INC [ SBSI ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026

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	02/06/2026		F		556	D	$33.55	54,302	D
Common Stock								31,329	I	by ESOP
Common Stock								8,567	I	401k SSB Trust

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:

Remarks:

	Lindsey Bibby Bailes, attorney in fact	02/10/2026
	** 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 SBSI director Lee R. Gibson report?

Director Lee R. Gibson reported disposing of 556 shares of Southside Bancshares common stock at $33.55 per share on February 6, 2026. The filing records this as an "F" transaction and updates his direct and indirect ownership totals.

How many SBSI shares does Lee R. Gibson own after this Form 4?

After the reported transaction, Lee R. Gibson directly owns 54,302 Southside Bancshares common shares. He also has indirect ownership of 31,329 shares through an ESOP and 8,567 shares through a 401k SSB Trust, according to the Form 4.

What was the price of the SBSI shares in Gibson’s reported transaction?

The Form 4 shows that the 556 Southside Bancshares common shares were reported at a price of $33.55 per share. This price is used for the transaction entry dated February 6, 2026 in the non-derivative securities table.

What does indirect ownership mean in Lee R. Gibson’s SBSI Form 4?

Indirect ownership in this Form 4 refers to SBSI shares held through other entities. Gibson is shown with 31,329 shares held "by ESOP" and 8,567 shares held through a 401k SSB Trust, separate from his directly owned 54,302 shares.

What role does Lee R. Gibson have at Southside Bancshares (SBSI)?

The Form 4 identifies Lee R. Gibson as a director of Southside Bancshares, Inc. He is not marked as a 10% owner or officer in this filing, which frames the reported share transaction as activity by a board-level insider.

Does this SBSI Form 4 report any derivative securities for Lee R. Gibson?

The filing’s Table II for derivative securities is present but contains no listed transactions or holdings for Lee R. Gibson. All reported positions relate to common stock in the non-derivative securities table, both direct and indirect.