Southside Bancshares (SBSI) director Gibson reports 82-share stock award

Rhea-AI Filing Summary

GIBSON LEE R reported acquisition or exercise transactions in this Form 4 filing.

Southside Bancshares director Lee R. Gibson reported an equity award of 82 shares of Common Stock, received as a grant at no cash cost on March 5, 2026. This increased his directly held shares to 54,384.

He also reports indirect holdings of 31,904 shares through an ESOP and 8,665 shares in a 401(k) trust. Footnotes note that some shares reflect dividend equivalent rights on RSUs, annual ESOP contributions, forfeiture allocations, and dividend reinvestments under company programs.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider GIBSON LEE R

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	82	$0.00	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 54,384 shares (Direct); Common Stock — 31,904 shares (Indirect, by ESOP)

Footnotes (1)

1. Reflects dividend equivalent rights received pursuant to a cash dividend on RSUs held by the reporting person. Dividend equivalent rights are subject to the same terms and conditions as the underlying RSUs. Amount includes shares received in connection with the Company's annual ESOP contribution, forfeiture allocation and quarterly dividend reinvestment. Includes shares acquired under the Company's Dividend Reinvestment Program.

Form 4 Insider Transactions: What Each Field Means →

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
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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^*

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)
03/05/2026

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	03/05/2026		A		82(1)	A	$0	54,384	D
Common Stock								31,904(2)	I	by ESOP
Common Stock								8,665(3)	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:

1. Reflects dividend equivalent rights received pursuant to a cash dividend on RSUs held by the reporting person. Dividend equivalent rights are subject to the same terms and conditions as the underlying RSUs.

2. Amount includes shares received in connection with the Company's annual ESOP contribution, forfeiture allocation and quarterly dividend reinvestment.

3. Includes shares acquired under the Company's Dividend Reinvestment Program.

Remarks:

	Lindsey Bibby Bailes, attorney in fact	03/09/2026
	** 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 Lee R. Gibson report for SOUTHSIDE BANCSHARES INC (SBSI)?

Lee R. Gibson reported an award of 82 shares of Southside Bancshares Common Stock on March 5, 2026. The shares were acquired as a grant at no cash cost, increasing his directly held position to 54,384 shares after the transaction.

How many Southside Bancshares (SBSI) shares does Lee R. Gibson hold directly after this Form 4?

After the reported grant, Lee R. Gibson directly holds 54,384 shares of Southside Bancshares Common Stock. This total includes the newly awarded 82-share grant reported as a non-cash acquisition on March 5, 2026 under transaction code A.

What indirect Southside Bancshares (SBSI) holdings does Lee R. Gibson report?

Lee R. Gibson reports 31,904 Southside Bancshares shares held indirectly through an ESOP and 8,665 shares through a 401(k) SSB Trust. Footnotes state these amounts include ESOP contributions, forfeiture allocations, dividend reinvestments, and shares acquired via the Dividend Reinvestment Program.

What does the Form 4 say about dividend equivalent rights for Southside Bancshares (SBSI)?

The Form 4 notes dividend equivalent rights received in connection with a cash dividend on RSUs held by Lee R. Gibson. These dividend equivalent rights are subject to the same terms and conditions as the underlying RSUs, linking their treatment directly to the original restricted stock units.

Were any open-market buys or sells reported by Lee R. Gibson in this Southside Bancshares (SBSI) Form 4?

No open-market purchases or sales are identified in this Form 4. The filing reports an 82-share stock grant classified as a grant, award, or other acquisition, along with updated direct and indirect holdings linked to company plans and dividend-related mechanisms.