[Form 4] Southside Bancshares, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Southside Bancshares, Inc. (SBSI) reporting person Lee R. Gibson, who is both a director and the Chief Executive Officer, reported a non-derivative acquisition related to equity awards dated 09/04/2025. The report shows 149 shares were acquired as dividend equivalent rights on restricted stock units at a reported price of $0, and after the transaction the reporting person directly beneficially owns 62,148 shares. The filing also discloses indirect holdings of 30,967 shares through an ESOP and 8,468 shares through a 401(k) SSB trust. The form notes inclusion of shares from the company’s Dividend Reinvestment Program.

Insights

Corporate Governance Expert

TL;DR: Routine insider acquisition from dividend equivalents and DRIP; ownership stakes recorded across direct and employee plans.

The filing documents a routine issuance of 149 dividend-equivalent shares tied to RSUs and reports the aggregate ownership structure for the CEO/director: 62,148 direct, 30,967 via ESOP, and 8,468 via 401(k) trust. This is a compliance disclosure under Section 16 showing compensation-related equity accruals rather than open-market purchases or sales. The transaction code and $0 price indicate issuance pursuant to award terms rather than a cash purchase.

Securities Analyst

TL;DR: Non-material equity accruals reported; no sales or exercised options that would change float materially.

From an investor-impact perspective, the reported 149 shares issued as dividend equivalents and shares added via the Dividend Reinvestment Program are small relative to total reported holdings and imply internal compensation and reinvestment activity. There is no indication of disposals or derivative exercises that would materially alter outstanding share count or signal liquidity events by the insider.

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^*

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
X	Officer (give title below)		Other (specify below)
	CHIEF EXECUTIVE OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
09/04/2025

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	09/04/2025		A		149(1)	A	$0(1)	62,148	D
Common Stock								30,967(2)	I	by ESOP
Common Stock								8,468(2)	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. Includes shares acquired under the Company's Dividend Reinvestment Program.

Remarks:

	Lindsey Bibby Bailes, attorney in fact	09/08/2025
	** 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 did SBSI insider Lee R. Gibson report on Form 4?

The Form 4 reports the acquisition of 149 shares as dividend equivalent rights on RSUs and shows total direct beneficial ownership of 62,148 shares.

Were any shares sold by the reporting person in this filing for SBSI?

No. The filing records an acquisition (A) of shares; there are no reported dispositions.

Does the Form 4 disclose indirect holdings for the SBSI reporting person?

Yes. It discloses 30,967 shares held indirectly via an ESOP and 8,468 shares held indirectly in a 401(k) SSB trust.

Why is the reported price $0 for the 149 shares on the Form 4?

The filing indicates the $0 price because the shares were issued as dividend equivalent rights on RSUs rather than purchased in the market.

Does this Form 4 indicate any derivative transactions or option exercises?

No. Table II for derivative securities contains no reported transactions in this filing.