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

Rhea-AI Filing Summary

The reporting person, Chief Treasury Officer of Southside Bancshares Inc. (SBSI), reported a non-derivative acquisition related to equity awards. The filing shows 39 dividend equivalent rights were received tied to restricted stock units and credited at no cash cost, and the reporting person now beneficially owns 11,629 common shares. Ownership is held directly for 11,629 shares and indirectly via a 401(k) account (8,975 shares) and an ESOP (2,313 shares). The filing notes shares include participation in the company’s dividend reinvestment program.

Positive

• Transparent disclosure of dividend-equivalent rights and breakdown of direct and indirect ownership
• Participation in dividend reinvestment program indicates continued reinvestment of dividends into company stock

Negative

• None.

Insights

Financial Analyst

TL;DR: Insider received small dividend-equivalent share credit; overall holding change is minor and routine.

The transaction reflects non-cash compensation mechanics rather than an open-market purchase or sale. Receipt of 39 dividend-equivalent units tied to RSUs increases share count modestly and is consistent with typical executive award and dividend reinvestment practices. The 11,629-share total combines direct ownership with retirement and ESOP holdings, indicating diversified internal ownership but not a material shift in insider stake.

Corporate Governance Expert

TL;DR: Disclosure appears routine and compliant; transaction aligns with award terms and reinvestment policies.

The filing discloses dividend-equivalent rights and participation in the dividend reinvestment program, both common features of equity compensation plans. The clear breakdown of direct versus indirect holdings aids transparency. There is no indication of planned sales or unexpected changes in control, so governance implications are limited.

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^*

DAVIS SUNI M

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF TREASURY 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		39(1)	A	$0(1)	11,629(2)	D
Common Stock								8,975(2)	I	401K
Common Stock								2,313(2)	I	ESOP

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 the Southside Bancshares (SBSI) Form 4 report disclose?

The filing disclosed receipt of 39 dividend-equivalent rights tied to RSUs and a total beneficial ownership of 11,629 common shares including direct, 401(k), and ESOP holdings.

Did the reporting person buy or sell shares in the open market?

No. The reported change reflects dividend-equivalent credits and reinvestment into equity, not an open-market purchase or sale.

How is the 11,629-share total apportioned?

Of the 11,629 shares, 8,975 are held via a 401(k) plan and 2,313 are held via an ESOP, with the remainder held directly.

Do the dividend-equivalent rights carry cash value?

The filing notes the dividend-equivalent rights were recorded at $0 in cash terms and are subject to the same terms as the underlying RSUs.

Does this Form 4 indicate any change in control or significant insider selling for SBSI?

No. The transaction is routine equity compensation mechanics and dividend reinvestment; it does not indicate change in control or significant insider selling.