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

Rhea-AI Filing Summary

Lawrence L. Anderson, a director of Southside Bancshares, Inc. (SBSI), reported a non-derivative acquisition on 09/04/2025 representing 21 dividend-equivalent rights related to restricted stock units (RSUs). The Form 4 shows these dividend-equivalent rights were recorded at $0 and resulted in the reporting person holding 3,758 shares directly and 15,929 shares indirectly through the Lawrence L Anderson Spousal Trust. The filing notes the dividend equivalents follow the same terms as the underlying RSUs. The form was signed by an attorney-in-fact on 09/08/2025.

Positive

• Disclosure of RSU dividend equivalents was timely and transparent, showing compliance with Section 16 reporting requirements
• Beneficial ownership is clearly stated: 3,758 shares direct and 15,929 shares indirect through a spousal trust

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Director received dividend-equivalent rights tied to RSUs, modestly increasing reported beneficial ownership.

The filing documents a routine, non-cash credit of dividend-equivalent units arising from existing RSUs rather than an open-market purchase or exercise. That the units are recorded at $0 indicates these are plan-driven entitlements consistent with compensation arrangements. Ownership remains split between direct holdings and an indirect spousal trust, a common estate or tax-planning structure. This disclosure aligns with Section 16 reporting norms and poses no immediate governance concern.

Securities Analyst

TL;DR: Small, administrative increase in reported beneficial ownership; unlikely to be material to valuation.

The transaction code and explanation identify the items as dividend equivalent rights on RSUs, not share purchases. The reported amounts—3,758 direct and 15,929 indirect—should be interpreted as total holdings after the credit rather than a market transaction. Because the reported acquisition count is 21 units recorded at $0, the change is immaterial to capital structure and liquidity metrics and should not affect short-term market dynamics.

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

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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^*

ANDERSON LAWRENCE LAZELLE

(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)
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		21(1)	A	$0(1)	3,758	D
Common Stock								15,929	I	Lawrence L Anderson Spousal 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.

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 transaction did Lawrence L. Anderson report on Form 4 for SBSI?

The Form 4 reports the acquisition of 21 dividend-equivalent rights related to RSUs on 09/04/2025.

Were any shares purchased for cash in the reported transaction?

No. The dividend-equivalent rights are recorded at a price of $0, indicating a non-cash credit.

How many shares does the reporting person beneficially own after the transaction?

The filing shows 3,758 shares directly and 15,929 shares indirectly via the Lawrence L Anderson Spousal Trust.

Who signed the Form 4 and when?

The form was signed by Lindsey Bibby Bailes, attorney-in-fact on 09/08/2025.

What is the nature of the dividend-equivalent rights?

The filing states the dividend equivalent rights are subject to the same terms and conditions as the underlying RSUs.