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

Rhea-AI Filing Summary

Anthony Sherri, Chief Banking Officer and Director of Southside Bancshares, Inc. (SBSI), reported transactions dated 09/04/2025 on a Form 4. The filing shows 18 dividend-equivalent units credited in connection with restricted stock units (RSUs) at a $0 price, and 2,907 shares reported as beneficially owned following the transaction in a direct capacity. The filing also discloses 556 shares held indirectly through the company’s ESOP and acquired via the Dividend Reinvestment Program. The Form 4 was signed by an attorney-in-fact on 09/08/2025. The filing explains the 18 units reflect dividend equivalents on RSUs and the 556 shares include DRIP purchases.

Positive

• Dividend-equivalent units credited on RSUs indicating continued equity-based compensation alignment
• Participation in Dividend Reinvestment Program (DRIP) reflected by 556 indirect shares, showing insider reinvestment

Negative

• None.

Insights

Financial Analyst

TL;DR: Small insider receipt of dividend-equivalent RSU units and DRIP shares; no cash purchase or large disposition reported.

The reported activity consists of 18 dividend-equivalent units received on RSUs and an aggregate beneficial ownership of 2,907 direct shares plus 556 indirect shares via ESOP/DRIP. These items represent routine compensation and reinvestment mechanics rather than open-market trading. There is no cash purchase price reported and no sale or exercise of options. For financial modeling, treat this as a non-cash compensation and reinvestment event with limited standalone impact on share count or control.

Corporate Governance Expert

TL;DR: Routine insider compensation and reinvestment disclosed; no governance red flags or large ownership changes.

The Form 4 documents standard equity compensation mechanics: dividend equivalents on RSUs and shares acquired via the Dividend Reinvestment Program, confirmed by the filing language. The use of an attorney-in-fact signature is proper and dated 09/08/2025. There are no departures, new grants with exercisable terms disclosed, or significant share dispositions that would raise immediate governance concerns.

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^*

Anthony Sherri

(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 Banking 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		18(1)	A	$0(1)	2,907	D
Common Stock								556(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 transactions did Anthony Sherri report on Form 4 for SBSI?

The Form 4 reports 18 dividend-equivalent units09/04/2025 and beneficial ownership totaling 2,907 direct shares plus 556 indirect shares via ESOP/DRIP.

Did the Form 4 disclose any cash purchases or sales by Anthony Sherri (SBSI)?

No cash purchases or sales are reported; the 18 units are dividend equivalents at a $0 price and 556 shares were acquired via the company’s Dividend Reinvestment Program.

What is the reporting person’s role at Southside Bancshares (SBSI)?

The filer is Anthony Sherri, identified as a Director and the company’s Chief Banking Officer.

When was the Form 4 signed and who signed it?

The Form 4 was signed by an attorney-in-fact, Lindsey Bibby Bailes, on 09/08/2025.

What do the 18 dividend-equivalent units represent?

The filing states they reflect dividend equivalent rights received pursuant to a cash dividend on RSUs and are subject to the same terms as the underlying RSUs.