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

Rhea-AI Filing Summary

Keith Donahoe, President and Director of Southside Bancshares, Inc. (SBSI), reported a transaction dated 09/04/2025 on a Form 4 filed 09/08/2025. The filing shows he received 66 shares of common stock as dividend equivalent rights paid on restricted stock units (RSUs) at a stated price of $0. After that transaction he beneficially owns 10,834 shares directly. The filing also reports 602 shares held indirectly through an ESOP as shares acquired under the company’s Dividend Reinvestment Program. The form is signed by an attorney-in-fact.

Positive

• Insider transparency: The President/Director timely disclosed equity compensation and DRIP activity on Form 4
• Compensation alignment: Receipt of 66 dividend-equivalent shares on RSUs indicates continued executive equity participation
• Shareholder program usage: 602 shares acquired via the Dividend Reinvestment Program show participation in company-sponsored plans

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Insider received dividend-equivalent shares on RSUs and holds additional shares via ESOP; activity is routine and administrative.

The Form 4 indicates a non-cash issuance of 66 shares as dividend equivalents on RSUs and 602 shares held indirectly via the ESOP/DRIP. The reporting person is the company's President and a Director, so disclosures are standard Section 16 reporting of equity compensation and reinvestment activity. No cash purchase or sale is reported and no change to control or unusual disposition is shown. This appears to be routine insider vesting/dividend and DRIP participation rather than a material transaction affecting control or capital structure.

Securities Compliance Analyst

TL;DR: Filing documents administrative increases in beneficial ownership from compensation and reinvestment; compliance disclosure appears complete.

The details show a 09/04/2025 transaction date and an executed Form 4 signature dated 09/08/2025. The 66-share entry is explicitly described as dividend-equivalent rights tied to RSUs with a reported price of $0, consistent with non-cash compensation treatment. The 602-share entry is identified as acquired under the Dividend Reinvestment Program and held indirectly via the ESOP. The report identifies the reporter as President and Director, and the signature is by an attorney-in-fact, which is an accepted execution method for Section 16 filings.

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^*

Donahoe Keith

(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)
	President

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		66(1)	A	$0(1)	10,834	D
Common Stock								602(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 Keith Donahoe report on the Form 4 for SBSI?

The Form 4 reports receipt of 66 shares as dividend-equivalent rights on RSUs and 602 shares held indirectly via the ESOP/DRIP; direct beneficial ownership after the transaction is 10,834 shares.

When was the transaction and when was the Form 4 filed for SBSI?

The transaction date is 09/04/2025 and the Form 4 was signed/filed on 09/08/2025.

Was cash paid for the 66 shares reported by Keith Donahoe (SBSI)?

No cash price is reported for the 66 shares; the filing states a price of $0, indicating dividend-equivalent rights from RSUs.

How are the 602 shares described in the filing for SBSI?

The 602 shares are described as shares acquired under the company’s Dividend Reinvestment Program and are held indirectly through an ESOP.

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

The reporting person, Keith Donahoe, is identified as President and a Director of the company.