Southside Bancshares director acquires 19 shares

Director Lawrence L. Anderson reported a small RSU-related share accrual and updated direct and trust holdings in SBSI common stock.

Rhea-AI Filing Summary

SOUTHSIDE BANCSHARES INC (SBSI) reported that director Lawrence L. Anderson acquired 19 shares of common stock on September 3, 2026 as a grant of dividend equivalent rights tied to restricted stock units (RSUs), bringing his directly held stake to 5,512 shares. In addition, 15,929 shares are reported as indirectly owned through the Lawrence L Anderson Spousal Trust. No Rule 10b5-1 trading plan is reported for these holdings.

Insider Trade Summary

Grant/Award: 19 shares

Grant/Award 2 txns

Insider ANDERSON LAWRENCE LAZELLE

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	19	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 5,512 shares (Direct); Common Stock — 15,929 shares (Indirect, Lawrence L Anderson Spousal Trust)

Footnotes (1)

1. F1. 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.

Key Figures

Shares acquired as dividend equivalent rights: 19 shares Direct common shares after transaction: 5,512 shares Indirect common shares in spousal trust: 15,929 shares +1 more

4 metrics

Shares acquired as dividend equivalent rights 19 shares Grant tied to cash dividend on RSUs on September 3, 2026

Direct common shares after transaction 5,512 shares Directly owned by Lawrence L. Anderson after September 3, 2026 grant

Indirect common shares in spousal trust 15,929 shares Held indirectly through Lawrence L Anderson Spousal Trust as of September 3, 2026

Transaction price per share on RSU dividend equivalents $0.00 per share Grant/award of dividend equivalent rights on September 3, 2026

Key Terms

dividend equivalent rights, RSUs, indirect ownership

3 terms

dividend equivalent rights financial

"Reflects dividend equivalent rights received pursuant to a cash dividend on RSUs"

Dividend equivalent rights are promises that mirror the cash payments shareholders get from a company’s profits, but they are paid to holders of certain awards (like stock options or restricted stock units) rather than to actual shares. Think of them as a paycheck top‑up that matches dividends while the award is not yet a real stock, and they matter to investors because they add to employee compensation costs and potential share dilution, affecting company profitability and per‑share value.

RSUs financial

"cash dividend on RSUs held by the reporting person"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

indirect ownership financial

"Reported as indirectly owned through the Lawrence L Anderson Spousal Trust"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did SBSI director Lawrence L. Anderson report on this Form 4?

He reported an acquisition of 19 shares of Southside Bancshares common stock on September 3, 2026, received as dividend equivalent rights linked to restricted stock units, and updated his direct and indirect share holdings.

How many SBSI shares does Lawrence L. Anderson now hold directly?

After the reported RSU-related grant, Lawrence L. Anderson holds 5,512 shares of Southside Bancshares common stock in his direct ownership as of September 3, 2026.

What indirect ownership in SBSI stock does the Form 4 disclose?

The filing discloses 15,929 shares of Southside Bancshares common stock held indirectly through the Lawrence L Anderson Spousal Trust as of September 3, 2026.

What are the 19 SBSI shares acquired by Lawrence L. Anderson?

The 19 shares represent dividend equivalent rights received from a cash dividend on RSUs held by Lawrence L. Anderson. These dividend equivalent rights are subject to the same terms and conditions as the underlying RSUs.

Was this SBSI insider transaction made under a Rule 10b5-1 trading plan?

No. The Form 4 indicates that the Rule 10b5-1 checkbox is not marked, so no Rule 10b5-1 trading plan is reported in connection with these holdings and the RSU-related dividend equivalent grant.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/08/2026 - 05:09 PM Accepted by SEC EDGAR 09/08/2026 - 05:09 PM Learn about SEC filing dates

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^*

ANDERSON LAWRENCE LAZELLE

(Last) (First) (Middle)

1201 S BECKHAM AVE

(Street)

TYLER TEXAS 75701

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	09/03/2026		A		19(1)	A	$0	5,512	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:

See attached Power of Attorney- EX-24.

	Lindsey Bibby Bailes, attorney in fact	09/08/2026
	** 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.
* Form 4: SEC 1474 (03-26)