Southside Bancshares director awarded 97 shares

SOUTHSIDE BANCSHARES INC (SBSI) director Lee R. Gibson reported an acquisition of common stock on September 3, 2026.

Rhea-AI Filing Summary

SOUTHSIDE BANCSHARES INC (SBSI) director Lee R. Gibson reported an acquisition of common stock on September 3, 2026. He received 97 shares of common stock as dividend equivalent rights tied to restricted stock units (RSUs) in connection with a cash dividend. These dividend equivalent rights are subject to the same terms and conditions as the underlying RSUs. After this award, he holds 58,909 shares directly, and a separate IRA account holds 40,567 shares indirectly. No Rule 10b5-1 trading plan is reported for this transaction.

Insider Trade Summary

Grant/Award: 97 shares

Grant/Award 2 txns

Insider GIBSON LEE R

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	97	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 58,909 shares (Direct); Common Stock — 40,567 shares (Indirect, IRA)

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: 97 shares Direct holdings after transaction: 58,909 shares Indirect IRA holdings: 40,567 shares +1 more

4 metrics

Shares acquired as dividend equivalent rights 97 shares Common stock received on September 3, 2026 as dividend equivalent rights on RSUs

Direct holdings after transaction 58,909 shares Common stock held directly by Lee R. Gibson after the September 3, 2026 award

Indirect IRA holdings 40,567 shares Common stock held indirectly through an IRA after the reported date

Transaction price per share $0.00 per share Reported price for the 97-share dividend-equivalent award on September 3, 2026

Key Terms

dividend equivalent rights, restricted stock units, Rule 10b5-1, indirect ownership

4 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.

restricted stock units financial

"cash dividend on RSUs held by the reporting person"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Rule 10b5-1 regulatory

"No Rule 10b5-1 trading plan is reported for this transaction"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

indirect ownership financial

"IRA associated with Lee R. Gibson holds 40,567 shares indirectly"

FAQ

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

What insider transaction did SBSI director Lee R. Gibson report?

He reported an acquisition of 97 shares of Southside Bancshares common stock on September 3, 2026, received as dividend equivalent rights on restricted stock units (RSUs) in connection with a cash dividend.

How many SBSI shares does Lee R. Gibson hold directly after this Form 4?

After the reported award, Lee R. Gibson holds 58,909 shares of Southside Bancshares common stock directly, according to the Form 4 holdings information.

What are Lee R. Gibson’s indirect holdings of SBSI shares?

In addition to his direct holdings, an IRA associated with Lee R. Gibson holds 40,567 shares of Southside Bancshares common stock as an indirect ownership position.

What is the nature of the 97 SBSI shares reported on this Form 4?

The 97 shares are dividend equivalent rights received due to a cash dividend on RSUs. These dividend equivalent rights are subject to the same terms and conditions as the underlying RSUs.

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

No. The filing indicates the Rule 10b5-1 checkbox is not marked, so no Rule 10b5-1 trading plan is reported in connection with this acquisition of 97 shares.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 09/08/2026 - 05:24 PM Accepted by SEC EDGAR 09/08/2026 - 05:24 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^*

GIBSON LEE R

(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		97(1)	A	$0	58,909	D
Common Stock								40,567	I	IRA

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)