Southside Bancshares CEO reports small share disposals

Southside Bancshares CEO Lee R. Gibson reported two small share disposals in company stock.

Accepted by SEC EDGAR 02/03/2026 - 12:33 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Southside Bancshares CEO Lee R. Gibson reported two small share disposals in company stock. On February 1, 2026, he disposed of 747 shares of common stock in a transaction coded F at $32.19 per share, leaving 55,271 directly owned shares.

On February 2, 2026, he disposed of a further 413 shares in another F-coded transaction at $33.10 per share, with 54,858 shares then held directly. He also reports indirect ownership of 31,329 shares through an ESOP and 8,567 shares through a 401k SSB Trust. A footnote states that when a transaction occurs on a non-business day, the price used reflects the prior business day’s closing price.

Insider Trade Summary

Exercise Price or Tax Liability: 1,160 shares

Exercise Price or Tax Liability 2 txns

Insider GIBSON LEE R

Role CHIEF EXECUTIVE OFFICER

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	413	$33.10	$14K
Exercise Price or Tax Liability	Common Stock	747	$32.19	$24K
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 54,858 shares (Direct); Common Stock — 31,329 shares (Indirect, by ESOP); Common Stock — 8,567 shares (Indirect, 401k SSB Trust)

Holdings Before and After: Common Stock, 56,018 to 54,858 shares (Direct)

Footnotes (1)

1. F1. As transaction was on a non-business day, the price reflects the closing price of the previous business day.

FAQ

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

What insider activity did SBSI CEO Lee R. Gibson report on this Form 4?

Lee R. Gibson reported two F-coded disposals of Southside Bancshares common stock. One involved 747 shares on February 1, 2026, and the other 413 shares on February 2, 2026, both at specified prices, with updated direct and indirect holdings disclosed.

How many Southside Bancshares shares does the SBSI CEO own directly after these transactions?

After the reported transactions, Lee R. Gibson directly owns 54,858 Southside Bancshares common shares. This figure reflects his holdings following the February 2, 2026 F-coded transaction involving 413 shares at $33.10 per share as shown in the filing tables.

What were the prices and dates of the SBSI CEO’s reported share disposals?

The filing shows two transactions coded F. On February 1, 2026, 747 shares were disposed at $32.19 per share. On February 2, 2026, 413 shares were disposed at $33.10 per share, with each transaction updating Gibson’s reported direct ownership level.

What indirect Southside Bancshares holdings are reported for the SBSI CEO?

Lee R. Gibson reports indirect ownership of 31,329 Southside Bancshares common shares held by an ESOP and 8,567 shares held through a 401k SSB Trust. These indirect positions are listed separately from his directly owned shares in the Form 4 tables.

What does the Form 4 footnote say about pricing for the SBSI CEO’s transaction?

The footnote explains that when a transaction occurs on a non-business day, the reported price reflects the closing price of the previous business day. This note applies to at least one of the F-coded transactions disclosed for Lee R. Gibson in the filing.

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

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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 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
X	Officer (give title below)		Other (specify below)
	CHIEF EXECUTIVE OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
02/01/2026

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	02/01/2026		F		747	D	$32.19(1)	55,271	D
Common Stock	02/02/2026		F		413	D	$33.1	54,858	D
Common Stock								31,329	I	by ESOP
Common Stock								8,567	I	401k SSB 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. As transaction was on a non-business day, the price reflects the closing price of the previous business day.

Remarks:

	Lindsey Bibby Bailes, attorney in fact	02/03/2026
	** 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).
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