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

Rhea-AI Filing Summary

Brian K. McCabe, Chief Operating Officer of Southside Bancshares, Inc. (SBSI), reported a small non‑derivative acquisition and his beneficial ownership breakdown. The filing records receipt of 46 dividend equivalent rights related to RSUs at a $0 price, described as dividend equivalents that follow the same terms as the underlying restricted stock units. Following the reported transaction, Mr. McCabe is shown as beneficially owning 17,500 shares directly, plus 15,369 shares indirectly through the company ESOP and 8,734 shares indirectly via the 401(k) SSB Trust.

Positive

• Transparent disclosure of dividend equivalent rights and breakdown of direct and indirect holdings
• No sales reported, indicating no insider divestiture in this filing

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Routine insider record showing dividend-equivalent issuance and modest aggregate holdings across direct and retirement plan accounts.

The filing documents a non-cash issuance of 46 dividend equivalent rights attributable to RSUs and confirms the COO's mix of direct and indirect holdings. The indirect holdings through an ESOP and 401(k) trust are common for executive compensation and retirement plans. There is no indication of share sales, option exercises, or derivative activity that would materially change control or signal a liquidity event.

Securities Analyst

TL;DR: Insignificant market impact; disclosure aligns with typical Section 16 reporting for compensation-related equity credits.

The reported $0 price for the 46 dividend equivalent rights reflects allocation rather than a market purchase. Aggregate disclosed beneficial ownership (17,500 direct; 15,369 ESOP; 8,734 401(k)) should be noted for insider position tracking, but amounts are small relative to a public company capitalization and present no apparent immediate market implication.

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^*

MCCABE BRIAN K

(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)
	COO

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		46(1)	A	$0(1)	17,500	D
Common Stock								15,369(2)	I	By ESOP
Common Stock								8,734(2)	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. 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 the Form 4 for SBSI report regarding Brian K. McCabe's holdings?

The form reports 17,500 shares held directly, 15,369 shares held indirectly via the ESOP, and 8,734 shares held indirectly via the 401(k) SSB Trust.

What are the 46 dividend equivalent rights reported on the SBSI Form 4?

They are dividend equivalent rights credited in respect of RSUs; the filing states they are subject to the same terms as the underlying restricted stock units.

Did the Form 4 show any share sales or exercised options by the insider for SBSI?

No. The filing documents an acquisition/allocation of dividend equivalents and lists existing beneficial ownership; it does not report any share disposals or option exercises.

Was there any cash purchase recorded for the 46 dividend equivalents on the SBSI Form 4?

No. The filing shows a $0 price for the 46 dividend equivalent rights, indicating they were allocated rather than purchased for cash.

Does the Form 4 indicate material control changes for SBSI?

No. The amounts disclosed are routine compensation-related allocations and indirect retirement-plan holdings; the filing does not indicate a change in control.