[SCHEDULE 13G/A] Red River Bancshares, Inc. SEC Filing

Rhea-AI Filing Summary

Simeon A. Thibeaux reported beneficial ownership of 736,057 shares of Red River Bancshares, Inc., representing 11.2% of the class. The filing breaks that stake into 433,646 shares over which Mr. Thibeaux has sole voting and dispositive power through two trusts (266,407 shares in the John Charles Simpson Jr. Trust and 167,239 shares in the Angela Katherine Simpson Trust) and 302,411 shares held with shared voting and dispositive power by S3 Dynamics, L.P. The document names the issuer and filer addresses in Alexandria, Louisiana, and contains a certification that the securities were not acquired to change or influence control of the issuer.

Positive

• Material ownership disclosed: Aggregate beneficial ownership of 736,057 shares (11.2%) is clearly reported
• Clear allocation of powers: Filing specifies 433,646 shares with sole voting/dispositive power and 302,411 shares with shared voting/dispositive power
• Transparent ownership structure: Identifies the two trusts and S3 Dynamics, L.P., and Mr. Thibeaux's roles as sole trustee and manager

Negative

• None.

Insights

Securities Analyst

TL;DR Mr. Thibeaux holds a material 11.2% stake with both sole and shared voting rights disclosed.

The Schedule 13G/A identifies an aggregate beneficial ownership of 736,057 shares (11.2%), splitting control between direct trust-held shares (433,646) and partnership-held shares (302,411). The filing documents the chain of authority: two trusts for which he is sole trustee and S3 Dynamics, L.P., whose sole general partner is S3 Management, L.L.C., where Mr. Thibeaux is one of three managers. This level of disclosure is material to investors because it clarifies the distribution of voting and dispositive power and the relationships among the reporting person, trusts, and partnership.

Corporate Governance Expert

TL;DR The filing provides clear attribution of voting and dispositive power across trusts and an LP structure, with a formal certification about control intent.

The document specifies that 266,407 and 167,239 shares are held of record by two named trusts for which Mr. Thibeaux is sole trustee, and 302,411 shares are held by S3 Dynamics, L.P., where he has managerial influence. The filing also includes a certification stating the securities were not acquired to change or influence control. For governance analysis, these items are material because they delineate both sole and shared authorities that affect shareholder voting dynamics.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 6)

Red River Bancshares, Inc.

(Name of Issuer)

Common stock, no par value per share

(Title of Class of Securities)

75686R202

(CUSIP Number)

08/07/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 75686R202

1

Names of Reporting Persons

Simeon A. Thibeaux

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

LOUISIANA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 433,646.00
6	Shared Voting Power 302,411.00
7	Sole Dispositive Power 433,646.00
8	Shared Dispositive Power 302,411.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

736,057.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

11.2 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: Shares identified as subject to sole voting power (line 5) and sole dispositive power (line 7) consist of 266,407 shares of Common Stock held of record by the John Charles Simpson Jr. Trust ("JCSJ Trust") and 167,239 shares of Common Stock held of record by the Angela Katherine Simpson Trust ("AKS Trust"). The Reporting Person is the sole trustee of each of the JCSJ Trust and the AKS Trust. Shares identified as subject to shared voting power (line 6) and shared dispositive power (line 8) are held by S3 Dynamics, L.P. The sole general partner of S3 Dynamics, L.P. is S3 Management, L.L.C., which has management authority over S3 Dynamics, L.P., and Mr. Thibeaux is one of three managers of S3 Management, L.L.C. Mr. Thibeaux is also the trustee or an investment advisor of trusts owning approximately 95% of the limited partnership interests in S3 Dynamics, L.P.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Red River Bancshares, Inc.
(b)	Address of issuer's principal executive offices: 1412 Centre Court Drive, Suite 301, Alexandria, LA, 71301
Item 2.
(a)	Name of person filing: Simeon A. Thibeaux
(b)	Address or principal business office or, if none, residence: 1412 Centre Court Drive, Suite 301, Alexandria, LA 71301
(c)	Citizenship: State of Louisiana
(d)	Title of class of securities: Common stock, no par value per share
(e)	CUSIP No.: 75686R202
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 736,057
(b)	Percent of class: 11.2 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 433,646 Consists of 266,407 shares of Common Stock held of record by the John Charles Simpson Jr. Trust ("JCSJ Trust") and 167,239 shares of Common Stock held of record by the Angela Katherine Simpson Trust ("AKS Trust"). The Reporting Person is the sole trustee of each of the JCSJ Trust and the AKS Trust.
	(ii) Shared power to vote or to direct the vote: 302,411 Shares are held by S3 Dynamics, L.P. The sole general partner of S3 Dynamics, L.P. is S3 Management, L.L.C., which has management authority over S3 Dynamics, L.P., and Mr. Thibeaux is one of three managers of S3 Management, L.L.C. Mr. Thibeaux is also the trustee or an investment advisor of trusts owning approximately 95% of the limited partnership interests in S3 Dynamics, L.P.
	(iii) Sole power to dispose or to direct the disposition of: 433,646 Consists of 266,407 shares of Common Stock held of record by the JCSJ Trust and 167,239 shares of Common Stock held of record by the AKS Trust. The Reporting Person is the sole trustee of each of the JCSJ Trust and the AKS Trust.
	(iv) Shared power to dispose or to direct the disposition of: 302,411 Shares are held by S3 Dynamics, L.P. The sole general partner of S3 Dynamics, L.P. is S3 Management, L.L.C., which has management authority over S3 Dynamics, L.P., and Mr. Thibeaux is one of three managers of S3 Management, L.L.C. Mr. Thibeaux is also the trustee or an investment advisor of trusts owning approximately 95% of the limited partnership interests in S3 Dynamics, L.P.
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Simeon A. Thibeaux

Signature:	/s/ Simeon A. Thibeaux
Name/Title:	Simeon A. Thibeaux
Date:	08/08/2025

FAQ

What stake in Red River Bancshares (RRBI) does Simeon A. Thibeaux report?

Mr. Thibeaux reports beneficial ownership of 736,057 shares, representing 11.2% of the class.

How many shares does Mr. Thibeaux control solely versus jointly?

He reports 433,646 shares with sole voting and dispositive power and 302,411 shares with shared voting and dispositive power.

Which entities hold the shares attributed to Mr. Thibeaux?

Solely held shares are recorded in the John Charles Simpson Jr. Trust (266,407) and the Angela Katherine Simpson Trust (167,239); shared shares are held by S3 Dynamics, L.P. (302,411).

What roles does Mr. Thibeaux have in the entities that hold RRBI shares?

He is the sole trustee of the two named trusts and is one of three managers of S3 Management, L.L.C., the sole general partner of S3 Dynamics, L.P.; he is also trustee or investment advisor to trusts owning ~95% of the limited partnership interests in S3 Dynamics, L.P.

Does the filing state an intent to change or influence control of the issuer?

The certification states the securities were not acquired and are not held to change or influence control of the issuer.

What address is listed for the issuer and filer?

Both the issuer's principal executive offices and the filer address are listed as 1412 Centre Court Drive, Suite 301, Alexandria, LA 71301.