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

Rhea-AI Filing Summary

S3 Dynamics, L.P. and John Charles Simpson amended their prior disclosure by converting a Schedule 13D to a Schedule 13G and reporting share sales to the issuer. The filing states S3 Dynamics sold 100,000 shares and John Charles Simpson sold 7,500 shares to the issuer, transactions that prompted the amendment.

After those sales the reporting persons beneficially own 302,411 shares, equal to 4.6% of the class. The statement reports shared voting and shared dispositive power over those shares and no sole voting or dispositive power, and certifies the holdings are not intended to influence control.

Positive

• Converted Schedule 13D to Schedule 13G, indicating a move to passive investor status
• Beneficial ownership reduced to 302,411 shares (4.6%), now below the 5% reporting threshold
• Reported specific share sales to the issuer: 100,000 shares by S3 Dynamics and 7,500 shares by John Charles Simpson
• Disclosed shared voting and dispositive power with no sole voting or dispositive power, increasing transparency

Negative

• None.

Insights

Financial Analyst

TL;DR: Stake reduced below 5% to 4.6% after share sales, converted to passive 13G filing; impact neutral for control and governance.

The conversion from a Schedule 13D to a Schedule 13G and the reported sales (100,000 shares by S3 Dynamics and 7,500 shares by John Simpson) materially reduced the reported position to 302,411 shares (4.6%). That places the holders below the 5% threshold that typically triggers heightened activist or control signaling. Reported shared voting and dispositive power with no sole power suggests limited unilateral influence. Overall this is a disclosure of a passive, reduced stake rather than an escalation or takeover attempt.

Corporate Governance Expert

TL;DR: Filing shows a move to passive status with certification denying intent to influence control; governance influence now limited.

By converting the prior Schedule 13D to a Schedule 13G and certifying the securities are not held to influence control, the reporting persons signal a passive posture. The filing's specifics—0 sole voting/dispositive power and 302,411 shares under shared power—mean any board or strategic influence would likely require coordination with other holders. The direct sale of shares to the issuer is a concrete mechanism that reduced their ownership below the 5% disclosure threshold.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

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

S3 Dynamics, L.P.

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 302,411.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 302,411.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

302,411.00

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)

4.6 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. 75686R202

1

Names of Reporting Persons

John Charles Simpson

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 0.00
6	Shared Voting Power 302,411.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 302,411.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

302,411.00

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)

4.6 %

12

Type of Reporting Person (See Instructions)

IN

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: S3 Dynamics, L.P. and John Charles Simpson (the "reporting persons"). On June 30, 2020, the reporting persons filed a Schedule 13D to report beneficial ownership of the Issuer's common stock, no par value per share (the "common stock"). On May 22, 2025, S3 Dynamics, L.P. sold 100,000 shares of common stock to the Issuer. On August 7, 2025, John Charles Simpson sold 7,500 shares of common stock to the Issuer. This Amendment No. 1 on Schedule 13G is being filed to (1) convert the Schedule 13D to Schedule 13G; (2) report the transactions on May 22, 2025 and August 7, 2025; and (3) indicate that the reporting persons have ceased to beneficially own more than 5% of the Issuer's common stock.
(b)	Address or principal business office or, if none, residence: 1412 Centre Court Drive, Suite 301, Alexandria, LA 71301
(c)	Citizenship: S3 Dynamics, L.P. - State of Delaware; John Charles Simpson - 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: 302,411
(b)	Percent of class: 4.6 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 302,411
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 302,411
Item 5.	Ownership of 5 Percent or Less of a Class.
	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.

S3 Dynamics, L.P.

Signature:	/s/ Simeon A. Thibeaux
Name/Title:	Simeon A. Thibeaux, manager of S3 Management, L.L.C., the general partner of S3 Dynamics, L.P.
Date:	08/14/2025

John Charles Simpson

Signature:	/s/ John Charles Simpson
Name/Title:	John Charles Simpson
Date:	08/14/2025

FAQ

Who filed the Schedule 13G/A for Red River Bancshares (RRBI)?

The filing was made by S3 Dynamics, L.P. and John Charles Simpson as the reporting persons.

How many RRBI shares do the reporting persons now beneficially own?

They report beneficial ownership of 302,411 shares, representing 4.6% of the class.

What transactions does the filing report that changed ownership?

The filing reports that S3 Dynamics sold 100,000 shares and John Charles Simpson sold 7,500 shares to the issuer.

Do the reporting persons have sole voting or dispositive power over these shares?

No. The filing reports 0 sole voting power and 0 sole dispositive power, and 302,411 shares under shared voting and dispositive power.

Does the filing indicate an intent to influence control of RRBI?

The filing includes a certification stating the securities were not acquired or held to change or influence control, consistent with a passive 13G filing.

What reporting classifications are shown for the reporting persons?

The document identifies S3 Dynamics, L.P. as a PN reporting person and John Charles Simpson as an IN reporting person.