COSO files 8-K with Q3 2025 earnings release and presentation

Rhea-AI Filing Summary

CoastalSouth Bancshares, Inc. furnished an 8‑K announcing its results of operations and financial condition for the third quarter ended September 30, 2025. The company issued a press release with these Q3 2025 results.

The earnings release is provided as Exhibit 99.1 and an investor presentation for the quarter is included as Exhibit 99.2. The information under Item 2.02 is furnished, not filed, and is not subject to Section 18 of the Exchange Act or incorporated by reference unless specifically stated.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 20, 2025

COASTALSOUTH BANCSHARES, INC.

(Exact name of Registrant as Specified in Its Charter)

Georgia			001-42730	57-1184730
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
400 Galleria Parkway Suite 1900
Atlanta, Georgia				30339
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: (678) 396-4605

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, par value $1.00 per share		COSO		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

On October 20, 2025, CoastalSouth Bancshares, Inc. (the “Company”) issued a press release announcing its results of operations and financial condition for the third quarter ended September 30, 2025. A copy of the press release covering such announcement is attached hereto as Exhibit 99.1 and incorporated by reference herein.

In accordance with General Instruction B.2 of Form 8-K, the information furnished in Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1 hereto, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing or other document pursuant to the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing or document.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit Number		Description
99.1		CoastalSouth Bancshares, Inc. Earnings Release dated October 20, 2025*
99.2		CoastalSouth Bancshares, Inc. Investor Presentation re: 3rd Quarter 2025 Results*
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

* Filed herewith.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		CoastalSouth Bancshares, Inc.
Date: October 20, 2025		By:	/s/ Anthony P. Valduga
			Anthony P. Valduga
			Chief Financial Officer & Chief Operating Officer

FAQ

What did COSO announce in this 8-K?

The company furnished its Q3 2025 results of operations and financial condition and issued a related press release.

Which period does the announcement cover for COSO?

The third quarter ended September 30, 2025.

Where can I find COSO’s Q3 2025 earnings materials?

The earnings release is Exhibit 99.1 and the investor presentation is Exhibit 99.2 to the 8‑K.

Is the Q3 2025 information considered filed with the SEC?

No. The Item 2.02 information is furnished, not filed, and not subject to Section 18 of the Exchange Act.

What is CoastalSouth Bancshares’ trading symbol and exchange?

The common stock trades on the New York Stock Exchange under the symbol COSO.

Who signed the report for COSO?

Anthony P. Valduga, Chief Financial Officer & Chief Operating Officer.