[8-K] Third Coast Bancshares, Inc. Reports Material Event

Rhea-AI Filing Summary

Third Coast Bancshares, Inc. (TCBX) furnished an update on operations by announcing it issued a press release with financial results for the quarter ended September 30, 2025. The press release is included as Exhibit 99.1.

The information was furnished under Item 2.02 on October 22, 2025 and, under General Instruction B.2, is not deemed “filed” and is not subject to Section 18 liability. It will only be incorporated by reference into other filings if expressly stated.

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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 22, 2025

THIRD COAST BANCSHARES, INC.

(Exact name of Registrant as Specified in Its Charter)

Texas			001-41028	46-2135597
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
20202 Highway 59 North Suite 190
Humble, Texas				77338
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: 281 446-7000

Not Applicable

(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		TCBX		New York Stock Exchange NYSE Texas

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 22, 2025, Third Coast Bancshares, Inc. (the “Company”) issued a press release announcing its financial results for the quarter ended September 30, 2025. A copy of the Company’s press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

In accordance with General Instruction B.2 of Form 8-K, the information in Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed “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. The information in Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1, shall not be 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 of Exhibit
99.1		Press Release dated October 22, 2025
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

			THIRD COAST BANCSHARES, INC.
Date:	October 22, 2025	By:	/s/ R. John McWhorter
			R. John McWhorter Chief Financial Officer

FAQ

What did Third Coast Bancshares (TCBX) announce in this 8-K?

It furnished a press release announcing financial results for the quarter ended September 30, 2025, as Exhibit 99.1.

Which period do the results cover for TCBX?

The quarter ended September 30, 2025.

How is the information in this 8-K treated under SEC rules?

It is furnished under Item 2.02 and, per General Instruction B.2, is not deemed “filed” and is not subject to Section 18 liability.

Where can I find the detailed results mentioned by TCBX?

In Exhibit 99.1, the press release dated October 22, 2025.

Will this information be incorporated by reference into other TCBX filings?

Only if another filing expressly incorporates it by specific reference.

What is TCBX’s exchange listing and ticker?

Common stock trades on the New York Stock Exchange under the ticker TCBX.