Third Coast Bancshares extends loan, ups limit

Third Coast Bancshares, Inc. entered into a Renewal, Extension and Modification of Loan agreement with American National Bank & Trust effective March 10, 2026.

Rhea-AI Filing Summary

Third Coast Bancshares, Inc. entered into a Renewal, Extension and Modification of Loan agreement with American National Bank & Trust effective March 10, 2026. This amends its existing March 10, 2021 loan agreement.

As of March 10, 2026, the company had $54,875,000 outstanding under the loan and had pledged all issued and outstanding capital stock of Third Coast Bank as collateral. The amendment extends the loan’s maturity date from March 10, 2026 to March 10, 2028 and increases the maximum commitment from $55,000,000 to $70,000,000, giving the company a larger committed borrowing capacity over an additional two-year term.

Insights

Bank capital structure analyst

Third Coast renews and extends key bank-level financing on larger terms.

Third Coast Bancshares renewed and modified its loan with American National Bank & Trust, keeping an important holding-company funding source in place. The amendment extends the maturity to March 10, 2028 and raises the maximum commitment from $55,000,000 to $70,000,000.

As of March 10, 2026, borrowings under this agreement were $54,875,000, and all issued and outstanding capital stock of Third Coast Bank is pledged as collateral. This indicates secured, lender-backed confidence but also structural subordination to bank-level creditors.

The change primarily affects the company’s funding flexibility and refinancing risk profile rather than its current earnings. Future company filings may detail how much of the expanded commitment it draws and on what terms, which will shape the long-term cost and usage of this facility.

8-K Event Classification

3 items: 1.01, 2.03, 9.01

3 items

Item 1.01 Entry into a Material Definitive Agreement Business

The company signed a significant contract such as a merger agreement, credit facility, or major partnership.

Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement Financial

The company incurred a new significant debt or off-balance-sheet obligation.

Item 9.01 Financial Statements and Exhibits Exhibits

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

Key Figures

Outstanding borrowings: $54,875,000 Prior maximum commitment: $55,000,000 New maximum commitment: $70,000,000 +2 more

5 metrics

Outstanding borrowings $54,875,000 Borrowings under Loan Agreement as of March 10, 2026

Prior maximum commitment $55,000,000 Maximum commitment under Loan Agreement before amendment

New maximum commitment $70,000,000 Maximum commitment after Renewal, Extension and Modification of Loan

Old maturity date March 10, 2026 Original maturity of loan before amendment

New maturity date March 10, 2028 Extended maturity under amended Loan Agreement

Key Terms

Material Definitive Agreement, Renewal, Extension and Modification of Loan, Loan Agreement, collateral, +1 more

5 terms

Material Definitive Agreement regulatory

"Item 1.01 Entry into a Material Definitive Agreement."

A material definitive agreement is a legally binding contract that creates major, long‑term obligations or rights for a company, such as loans, asset sales, mergers, or supplier deals. Think of it like a mortgage or lease for a business: it can change future cash flow, risk and control, so investors watch these agreements closely because they can materially affect a company’s value, financial health and stock price.

Renewal, Extension and Modification of Loan financial

"entered into a Renewal, Extension and Modification of Loan (the “Amendment”)"

Loan Agreement financial

"the Loan Agreement, dated March 10, 2021, by and between the Company and American National Bank & Trust"

A loan agreement is a formal contract between a borrower and a lender that outlines the terms of a loan, including how much money is borrowed, how and when it will be repaid, and any interest or fees involved. It is like a detailed agreement that ensures both parties understand their responsibilities, helping to prevent misunderstandings. For investors, it provides clarity about the borrower's obligations and the risk involved in lending money.

collateral financial

"it had pledged all of the issued and outstanding capital stock of Third Coast Bank as collateral for the loan"

Collateral is an asset a borrower pledges to a lender as security for a loan; if the borrower fails to repay, the lender can take the asset to recover losses. For investors, collateral matters because it reduces lender risk, influences interest rates and loan terms, and determines who gets paid first if a company faces financial trouble—think of it like a pawned item that gives the lender extra protection.

Emerging growth company regulatory

"Emerging growth company Item 1.01 Entry into a Material Definitive Agreement."

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What loan agreement did Third Coast Bancshares (TCBX) modify in this 8-K?

Third Coast Bancshares modified its Loan Agreement dated March 10, 2021 with American National Bank & Trust. The filing describes a Renewal, Extension and Modification of Loan that updates key terms such as maturity and maximum commitment under this existing financing arrangement.

How much debt does Third Coast Bancshares (TCBX) have outstanding under the loan?

As of March 10, 2026, Third Coast Bancshares had outstanding borrowings of $54,875,000 under the Loan Agreement. This figure reflects the amount already drawn against the facility before considering the increased maximum commitment granted by the new amendment.

What changes were made to the loan maturity for Third Coast Bancshares (TCBX)?

The amendment extends the loan’s maturity date from March 10, 2026 to March 10, 2028. This two-year extension reduces near-term refinancing pressure and keeps the existing lending relationship in place for a longer period under the modified agreement.

How did the maximum commitment change in Third Coast Bancshares (TCBX) loan amendment?

The amendment increases the loan’s maximum commitment from $55,000,000 to $70,000,000. This higher commitment gives Third Coast Bancshares additional borrowing capacity under the same relationship with American National Bank & Trust, subject to the detailed terms of the Loan Agreement.

What collateral secures the Third Coast Bancshares (TCBX) loan with American National Bank & Trust?

Third Coast Bancshares has pledged all of the issued and outstanding capital stock of Third Coast Bank as collateral for the loan. This means the bank subsidiary’s equity supports the holding company’s borrowing under the Loan Agreement and its amended terms.

Which 8-K items does Third Coast Bancshares (TCBX) reference in this filing?

The filing primarily addresses Item 1.01, Entry into a Material Definitive Agreement, describing the loan amendment. It also references Item 2.03, Creation of a Direct Financial Obligation, by incorporating the Item 1.01 information regarding the renewed and modified loan arrangement.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/01/2026 - 04:30 PM EDT Learn about SEC filing dates

false000178173000017817302026-03-102026-03-10

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): March 10, 2026

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 1.01 Entry into a Material Definitive Agreement.

Effective March 10, 2026 (the “Effective Date”), Third Coast Bancshares, Inc. (the “Company”) entered into a Renewal, Extension and Modification of Loan (the “Amendment”) of the Loan Agreement, dated March 10, 2021, by and between the Company and American National Bank & Trust (the “Loan Agreement”). As of March 10, 2026, the Company had outstanding borrowings under the Loan Agreement of $54,875,000 and it had pledged all of the issued and outstanding capital stock of Third Coast Bank as collateral for the loan under the Loan Agreement.

The Amendment, among other things, (i) extends the maturity date of the loan under the Loan Agreement from March 10, 2026 to March 10, 2028; and (ii) increases the maximum commitment under the Loan Agreement from $55,000,000 to $70,000,000.

The foregoing description of the Amendment does not purport to be complete and is qualified in its entirety by reference to the full text of the Amendment, a copy of which is attached hereto as Exhibit 10.1 and is incorporated herein by reference.

Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.

The information set forth in Item 1.01 of this Current Report on Form 8-K is hereby incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit Number		Description of Exhibit
10.1		Renewal, Extension and Modification of Loan, effective March 10, 2026, by and between Third Coast Bancshares, Inc. and American National Bank & Trust
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:	May 1, 2026	By:	/s/ R. John McWhorter
			R. John McWhorter Chief Financial Officer

Filing Exhibits & Attachments

2 documents

Agreements & Contracts

• EX-10.1 EX-10.1 34.4 KB

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT 27.6 KB