Third Coast Bancshares Inc — Current Report (Form 8-K)

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

THIRD COAST BANCSHARES, INC.

(Exact name of Registrant as Specified in Its Charter)

(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:

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

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 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On May 21, 2026, the shareholders of Third Coast Bancshares, Inc. (the “Company”) approved the Amended and Restated Third Coast Bancshares, Inc. 2019 Omnibus Incentive Plan (the “Restated Plan”) at the Company’s Annual Meeting of Shareholders. The Company’s board of directors approved the Restated Plan on April 16, 2026, subject to the approval of the Company’s shareholders. The Restated Plan is an amendment and restatement of the Company’s 2019 Omnibus Incentive Plan (the “2019 Plan”). The Restated Plan (a) increased the number of shares of the Company’s common stock reserved for issuance under the 2019 Plan by an additional 375,000 shares, (b) added certain minimum vesting requirements, (c) added provisions prohibiting the repricing of stock options and stock appreciation rights and prohibiting reload stock options, (d) modified the provisions in the 2019 Plan related to dividends and stock splits with respect to restricted stock, and (e) made certain other administrative changes.

The material terms of the Restated Plan are described in the Company’s definitive Proxy Statement, dated April 16, 2026 (the “Proxy Statement”), under the heading “Proposal 2. Approval of Amended and Restated Third Coast Bancshares, Inc. 2019 Omnibus Incentive Plan,” which is incorporated herein by reference.

The foregoing description of the Restated Plan and the discussion of the terms and conditions of the Restated Plan contained in the Proxy Statement are both qualified in their entirety by reference to the full text of the Restated Plan, a copy of which is attached hereto as Exhibit 10.1 and incorporated herein by reference.

Item 5.07 Submission of Matters to a Vote of Security Holders.

On May 21, 2026, the Company held its Annual Meeting of Shareholders to consider and act upon the items listed below:

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

† Indicates a management contract or compensatory plan.

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.