Third Coast Bancshares, Inc.
For the period ended Sep 30, 2025. Filed Nov 4, 2025.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2025 · Filed Nov 4, 2025
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Item 6. Exhibits
| ExhibitNumber | Description |
| 2.1# | Agreement and Plan of Reorganization, dated as of October 22, 2025, by and among Third Coast Bancshares, Inc., Arch Merger Sub, Inc., and Keystone Bancshares, Inc. (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed with the SEC on October 27, 2025). |
| 3.1 | First Amended and Restated Certificate of Formation of Third Coast Bancshares, Inc. (incorporated by reference to Exhibit 3.1 to the Company's Form S-1 filed with the SEC on October 15, 2021). |
| 3.2 | First Amended and Restated Bylaws of Third Coast Bancshares, Inc. (incorporated by reference to Exhibit 3.2 to the Company's Form S-1 filed with the SEC on October 15, 2021). |
| 3.3 | Certificate of Designation, Preferences and Rights of Series A Convertible Non-Cumulative Preferred Stock of Third Coast Bancshares, Inc. (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed with the SEC on October 6, 2022). |
| 3.4 | Certificate of Designation, Preferences and Rights of Series B Convertible Perpetual Preferred Stock of Third Coast Bancshares, Inc. (incorporated by reference to Exhibit 3.2 to the Company’s Current Report on Form 8-K filed with the SEC on October 6, 2022). |
| 3.5 | Certificate of Amendment to Certificate of Formation of Third Coast Bancshares, Inc. (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed with the SEC on May 26, 2023). |
| 4.1 | Form of Common Stock Certificate (incorporated by reference to Exhibit 4.1 to the Company's Form S-1 filed with the SEC on October 15, 2021). |
| 4.2 | Indenture, dated as of March 31, 2022, by and between Third Coast Bancshares, Inc. and UMB Bank, N.A., as trustee (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the SEC on April 1, 2022). |
| 4.3 | Form of 5.500% Fixed-to-Floating Rate Subordinated Note due 2032 (incorporated by reference to Exhibit 4.2 to the Company’s Current Report on Form 8-K filed with the SEC on April 1, 2022). |
| 4.4 | Form of Warrant Agreement (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the SEC on October 6, 2022). |
| 10.1 | Form of Keystone Voting Agreement (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the SEC on October 27, 2025). |
| 10.2 | Form of Keystone Director Support Agreement (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed with the SEC on October 27, 2025). |
| 31.1* | Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
| 31.2* | Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
| 32.1** | Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. |
| 32.2** | Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. |
| 101.INS | Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because XBRL tags are embedded within the Inline XBRL document. |
| 101.SCH | Inline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |
Schedules (or similar attachments) have been omitted pursuant to Item 601(a)(5) of Regulation S-K. A copy of any omitted schedule (or similar attachment) will be furnished supplementally to the SEC upon request; provided, however, that the parties may request confidential treatment pursuant to Rule 24b-2 of the Exchange Act for any document so furnished.
- Filed herewith.
** These exhibits are furnished herewith and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liability of that section, and shall not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act.
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