Third Coast Bancshares, Inc. filings document the regulatory record of a Texas bank holding company and its ownership of Third Coast Bank. The company’s Form 8-K reports cover operating results, Regulation FD investor materials, preferred-stock dividend actions, material debt arrangements, and the completed Keystone Bancshares acquisition, including amended financial statements and pro forma information.
Proxy materials describe annual meeting matters, director elections, board and governance practices, and shareholder voting procedures. Capital-structure disclosures address common stock registered as TCBX, Series A Convertible Non-Cumulative Preferred Stock, loan commitments secured by bank stock, and related risk and cautionary-statement disclosures.
Third Coast Bancshares, Inc. (TCBX) reported third-quarter 2026 net interest income of $59.5 million, versus $50.8 million a year earlier, and net income of $19.0 million, versus $18.1 million. Diluted earnings per share were $0.93, compared with $1.03. For the first nine months of 2026, net income was $57.4 million versus $48.4 million, while net cash provided by operating activities was $15.2 million versus $45.1 million.
At September 30, 2026, total assets were $6.806 billion, deposits were $5.925 billion and loans, net, were $5.439 billion, compared with $5.341 billion, $4.627 billion and $4.351 billion, respectively, at December 31, 2025. The company acquired Keystone Bancshares, Inc. and its wholly owned subsidiary, Keystone Bank, on February 1, 2026. Substantially all assets of its subsidiary Third Coast Commercial Capital, Inc. were sold to Gulf Coast Bank & Trust Company effective June 25, 2026. A proposed acquisition of Great Plains Bancshares, Inc. is subject to required regulatory, shareholder or other approvals and closing conditions.
Third Coast Bancshares, Inc. (TCBX) Executive Vice President and Chief Banking Officer William Bobbora purchased 1,000 common shares on October 26, 2026, at $40.3398 per share. His reported direct holdings afterward were 52,855 shares; additional holdings included 2,310 shares by ESOP and 11,750 shares by IRA. No Rule 10b5-1 plan is reported.
Third Coast Bancshares, Inc. reported third-quarter 2026 net income of $19 million and diluted EPS of $0.93, versus $18.1 million and $1.30 a year earlier. The quarter included $3.2 million of merger-related expenses; excluding them, adjusted net income was approximately $21.6 million, or $1.06 per diluted share. Net interest income rose to $59.5 million from $50.8 million year over year; net interest margin was 3.7%. Gross loans ended the quarter at approximately $5.5 billion. Excluding about $87 million of loans sold through securitization, management said loan growth exceeded $144 million. Deposits totaled $5.9 billion, including $721 million of non-interest-bearing demand deposits.
Non-performing loans were 0.53% of total loans, and Third Coast recorded $27,000 in quarterly net recoveries. Tangible book value per common share reached $33.31, compared with $30.91 a year earlier. The proposed Great Plains Bancshares merger is expected to create a franchise with approximately $9 billion in assets, expand Third Coast’s Dallas presence and establish its entry into Oklahoma. Management said its best-guess closing range was February 1 through April 1, 2027, and that it hoped to close on February 1; shareholder meetings are required on both sides.
Third Coast Bancshares, Inc. (TCBX) announced financial results for the quarter ended September 30, 2026, through a press release. The company intends to hold an investor call and webcast on October 22, 2026, at 10:00 a.m. Central Time to discuss the results. Its presentation to analysts and investors contains additional information about the quarter.
Third Coast Bancshares, Inc. (TCBX) reported third-quarter 2026 net income of $19.0 million, compared with $22.0 million in the second quarter and $18.1 million a year earlier. Diluted earnings per share were $0.93, versus $1.08 and $1.03, respectively. Excluding $3.2 million of acquisition-related expenses, adjusted net income (non-GAAP) was $21.6 million, with adjusted diluted earnings per share of $1.06.
Net interest income was $59.5 million, up 17.1% year over year, while net interest margin was 3.70% versus 4.10%. Gross loans were $5.49 billion and deposits were $5.92 billion as of September 30, 2026. Nonperforming loans were $29.0 million, or 0.53% of total loans; the allowance for credit losses was $54.4 million, or 0.99% of gross loans.
Third Coast announced a definitive agreement to acquire Great Plains Bancshares in an all-stock transaction valued at approximately $239.6 million, based on Third Coast’s closing stock price on October 6, 2026. The transaction is expected to close in the first quarter of 2027.
Third Coast Bancshares, Inc. (TCBX) agreed to acquire Great Plains Bancshares, Inc. through a merger, followed by a merger of Great Plains into TCBX. Great Plains shareholders are to receive TCBX common stock using 5,570,352 shares as the base amount in the exchange-ratio calculation. If Great Plains’ adjusted equity is below the $153,300,000 minimum, the share consideration is subject to a reduction tied to the shortfall and TCBX’s closing VWAP; fractional shares are payable in cash.
The related bank merger would combine Great Plains National Bank with Third Coast Bank, which would survive. Completion depends on shareholder and regulatory approvals, an effective Form S-4 registration statement, and other conditions. Shareholders covered by voting agreements, who beneficially own approximately 27.6% of Great Plains stock in aggregate, agreed to vote for the transaction and generally not transfer their shares while the agreements remain in effect. Great Plains may owe a $11,981,827 termination fee in certain circumstances. Either party may terminate if closing conditions are not satisfied or waived by September 30, 2027.
Third Coast Bancshares, Inc. (TCBX) agreed to a two-step merger with Great Plains Bancshares, Inc., subject to closing conditions. TCBX subsidiary Thunder Merger Sub will merge into Great Plains, then Great Plains into TCBX. Each outstanding Great Plains share would convert into TCBX common stock under a formula using 5,570,352 shares divided by Great Plains shares outstanding immediately before the first merger’s effective time, rounded to the nearest ten thousandth of a share. The exchange ratio may be reduced if Great Plains does not deliver at least $153,300,000 in the specified capital, surplus and retained-earnings measure less intangible assets, with specified adjustments.
Great Plains National Bank is to merge into Third Coast Bank immediately after the second merger or later as TCBX determines. Closing requires shareholder approvals, regulatory and other consents, an effective Form S-4 and other conditions. Great Plains shareholders party to a voting agreement, beneficially owning approximately 27.6% of its outstanding stock, agreed to vote for the transaction and against alternatives. Great Plains may owe an $11,981,827 termination fee in specified circumstances.
Third Coast Bancshares, Inc. announced a proposed $239 million all-stock acquisition of Great Plains Bancshares Inc., parent company of Great Plains National Bank. The transaction is expected to close in the first quarter of 2027.
The combined institution would have approximately $9 billion in total assets, 43 branches across Texas and Oklahoma, and close to 70,000 deposit accounts. The deal would give Third Coast its first presence outside Texas. Separately, Third Coast’s Houston metropolitan area deposits were up 16% year over year as of June 30, 2026; it had $4.12 billion in deposits in the Houston-Pasadena-The Woodlands metropolitan area and ranked 12th in that market.
Third Coast Bancshares, Inc. (TCBX) agreed to pay $239.6 million in stock for Great Plains Bancshares, an Oklahoma-based bank with $1.9 billion in assets. The merger is expected to close in the first quarter of 2027 and remains subject to required regulatory and shareholder approvals and other closing conditions. It would add an Oklahoma City presence and deepen Third Coast’s Dallas footprint.
The combined bank is expected to start with roughly $9 billion in assets, $7.3 billion in loans and $7.8 billion in deposits. Third Coast projects $17 million in cost savings, equal to 20% of Great Plains’ estimated non-interest expense base, and 14% earnings-per-share accretion in 2028, the first full year of combined operations. Great Plains is expected to retain its brand as a division of Third Coast Bank.
Third Coast Bancshares, Inc. (TCBX) agreed to acquire Great Plains Bancshares in an all-stock transaction valued at approximately $239.6 million, based on TCBX’s closing stock price on October 6, 2026. The transaction has been unanimously approved by both companies’ boards.
Third Coast expects to issue 5,570,352 shares of its common stock; pro forma ownership is expected to be approximately 78% for Third Coast shareholders and 22% for Great Plains shareholders. The combined company is expected to have approximately $9 billion in assets. Closing is expected in the first quarter of 2027, subject to regulatory approvals, other closing conditions, Great Plains shareholder approval of the merger, and Third Coast shareholder approval of the share issuance. Great Plains National Bank is to merge into Third Coast Bank after the parent-company mergers.