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SUBSEQUENT EVENT | 12 Months Ended
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Dec. 31, 2025
Subsequent Events [Abstract] |
SUBSEQUENT EVENT | SUBSEQUENT EVENT Pending Merger On January 27, 2026, the Company entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Prosperity Bancshares, Inc., a Texas corporation (“Prosperity”). The Merger Agreement provides that, upon the terms and subject to the conditions set forth therein, the Company will merge with and into Prosperity (the “Merger”), with Prosperity continuing as the surviving corporation in the Merger. Immediately following the Merger, Stellar Bank will merge with and into Prosperity’s wholly owned banking subsidiary, Prosperity Bank (the “Bank Merger”). Prosperity Bank will continue as the surviving bank in the Bank Merger. Upon the terms and subject to the conditions set forth in the Merger Agreement, at the effective time of the Merger (the “Effective Time”), each share of common stock, par value $0.01 per share, of the Company (“Stellar Common Stock”) outstanding immediately prior to the Effective Time, other than certain shares held by Prosperity or the Company and shares held by a holder of Stellar Common Stock who has properly exercised applicable dissenters’ rights in respect of such share, will be converted into the right to receive (1) 0.3803 shares of common stock, par value $1.00 per share, of Prosperity and (2) an amount in cash equal to $11.36. The completion of the Merger is subject to customary conditions, including approval of the Company’s shareholders and regulatory approvals. Dividend Declaration On February 25, 2026, the Company declared a cash dividend of $0.15 per share of common stock to be paid on March 31, 2026 to all shareholders of record as of Marc h 16, 20 26.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/855/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483399/855-10-50-2 + Details
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