Welcome to our dedicated page for PROSPERITY BANCSHARES SEC filings (Ticker: PB), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Prosperity Bancshares Inc. filings document the public-company records of a Texas-based regional financial holding company and its Prosperity Bank operations. Recent Form 8-K reports furnish quarterly operating results, including bank earnings, loan and deposit measures, net interest margin and credit-loss allowance disclosures.
The filing record also covers annual meeting results, director elections, auditor ratification, advisory compensation votes and definitive proxy disclosures on board governance and executive compensation. Material-event filings document completed bank mergers, related merger agreements, common-stock issuance in acquisition consideration and capital-structure matters.
Prosperity Bancshares, Inc. (PB) furnished an update on its business by announcing that it publicly released a press release with financial results for the third quarter ended September 30, 2025. The company furnished this information under Item 2.02 and attached the release as Exhibit 99.1.
The company stated that, per General Instruction B.2, the information in Item 2.02 and Exhibit 99.1 is furnished and not deemed “filed” under the Exchange Act.
Prosperity Bancshares (PB) reported that a director sold a total of 1,100 shares of common stock on 10/22/2025, executed in multiple trades at weighted-average prices within $62.82–$63.77.
Following these transactions, the director beneficially owned 90,415 shares directly. Indirect holdings included 107,693 shares through a profit sharing plan and 43,500 shares as trustee of a trust for an adult daughter. Additional indirect positions were reported as 2,000 by spouse, 8,820 as trustee of grandchildren’s trust, 3,720 by trust, and 70,070 by a limited partnership.
Prosperity Bancshares, Inc. (PB) reported an insider transaction on a Form 4. A company officer (EVP/Director of Corporate Strategy) acquired 10,000 shares of common stock on 10/21/2025 at a reported price of $0.
After this transaction, the reporting person’s beneficial holdings were 77,809 shares direct, plus 6,920 shares held by a children’s trust and 3,199 shares held by an IRA.
Prosperity Bancshares (PB) reported an insider stock acquisition. A Director and the company’s President & COO acquired 30,000 shares of common stock on 10/21/2025 at a reported price of $0, consistent with a grant or award.
Following the transaction, the insider beneficially owns 273,306 shares directly, plus 6,105 shares indirectly held by an IRA. The filing indicates it was made by one reporting person.
Prosperity Bancshares (PB) director filed a Form 4 reporting open‑market sales on 10/15/2025. The filing lists multiple small sales of common stock at weighted average prices around $65–$66, with price ranges disclosed in footnotes. Following the transactions, direct holdings were reported at 90,915 shares. Sales also occurred in accounts reported as indirect, including a profit sharing plan and trusts, with updated post‑transaction balances shown for each.
Dimensional Fund Advisors LP reported beneficial ownership of 4,784,022 shares of Prosperity Bancshares Inc common stock, representing 5.0% of the outstanding class as of 09/30/2025. Dimensional states these shares are owned by client Funds it advises and disclaims beneficial ownership, while reporting it has sole voting power over 4,691,351 shares and sole dispositive power over 4,784,022 shares. The filing follows Schedule 13G disclosure standards for institutional investors and reiterates that holdings are in the ordinary course of business and not for control purposes.
Ned S. Holmes, a director of Prosperity Bancshares, Inc. (PB), reported sales of 1,100 shares on 10/08/2025 under Section 16. The Form 4 shows three sale entries: two blocks of 500 shares and one block of 100 shares, with weighted average prices reported near $65.66. The footnotes disclose the sales occurred in multiple transactions at prices ranging roughly from $65.33 to $65.88. The filing lists remaining beneficial holdings across direct and indirect vehicles (including a profit sharing plan, trusts, spouse and limited partnership) and was signed by an attorney-in-fact on 10/09/2025.
Ned S. Holmes, a director of Prosperity Bancshares, reported sales of common stock on 10/01/2025. The Form 4 shows three non-derivative dispositions: 500 shares sold at a weighted average price of $66.645, 500 shares sold at a weighted average price of $66.6236, and 100 shares sold at a weighted average price of $66.5917. Post-transaction holdings are reported across direct and indirect accounts, including 91,915 shares directly and several indirect holdings: 109,193 shares in a profit-sharing plan, 43,800 as trustee for an SSH trust, 2,000 by spouse, 8,820 as trustee of a grandchildren's trust, 3,720 by a trust, and 70,070 by a limited partnership. The form was signed on behalf of the reporting person by an attorney-in-fact on 10/02/2025.
Prosperity Bancshares, Inc. has entered into a definitive merger agreement to acquire Southwest Bancshares, Inc., the parent of Texas Partners Bank. Under the agreement, all outstanding Southwest stock and restricted stock awards will be converted into the right to receive an aggregate of 4,062,520 shares of Prosperity common stock, with cash paid in lieu of fractional shares. Outstanding Southwest stock options and warrants will be cashed out rather than converted into Prosperity equity.
The deal is subject to customary conditions, including regulatory approvals and approval by Southwest shareholders, and is expected to close during the first quarter of 2026. Prosperity also posted an investor presentation about the proposed Southwest acquisition on its website and furnished it, along with a joint press release, as exhibits to this report.
Prosperity Bancshares and American Bank Holding Corporation (ABHC) have filed an amended S-4 registration/proxy describing a merger in which ABHC shareholders will receive Prosperity common stock (with cash for fractional shares). The S-4 is intended to be effective to obtain the requisite ABHC shareholder vote and, if applicable conditions are met, the transaction is structured to be generally tax-free for U.S. federal income tax purposes for ABHC holders. The merger agreement includes detailed covenants on employee benefits, regulatory approvals, minimum allowance for loan losses (at least 1.05% of Total Loans or $18.4M), voting agreements, and customary closing conditions.