Prosperity Bancshares, Inc. completed its acquisition of Stellar Bancorp, Inc., with Stellar merging into Prosperity as the surviving corporation on July 1, 2026. The transaction consideration consisted of 0.3803 shares of Prosperity common stock and $11.36 in cash per share of Stellar common stock, resulting in the issuance of approximately 19.4 million new Prosperity shares and a total cash payment of $578.7 million. This filing serves as an amendment to include Stellar’s audited financial statements for fiscal years ended December 31, 2025, 2024, and 2023, along with unaudited condensed statements for the quarter ended March 31, 2026, and pro forma combined financial information. Prosperity Bancshares operates in the banking industry, providing financial services through its subsidiary bank.

Prosperity Bancshares, Inc. reported second quarter 2026 net income of $168.6 million, or $1.67 per diluted share, compared to $135.2 million, or $1.42 per diluted share, in the prior-year period. The results reflect significant growth following the July 1, 2026, merger of Stellar Bancorp, Inc. into the company, as well as previous acquisitions of American Bank Holding Corporation and Southwest Bancshares, Inc. Net interest margin increased to 3.47% from 3.18% a year ago. Total assets reached $43.873 billion at June 30, 2026, up from $38.417 billion at June 30, 2025. The company also announced a third quarter 2026 cash dividend of $0.60 per share. Prosperity Bancshares is a financial holding company providing banking and investment services.

On July 1, 2026, Prosperity Bancshares, Inc. completed the acquisition of Stellar Bancorp, Inc. Total consideration was approximately $590 million in cash and 19 million shares of Prosperity common stock. Stellar shareholders received 0.3803 shares of Prosperity stock and $11.36 in cash per share. Prosperity assumed approximately $2.17 billion in obligations from the Federal Home Loan Bank of Dallas. Robert R. Franklin, Jr. and Joseph B. Swinbank joined the Board of Directors, with Mr. Franklin also appointed as Vice Chairman of Prosperity and Prosperity Bank under a three-year employment agreement featuring an annual base salary of $1,120,187 and a $3 million signing bonus. The company operates in the financial services industry as a bank holding company.