Recent developments include the announcement and progress of the merger agreement with Prosperity Bancshares, and the release of Q1 2026 financial results showing positive earnings and revenue performance.

• Stellar Bancorp announced Q1 2026 earnings with net income of $26.97 million and EPS of $0.53, reflecting positive financial performance [N1][N2][S2].
• The company entered into a merger agreement with Prosperity Bancshares, Inc. on January 27, 2026, with the merger subject to customary closing conditions including shareholder and regulatory approvals [S20][S21].
• The merger agreement includes provisions for the appointment of Stellar directors to Prosperity's boards and termination fees under certain conditions [S17][S21].
• No material changes in risk factors were reported in the latest 10-Q filing, with merger-related risks detailed in prior filings [S2].
• Recent news highlights Stellar Bancorp as a momentum pick and details the strategic implications of the merger with Prosperity Bancshares [N5][N8].

The merger with Prosperity Bancshares represents a significant strategic transaction that could enhance operational scale and market reach. Stellar Bancorp's recent financial performance, including positive net income and earnings per share in Q1 2026, indicates operational profitability. The company's governance framework and regulatory compliance provide a foundation for stable operations. Positive recent news coverage highlights the company's momentum and investor interest.

Risks include potential delays or difficulties in completing the merger, including obtaining shareholder and regulatory approvals. Integration challenges post-merger could affect operational continuity and cost structures. The company faces reputational risks and possible disruptions to customer and employee relationships during the transaction period. Banking sector risks such as economic downturns, regulatory changes, and competitive pressures remain relevant. The merger agreement includes termination fees and conditions that could impact transaction completion.

Stellar Bancorp operates in the regulated banking sector, which benefits from regulatory barriers to entry and established customer relationships. Its governance policies and compliance with regulatory requirements support operational integrity. The pending merger with Prosperity Bancshares may create scale advantages and operational synergies, potentially enhancing competitive positioning. However, the banking industry is subject to competitive pressures, regulatory changes, and economic cycles that can impact profitability and growth.

• Merger Completion Risks: The merger is subject to customary closing conditions including shareholder approval, regulatory approvals, and absence of legal restraints. Failure to satisfy these conditions or delays could impact the transaction.
• Integration Risks: Post-merger integration of Stellar's business into Prosperity may be delayed, more costly, or more difficult than anticipated, potentially affecting operational performance.
• Reputational and Operational Disruption: The announcement and pendency of the merger may disrupt business operations, customer relationships, and employee morale.
• Regulatory and Legal Risks: The transaction requires approvals from multiple regulatory bodies and is subject to potential legal proceedings that could affect completion or terms.
• Market and Economic Risks: General competitive, economic, political, and market conditions may affect future results and the combined company's performance.

• Stellar Bancorp, Inc. is a Texas corporation with a wholly owned banking subsidiary, Stellar Bank [S1].
• The company is engaged in banking operations and is subject to regulatory oversight including the Federal Reserve, FDIC, and Texas Department of Banking [S1].
• Stellar Bancorp entered into a merger agreement with Prosperity Bancshares, Inc. on January 27, 2026, under which Stellar will merge into Prosperity, with Prosperity continuing as the surviving corporation [S20].
• The merger includes the merger of Stellar Bank into Prosperity Bank, the wholly owned banking subsidiary of Prosperity [S20].
• The merger agreement was unanimously approved by the boards of both companies and is subject to customary closing conditions including shareholder approval, regulatory approvals, and absence of legal restraints [S21].
• The merger agreement includes provisions for a termination fee payable by Stellar under certain circumstances [S21].
• The merger agreement provides for the appointment of two Stellar directors to the boards of Prosperity and Prosperity Bank upon closing [S17].
• Stellar Bancorp has policies to comply with regulatory requirements on related person transactions and director independence, with a majority of its board members determined to be independent under NYSE and SEC rules [S1].
• The company’s independent auditor is Crowe LLP, with audit fees disclosed for 2024 and 2025 [S1].
• Stellar Bancorp reported financial results for Q1 2026 in a press release filed on April 28, 2026 [S11, S19].
• As of March 31, 2026, Stellar Bancorp had cash and cash equivalents of $549.57 million and net income of $26.97 million for Q1 2026, with basic and diluted EPS of $0.53 per share [S2].
• Recent news reports highlight Stellar Bancorp’s Q1 2026 earnings and revenue performance, noting positive financial metrics [N1, N2].
• The company is publicly traded on the New York Stock Exchange under the ticker STEL [S11].
• The merger is subject to regulatory approvals including from the Federal Reserve, FDIC, and Texas Department of Banking [S21].
• The company has disclosed no material changes in risk factors in its latest 10-Q filing, with risks related to the merger detailed in prior filings [S2].