Prosperity and Stellar Secure Fed Waiver, Set Stellar Shareholder Vote for May 27

Mergers between financial institutions require substantial regulatory oversight to ensure market stability and prevent undue concentration. Banking regulators, including the Federal Reserve, the Federal Deposit Insurance Corporation (FDIC), and state-level departments, review such proposals. Their assessments cover financial health, competition, and public interest factors.

Prosperity Bancshares and Stellar Bancorp announced on April 22, 2026, they received a critical waiver from the Federal Reserve Bank of Dallas. This waiver allows the merger to proceed without specific prior approval steps often required, streamlining the regulatory timeline. Concurrently, the companies secured approvals from the Federal Deposit Insurance Corporation (FDIC), which insures deposits and oversees bank safety, and the Texas Department of Banking. These announcements confirm all required regulatory consents for both the merger of the parent companies and the subsequent merger of their banking subsidiaries are now complete.

The original merger agreement, dated January 27, 2026, outlined the combination of these two Texas-based entities. With all regulatory hurdles cleared, the transaction moves toward its anticipated completion around July 1, 2026. This extensive review process by federal and state authorities validates the structural and financial aspects of the proposed combination.

The final internal step involves the shareholders of Stellar Bancorp. A special meeting is set for May 27, 2026, where Stellar shareholders will consider and vote on the merger agreement. Shareholder approval is a fundamental governance mechanism, requiring the consent of the company's owners for significant corporate actions like a merger or acquisition. Prosperity Bancshares (NYSE: PB) operates with an approximate market capitalization of $5.5 billion, while Stellar Bancorp (NASDAQ: STLR) maintains a market value near $500 million. The combined entity would create a larger regional banking presence, impacting market dynamics in the regions served.

The outcome of Stellar's shareholder vote will determine the finalization of the merger and its expected July 1, 2026, completion.