RBB Bancorp

During the quarter ended September 30, 2026, no officer or director of the Company adopted or terminated any contract, instruction, or written plan for the purchase or sale of securities of our common stock that is intended to satisfy the affirmative defense conditions of Exchange Act Rule 10b5-1(c) or any non-Rule 10b5-1 trading arrangement as defined in 17 CFR§ 229.408(c).

On November 5, 2026, the Company entered into an Employment Transition and Separation Agreement (the "Separation Agreement") with Gary Fan, the Bank's former Executive Vice President and Chief Operations Officer. In accordance with the terms of his employment agreement and as reflected in the Separation Agreement, Mr. Fan will receive a severance payment in the amount of $180,500, which is equal to six (6) months of his current annual base salary. In addition, the Company will pay Mr. Fan a lump sum amount equal to $200,000 in recognition of his contributions and leadership during his tenure with the Bank. The Company anticipates making each payment during January 2027, subject to Mr. Fan's execution of a general release of claims in favor of the Company and other related parties. The Separation Agreement, including the form of general release of claims, is attached as Exhibit 10.1 to this Quarterly Report on Form 10-Q.