RBB Bancorp

Item 5.07 Submission of Matters to a Vote of Security Holders. On May 21, 2026, RBB Bancorp (the “Company”) held its 2026 Annual Meeting of Shareholders (the “Annual Meeting”). At the Annual Meeting, the shareholders of the Company: Elected Robert M. Franko, Christina Kao, Dr. James Kao, Johnny Lee, Joyce Wong Lee, David R. Morris, Geraldine Pannu, Scott Polakoff, and Frank Wong to the board of directors of the Company (the “Board”); Approved, on a non-binding, advisory basis, the compensation of the Company's named executive officers; and Ratified the appointment of Crowe LLP as the Company’s independent auditor for the fiscal year ending December 31, 2026. ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── On March 24, 2026, the record date for the Annual Meeting, there were 17,074,159 shares of Company common stock issued, outstanding and entitled to vote. Shareholders holding 11,882,478 shares of Company common stock participated in the Annual Meeting, in person, by webcast, telephonically or by proxy. The results of the matters voted upon at the 2026 Annual Meeting were as follows: Proposal 1: Nine (9) nominees were elected to the Board with the following vote counts: FOR WITHHELD BROKER NON-VOTES ──────────────────────────────────────────────────────────────────────── Robert M. Franko 10,155,280 35,162 1,692,036 Christina Kao 10,061,397 129,045 1,692,036 Dr. James W. Kao 10,165,335 25,107 1,692,036 Johnny Lee 10,178,177 12,265 1,692,036 Joyce Wong Lee 10,166,257 24,185 1,692,036 David R. Morris 9,455,919 734,523 1,692,036 Geraldine Pannu 10,147,941 42,501 1,692,036 Scott Polakoff 9,294,784 895,658 1,692,036 Frank Wong 10,155,109 35,333 1,692,036 Proposal 2: The compensation of the Company’s named executive officers was approved, on a non-binding advisory basis, having received the following votes: FOR AGAINST ABSTAIN BROKER NON-VOTES ───────────────────────────────────────────────────────────── 9,961,044 227,006 2,392 1,692,036 Proposal 3: The appointment of Crowe LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026 was ratified, having received the following votes: FOR AGAINST ABSTAIN ──────────────────────────────────────── 11,881,286 179 1,013