# EDGAR Filing Document

**Accession Number:** 0001499422
**File Stem:** 0001437749-26-011393
**Filing Date:** 2026-4
**Character Count:** 5115
**Document Hash:** f3b6c0b4e38c19413aa893f621ccb673
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001437749-26-011393.hdr.sgml**: 20260406

**ACCESSION NUMBER**: 0001437749-26-011393

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260401

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**FILED AS OF DATE**: 20260406

**DATE AS OF CHANGE**: 20260406

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RBB Bancorp
- **CENTRAL INDEX KEY:** 0001499422
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 272776416
- **STATE OF INCORPORATION:** CA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38149
- **FILM NUMBER:** 26841460

**BUSINESS ADDRESS:**
- **STREET 1:** 1055 WILSHIRE BOULEVARD
- **STREET 2:** SUITE 1200
- **CITY:** LOS ANGELES
- **STATE:** CA
- **ZIP:** 90017
- **BUSINESS PHONE:** 213-533-7918

**MAIL ADDRESS:**
- **STREET 1:** 1055 WILSHIRE BOULEVARD
- **STREET 2:** SUITE 1200
- **CITY:** LOS ANGELES
- **STATE:** CA
- **ZIP:** 90017

?xml version='1.0' encoding='ASCII'? rbb20260403_8k.htm

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**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549** 

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**FORM**8-K**

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**CURRENT REPORT** 

**Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934** 

**Date of Report (Date of earliest event reported): April 6, 2026 (**April 1**, 2026**)** 

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**RBB BANCORP**

**(Exact name of Registrant as Specified in Its Charter)** 

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| | | |
|:---|:---|:---|
| **California** | **001-38149** | **27-2776416** |
| **(State or Other Jurisdiction**<br> **of Incorporation)** | **(Commission**<br> **File Number)** | **(IRS Employer**<br> **Identification No.)** |
| **1055 Wilshire Blvd., 12<sup>th</sup>** **floor,**<br> **Los Angeles**,**California** |  | **90017** |
| **(Address of Principal Executive Offices)** |  | **(Zip Code)** |

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**Registrant's Telephone Number, Including Area Code: (**213**)**627-9888**

**Not Applicable** 

**(Former Name or Former Address, if Changed Since Last Report)** 

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instructions A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12 (b) of the Act:

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading**<br> **Symbol(s)** | **Name of exchange on which registered** |
| Common Stock, No Par Value | RBB | NASDAQ Global Select Market |

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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**Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.**

On April 1, 2026, Dr. Christopher Lin, Ph.D, a current member of the Board of Directors (the "Board") of RBB Bancorp (the "Company") and the Board of Directors (the "Bank Board") of Royal Business Bank, advised the Board Chair that he will be retiring from the Board and the Bank Board effective as of the Company's 2026 Annual Meeting of Shareholders (the "Annual Meeting"), and as such, will not stand for re-election as a member of the Board at the Annual Meeting. Dr. Lin currently serves as a member of the Board's Audit Committee, Directors Loan Committee and Community Reinvestment Act Committee, and will retire from those roles when he retires from the Board. Dr. Lin's decision to retire did not involve any disagreement with Company management, the Board or the Bank Board on any matter relating to the Company's operations, policies or practices.

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**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

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| | | |
|:---|:---|:---|
|  | RBB BANCORP<br> (Registrant) | RBB BANCORP<br> (Registrant) |
| Date: April 6, 2026 | By: | /s/ Lynn Hopkins |
|  |  | **Lynn Hopkins** |
|  |  | **Chief Financial Officer** |

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