---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-014200"
form_type: "8-K"
ticker: "RBB"
cik: "0001499422"
company_name: "RBB Bancorp"
filed_at: "2023-05-12T23:59:59+00:00"
generated_at: "2026-06-15T02:26:07.954701+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# RBB Bancorp director Paul Lin resigns citing governance, ethics concerns

## Summary
- Paul Lin resigned effective May 8, 2023 from RBB and Royal Business Bank boards, citing disagreements on governance and board investigation.
- Resignation letter alleges conflicts of interest, possible code-of-ethics violations, and inadequate internal investigation.
- Company responded that it updated governance guidelines, appointed independent directors Franko and Polakoff, and nominated Bennett and Wong.
- Over the past 12 months, six board members have resigned; two (Yu and Lin) specifically cited governance disagreements.
- Company promoted David Morris as CEO, Alex Ko as CFO, and Gary Fan as CAO during the period.

## SEC filing metadata
- accession: 0001437749-23-014200
- form_type: 8-K
- ticker: RBB
- cik: 0001499422
- company_name: RBB Bancorp
- filed_at: 2023-05-12T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1499422/000143774923014200/0001437749-23-014200-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1499422/000143774923014200/rbb20230512c_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-014200
- JSON: https://secwatch.observer/filing/0001437749-23-014200.json
- Plain text: https://secwatch.observer/filing/0001437749-23-014200.txt

## Key facts
- Executive change
  Paul Lin resigned as director at RBB Bancorp.
  - Action: resigned
  - Role: director
  source text: On May 8, 2023, Mr. Paul Lin resigned from the boards of directors (the “Boards”) of RBB Bancorp (“RBB”) and its wholly-owned subsidiary, Royal Business Bank (collectively, the “Company”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1499422/000143774923014200/0001437749-23-014200-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.