{"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","discovered_at":"2026-05-14T18:03:39.076134+00:00","generated_at":"2026-06-15T02:26:07.954701+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"RBB Bancorp director Paul Lin resigns citing governance, ethics concerns","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-23-014200","json":"https://secwatch.observer/filing/0001437749-23-014200.json","markdown":"https://secwatch.observer/filing/0001437749-23-014200.md","text":"https://secwatch.observer/filing/0001437749-23-014200.txt","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"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-15T02:26:07.954701+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"be574711ab","claim":"Paul Lin resigned as director at RBB Bancorp.","evidence_excerpt":"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_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1499422/000143774923014200/0001437749-23-014200-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}