RBB Bancorp — Director's Dealing 2026

Feb 24, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RBB Bancorp (RBB)
CIK: 0001499422
Period of Report: 2026-02-20

Reporting Person: Huang Tsu Te (EVP)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-20	Common Stock, No Par Value	M	744	$22.20	Acquired	16035	Direct
2026-02-20	Common Stock, No Par Value	F	307	$22.20	Disposed	15728	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-20	Restricted Stock Units	$22.20	M	744	Disposed		Common Stock (1487)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$0.0000		Common Stock (2681)	2681	Direct

Footnotes

F1: There will be no expiration date once restricted stock units vest.

F2: These restricted stock units vest in three equal annual installments beginning one year after the 02/21/2024 date of grant.

F3: These restricted stock units vest in four equal annual installments beginning one year after the 05/08/2025 date of grant.

F4: On May 12, 2025 due to an administrative error, the Reporting Person filed a Form 4 which inadvertently omitted information from the transactional columns in Table II and overstated the amount of RSUs granted to the Reporting Person on May 8, 2025. The Form 4 has also been amended to clarify that grants of RSUs will be settled in common stock.