HOPKINS LYNN M (Interim EVP/CFO) exercised options at RBB BANCORP

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise

HOPKINS LYNN M

Filed: 3/24/2026ACC: 0001437749-26-009576

InsiderHOPKINS LYNN MCIK 1179851

→

IssuerRBB BANCORPCIK 1499422

Officer· Interim EVP/CFO

Since Dec 2023

-674.00

Net shares

Net seller

$13.8K

Total sold

Open market trades

0B · 0S

Total transactions

1.88K acquired · 2.55K disposed

Non-Derivative Transactions2

Common Stock, No Par Value

Direct

M · Option Exercise

+1.88K

Price / share

$20.43

Trade value

$38.37K

% of position

80.4%

3/20/2026

2.34K→4.21K

Common Stock, No Par Value

Direct

F · Tax Withholding

−674.00

Price / share

$20.43

Trade value

$13.77K

% of position

16.0%

3/20/2026

4.21K→3.54K

Total

Net shares

+1.20K

Net value

$24.60K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock, No Par Value Direct	3/20/2026	M · Option Exercise	+1.88K	$20.43	$38.37K	80.4%	2.34K	4.21K
Common Stock, No Par Value Direct	3/20/2026	F · Tax Withholding	−674.00	$20.43	$13.77K	16.0%	4.21K	3.54K
Total			+1.20K		$24.60K

Derivative Transactions1

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

3.76K shares

−1.88K

Strike price

20.43

Held after

1.88K

Exercisable

—

3/20/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Stock3.76K shares	3/20/2026	M · Option Exercise	−1.88K	20.43	—	1.88K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)4

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

7.67K

Shares owned

7.67K

Exercise price

0.0000

Expiration

—

Exercise window

—

Performance Stock Units

Direct

Underlying security

Common Stock

Underlying shares

8.45K

Shares owned

8.45K

Exercise price

0.0000

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

7.02K

Shares owned

7.02K

Exercise price

0.0000

Expiration

—

Exercise window

—

Performance Stock Units

Direct

Underlying security

Common Stock

Underlying shares

10.52K

Shares owned

10.52K

Exercise price

0.0000

Expiration

—

Exercise window

—

Total

Underlying

33.66K

Owned

33.66K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Restricted Stock Units Direct	Common Stock	0.0000	—	—	7.67K	7.67K
Performance Stock Units Direct	Common Stock	0.0000	—	—	8.45K	8.45K
Restricted Stock Units Direct	Common Stock	0.0000	—	—	7.02K	7.02K
Performance Stock Units Direct	Common Stock	0.0000	—	—	10.52K	10.52K
Total					33.66K	33.66K