LEE JOHNNY C

PrivateCIK: 1185980

Location

LOS ANGELES, CA

LEE JOHNNY C (President/CEO) exercised options at RBB BANCORP

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

M · 1 exercise

LEE JOHNNY C

Filed: 5/9/2026ACC: 0001437749-26-015977

InsiderLEE JOHNNY CCIK 1185980

→

IssuerRBB BANCORPCIK 1499422

DirectorOfficer· President/CEO

Since Feb 2026

-1.56K

Net shares

Net seller

$37.6K

Total sold

0

Open market trades

0B · 0S

3

Total transactions

4.36K acquired · 5.92K disposed

Non-Derivative Transactions2

Common Stock, No Par Value

Direct

M · Option Exercise

Shares

+4.36K

Price / share

$24.05

Trade value

$104.76K

% of position

36.7%

5/8/2026

11.88K→16.23K

Common Stock, No Par Value

Direct

F · Tax Withholding

Shares

−1.56K

Price / share

$24.05

Trade value

$37.59K

% of position

9.6%

5/8/2026

16.23K→14.67K

Total

Net shares

+2.79K

Net value

$67.17K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock, No Par Value Direct	5/8/2026	M · Option Exercise	+4.36K	$24.05	$104.76K	36.7%	11.88K	16.23K
Common Stock, No Par Value Direct	5/8/2026	F · Tax Withholding	−1.56K	$24.05	$37.59K	9.6%	16.23K	14.67K
Total			+2.79K		$67.17K

Derivative Transactions1

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

13.07K shares

Shares

−4.36K

Strike price

24.05

Held after

8.71K

Exercisable

—

5/8/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Stock13.07K shares	5/8/2026	M · Option Exercise	−4.36K	24.05	—	8.71K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)5

Performance Stock Units

Direct

Underlying security

Common Stock

Underlying shares

19.60K

Shares owned

19.60K

Exercise price

0.0000

Expiration

—

Exercise window

—

Performance Stock Units

Direct

Underlying security

Common Stock

Underlying shares

12.33K

Shares owned

12.33K

Exercise price

0.0000

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

1.10K

Shares owned

1.10K

Exercise price

0.0000

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

5.50K

Shares owned

5.50K

Exercise price

0.0000

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

2.74K

Shares owned

2.74K

Exercise price

0.0000

Expiration

—

Exercise window

—

Total

Underlying

41.27K

Owned

41.27K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Performance Stock Units Direct	Common Stock	0.0000	—	—	19.60K	19.60K
Performance Stock Units Direct	Common Stock	0.0000	—	—	12.33K	12.33K
Restricted Stock Units Direct	Common Stock	0.0000	—	—	1.10K	1.10K
Restricted Stock Units Direct	Common Stock	0.0000	—	—	5.50K	5.50K
Restricted Stock Units Direct	Common Stock	0.0000	—	—	2.74K	2.74K
Total					41.27K	41.27K

LEE JOHNNY C — Insider Transaction (Form 4) Filed May 9, 2026 | Finecho