LEE JOHNNY C 4

4 · RBB Bancorp · Filed May 8, 2026

AI-generated summary of this filing

Updated May 9, 2026

RBB Bancorp CEO Johnny C. Lee Exercises Options, Sells Shares

What Happened

Johnny C. Lee, President, CEO and a director of RBB Bancorp (RBB), had derivative awards converted/exercised that resulted in issuance of 4,356 shares on 2026-05-08. The reported exercise/issuance value was $104,762 (4,356 shares × $24.05). To satisfy tax/withholding obligations, 1,563 shares (valued at $37,590) were surrendered/disposed, leaving a net 2,793 shares issued to him. The filing notes these shares were issued for vesting of a 05/08/2025 RSU grant and some were used to settle tax withholding.

Key Details

Transaction date: 2026-05-08.
Primary entries: 4,356 shares acquired via exercise/conversion at $24.05 (total $104,762); 1,563 shares disposed to cover tax/exercise obligations at $24.05 (total $37,590). A related derivative conversion entry is reported at $0.00 (administrative conversion of award).
Net new shares retained by Lee: 2,793 (4,356 − 1,563).
Shares owned after transaction: not stated in the provided filing excerpt.
Footnotes/vesting: filing references RSU/PSU vesting schedules and performance conditions; remark notes these shares related to the 05/08/2025 RSU vesting and tax withholding. Several awards have future vesting dates/conditions (see filing footnotes).
Filing timeliness: filing date and period of report are both 2026-05-08 (no late filing indicated).

Context

This was essentially an award vesting / derivative conversion with a routine share withholding to cover taxes — a common administrative step that does not necessarily signal buy/sell intent on the market. The transaction combined an acquisition (exercise/vest) with a partial disposition solely for tax payment.

Form 4

Period: 2026-05-08

DirectorPresident/CEO

Transactions

Exercise/Conversion
Common Stock, No Par Value
2026-05-08$24.05/sh+4,356$104,762→ 16,232 total
Tax Payment
Common Stock, No Par Value
2026-05-08$24.05/sh−1,563$37,590→ 14,669 total
Exercise/Conversion
Restricted Stock Units
[F6][F2]
2026-05-08−4,356→ 8,712 total
Exercise: $24.05→ Common Stock (13,068 underlying)

Holdings

Restricted Stock Units
[F3][F2]
Exercise: $0.00→ Common Stock (1,098 underlying)
1,098
Restricted Stock Units
[F1][F2]
Exercise: $0.00→ Common Stock (5,500 underlying)
5,500
Restricted Stock Units
[F4][F2]
Exercise: $0.00→ Common Stock (2,740 underlying)
2,740
Performance Stock Units
[F5][F2]
Exercise: $0.00→ Common Stock (12,332 underlying)
12,332
Performance Stock Units
[F7][F2]
Exercise: $0.00→ Common Stock (19,602 underlying)
19,602

Footnotes (7)

[F1]These remaining restricted stock units vest on 07/20/2026.
[F2]There will be no expiration date once restricted stock units vest.
[F3]These remaining restricted stock units vest on 02/21/2027.
[F4]These remaining stock units vest on 03/20/2027.
[F5]These performance stock units ("PSUs") will vest conditionally on the achievement of certain performance goals and an employment condition. The reported PSUs will vest at the expiration of a three-year period beginning on 03/20/2024 subject to the Reporting Person's satisfaction of the employment condition.
[F6]These remaining restricted stock units vest in two equal annual installments on 05/08/2027 and 05/08/2028.
[F7]Performance Stock Units ("PSUs") to vest conditionally on the achievement of certain performance goals and an employment condition. The PSUs are awarded at a target level and have the opportunity to vest at 150% of such target level; The reported PSUs represent the maximum award that may be achieved and ultimately vest. The reported PSUs will vest at the expiration of a three-year period beginning on 05/08/2025 subject to the Reporting Person's satisfaction of the employment condition.

Signature

/s/ Johnny Lee|2026-05-08

1 file