RBB BANCORP

Ticker: RBB CUSIP: 74930B105 Class: Common Stock

Cornerstone Planning Group LLC's Holding History (CIK: 0001822587)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 16 Value ($000) $0 Avg Close $19.66 Range $16.74 - $22.59

Q3 2025

Shares 288 Value ($000) $1 Avg Close $19.13 Range $17.07 - $20.65

Q2 2025

Shares 16 Value ($000) $0 Avg Close $16.29 Range $14.40 - $17.80

Q1 2025

Shares 16 Value ($000) $0 Avg Close $18.21 Range $16.27 - $20.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16	$0	$19.66	$16.74 - $22.59
Q3 2025	288	$1	$19.13	$17.07 - $20.65
Q2 2025	16	$0	$16.29	$14.40 - $17.80
Q1 2025	16	$0	$18.21	$16.27 - $20.95