MIDDLEFIELD BANC CORP

Ticker: MBCN CUSIP: 596304204 Class: Common Stock

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q4 2025

Shares 29,797 Value ($000) $1,029 Avg Close $32.90 Range $26.92 - $37.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	29,797	$1,029	$32.90	$26.92 - $37.45