MERCANTILE BANK CORP

Ticker: MBWM CUSIP: 587376104 Class: Common Stock

CHICAGO TRUST Co NA's Holding History (CIK: 0001601539)

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

Q4 2025

Shares 15,591 Value ($000) $750 Avg Close $45.87 Range $42.41 - $50.41

Q3 2025

Shares 15,591 Value ($000) $702 Avg Close $46.86 Range $43.03 - $49.73

Q2 2025

Shares 15,811 Value ($000) $734 Avg Close $42.36 Range $36.85 - $47.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,591	$750	$45.87	$42.41 - $50.41
Q3 2025	15,591	$702	$46.86	$43.03 - $49.73
Q2 2025	15,811	$734	$42.36	$36.85 - $47.07