MERCANTILE BANK CORP

Ticker: MBWM CUSIP: 587376104 Class: Common Stock

Siena Capital Partners GP, LLC's Holding History (CIK: 0001694886)

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

Q4 2025

Shares 83,966 Value ($000) $4,039 Avg Close $45.87 Range $42.41 - $50.41

Q3 2025

Shares 20,000 Value ($000) $900 Avg Close $46.86 Range $43.03 - $49.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	83,966	$4,039	$45.87	$42.41 - $50.41
Q3 2025	20,000	$900	$46.86	$43.03 - $49.73