MERCANTILE BANK CORP

Ticker: MBWM CUSIP: 587376104 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025

Shares 28,415 Value ($000) $1,367 Avg Close $45.87 Range $42.41 - $50.41

Q3 2025

Shares 15,182 Value ($000) $683 Avg Close $46.86 Range $43.03 - $49.73

Q2 2025

Shares 5,555 Value ($000) $258 Avg Close $42.36 Range $36.85 - $47.07

Q1 2025

Shares 14,289 Value ($000) $621 Avg Close $45.00 Range $39.27 - $50.23

Q3 2021

Shares 14,765 Value ($000) $473 Avg Close $26.36 Range $24.18 - $28.25

Q3 2018

Shares 7,281 Value ($000) $243 Avg Close $26.41 Range $24.55 - $28.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,415	$1,367	$45.87	$42.41 - $50.41
Q3 2025	15,182	$683	$46.86	$43.03 - $49.73
Q2 2025	5,555	$258	$42.36	$36.85 - $47.07
Q1 2025	14,289	$621	$45.00	$39.27 - $50.23
Q3 2021	14,765	$473	$26.36	$24.18 - $28.25
Q3 2018	7,281	$243	$26.41	$24.55 - $28.44