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The company

Mercantile Bank Corporation

MBWM · Nasdaq

FinancialsRegional banksIn trend

MBWM stood above a rising 150-day average in 48 of the last 52 weekly readings, including each of the last 48 weeks. It is 4.8% above that average now. Banks — Regional & Community: 62% of its 293 stocks in an uptrend (−18 points in four weeks); Financials: 46% (−11 points in four weeks).

SEC filings

Statistics

Rotation: In trend
Weeks in an uptrend: 48 in a row
Industry in uptrend: 62% -18 in 4 wk
Insider buys, 12 months: $44K
Insider sales, 12 months: $210K
Officials’ trades on record: 0
Institutions holding: 192 (+7)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 48 of 52 weeks.

17 Apr – 16 Oct

Regional banks: Most of its stocks are in an uptrend and the share has fallen sharply over four weeks. Financials: About half its stocks are in an uptrend and the share has fallen sharply over four weeks.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

No member of Congress or official has disclosed a trade in it.

Insiders

Buy orders, 12 months1

Sale orders, 12 months1

Buyers · sellers1 · 1

No open-market buy or sale by its insiders on record.

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders192+7 on the quarter

New · exited35 · 27

Reported value$674.5M

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
BlackRock, Inc.added · filed 7 Aug 2026	1,534,392$88.1M	+145,678+10.5%
WELLINGTON MANAGEMENT GROUP LLPreduced · filed 14 Aug 2026	1,087,998$62.5M	-101,033−8.5%
DIMENSIONAL FUND ADVISORS LPadded · filed 11 Aug 2026	1,046,841$60.1M	+13,953+1.4%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	735,613$42.2M	+31,289+4.4%
AMERICAN CENTURY COMPANIES INCadded · filed 12 Aug 2026	625,015$35.9M	+63,548+11.3%
STATE STREET CORPadded · filed 7 Aug 2026	598,641$34.4M	+96,173+19.1%
GEODE CAPITAL MANAGEMENT, LLCadded · filed 12 Aug 2026	466,410$26.8M	+31,398+7.2%
RENAISSANCE TECHNOLOGIES LLCreduced · filed 13 Aug 2026	446,613$25.6M	-25,600−5.4%
NORTH STAR ASSET MANAGEMENT INCreduced · filed 18 Aug 2026	377,427$21.7M	-5,753−1.5%
VANGUARD PORTFOLIO MANAGEMENT LLCadded · filed 13 Aug 2026	290,093$16.7M	+14,772+5.4%