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sellWeak10b5-1 plan

Robert B Kaminski sold $11k of MBWM

director at MERCANTILE BANK CORP. 250 shares at an average of $42.85, traded May 2, 2025, filed May 6, 2025.

Warning score
0
Value
$11k
250 shares
Holdings after
77,986
-0% from before
From 52-week low
+13%
low $36.80, close $41.68
From 52-week high
-15%
high $49.07, as of May 2, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $11k at market
    0
  • Share of holdings sold
    Sold 0.3% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +0.7%, 3m +5.4%, 6m +3.9%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MBWMOct 9, 2026 · close 57.78
Since filing May 6, 2025: +40.3%SPY +41.6% · excess -1.3%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001415889-25-012109, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 2, 2025SOpen-market sale
Common Stock10b5-1
-250$42.85$11k77,986May 6, 2025

Related signals

Other insiders at MERCANTILE BANK CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
37Weak
MBWMsell
MERCANTILE BANK CORP
Michael H Price
director
$210k
4,577 shares
-28%
27Weak
MBWMbuy
MERCANTILE BANK CORP
Nelson F Sanchez
director
$44k
1,000 shares
+40%
26Weak
MBWMbuy
MERCANTILE BANK CORP
David B Ramaker
director
$70k
1,500 shares
+11%
15Weak
MBWMbuy
MERCANTILE BANK CORP
Shoran R Williams
director
$9,457
200 shares
+4%
0Weak
MBWMsell10b5-1
MERCANTILE BANK CORP
Robert B Kaminski
director
$11k
250 shares
-0%
0Weak
MBWMsell10b5-1
MERCANTILE BANK CORP
Robert B Kaminski
director
$12k
250 shares
-0%
22Weak
MBWMsell
MERCANTILE BANK CORP
Robert B Kaminski
director
$50k
1,000 shares
-8%
22Weak
MBWMsell
MERCANTILE BANK CORP
Robert B Kaminski
director
$50k
1,000 shares
-7%
0Weak
MBWMsell10b5-1
MERCANTILE BANK CORP
Robert B Kaminski
director
$12k
250 shares
-0%
39Weak
MBWMsell
MERCANTILE BANK CORP
Robert B Kaminski
director
$298k
6,000 shares
-30%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.