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buyModerate cluster of 3

Kent Carstater bought $79k of JMSB

CHIEF FINANCIAL OFFICER at John Marshall Bancorp, Inc.. 5,000 shares at an average of $15.77, traded Apr 25, 2025, filed Apr 28, 2025.

Conviction score
57
Value
$79k
5,000 shares
Holdings after
48,131
+12% from before
From 52-week low
+10%
low $13.78, close $15.20
From 52-week high
-40%
high $25.24, as of Apr 25, 2025

Score components

  • Role
    CFO
    +22
  • Trade size
    $79k at market
    +9
  • Relative to holdings
    Holdings up 12%
    +3
  • Price context
    40% below the 52-week high
    +8
  • Cluster
    3 insiders buying within 14 days
    +15
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

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 +7.1%, 3m +21.4%, 6m +23.1%.

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.

JMSBOct 12, 2026 · close 22.93
Since filing Apr 28, 2025: +46.1%SPY +43.6% · excess +2.5%

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 0001415889-25-011403, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 25, 2025POpen-market purchase
Common Stock
+1,000$15.73$16k44,131Apr 28, 2025
Apr 25, 2025POpen-market purchase
Common Stock
+100$15.62$1,56244,231Apr 28, 2025
Apr 25, 2025POpen-market purchase
Common Stock
+100$15.64$1,56444,331Apr 28, 2025
Apr 25, 2025POpen-market purchase
Common Stock
+100$15.73$1,57344,431Apr 28, 2025
Apr 25, 2025POpen-market purchase
Common Stock
+2,900$15.83$46k47,331Apr 28, 2025
Apr 25, 2025POpen-market purchase
Common Stock
+310$15.66$4,85547,641Apr 28, 2025
Apr 25, 2025POpen-market purchase
Common Stock
+490$15.66$7,67348,131Apr 28, 2025

Related signals

Other insiders at John Marshall Bancorp, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
18Weak
JMSBbuy 2
John Marshall Bancorp, Inc.
Philip Chase
director
$3,054
133 shares
+0%
35Weak
JMSBbuy 2
John Marshall Bancorp, Inc.
Jonathan Craig Kinney
director
$54k
2,357 shares
+1%
30Weak
JMSBbuy 2
John Marshall Bancorp, Inc.
Jonathan Craig Kinney
director
$48k
2,300 shares
+1%
18Weak
JMSBbuy 2
John Marshall Bancorp, Inc.
Oscar Leland Mahan
director
$3,764
179 shares
+0%
15Weak
JMSBbuy
John Marshall Bancorp, Inc.
Jonathan Craig Kinney
director
$9,815
500 shares
+0%
20Weak
JMSBbuy
John Marshall Bancorp, Inc.
Jonathan Craig Kinney
director
$26k
1,345 shares
+0%
19Weak
JMSBbuy
John Marshall Bancorp, Inc.
Jonathan Craig Kinney
director
$9,450
500 shares
+0%
19Weak
JMSBbuy
John Marshall Bancorp, Inc.
Jonathan Craig Kinney
director
$23k
1,200 shares
+0%
14Weak
JMSBbuy
John Marshall Bancorp, Inc.
Jonathan Craig Kinney
director
$9,425
500 shares
+0%
46Moderate
JMSBbuy 2
John Marshall Bancorp, Inc.
Kent Carstater
CHIEF FINANCIAL OFFICER
$92k
5,000 shares
+10%

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.

Kent Carstater bought $79k of JMSB | InsiderTell