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buyWeak

Stephen R. Stone bought $4,830 of COSO

PRESIDENT AND CEO at CoastalSouth Bancshares, Inc.. 200 shares at an average of $24.15, traded Mar 9, 2026, filed Mar 9, 2026.

Conviction score
20
Value
$4,830
200 shares
Holdings after
120,385
+0% from before
From 52-week low
+24%
low $19.24, close $23.94
From 52-week high
-5%
high $25.30, as of Mar 9, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $5k at market
    0
  • Relative to holdings
    Under 1% of holdings (0.2%)
    -5
  • Price context
    Near the top of the 52-week range
    0
  • Cluster
    No other insider buying within 14 days
    0
  • 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 +6.0%, 3m +8.5%, 6m +16.5%.

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.

COSOOct 12, 2026 · close 26.78
Since filing Mar 9, 2026: +11.9%SPY +15.6% · excess -3.7%

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 0002064783-26-000002, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 9, 2026POpen-market purchase
Common Stock
+200$24.15$4,830120,385Mar 9, 2026

Related signals

Other insiders at CoastalSouth Bancshares, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
10Weak
COSObuy
CoastalSouth Bancshares, Inc.
James S Macleod
director
$9,350
334 shares
+0%
22Weak
COSOsell
CoastalSouth Bancshares, Inc.
Ernst W. Bruderer
director
$55k
2,000 shares
-5%
22Weak
COSOsell
CoastalSouth Bancshares, Inc.
Ernst W. Bruderer
director
$55k
2,000 shares
-4%
20Weak
COSOsell
CoastalSouth Bancshares, Inc.
Ernst W. Bruderer
director
$28k
1,000 shares
-2%
0Weak
COSOsell10b5-1
CoastalSouth Bancshares, Inc.
Ernst W. Bruderer
director
$28k
1,000 shares
-2%
32Weak
COSOsell
CoastalSouth Bancshares, Inc.
Anthony P. Valduga
CFO AND COO
$118k
4,558 shares
-5%
29Weak
COSObuy
CoastalSouth Bancshares, Inc.
Michael B High
director
$38k
1,500 shares
-
46Moderate
COSObuy 12
CoastalSouth Bancshares, Inc.
John G Aldridge Jr
director
$108k
5,000 shares
+38%
40Moderate
COSObuy 12
CoastalSouth Bancshares, Inc.
L. Scott Askins
director
$50k
2,325 shares
+20%
36Weak
COSObuy 12
CoastalSouth Bancshares, Inc.
Ernst W. Bruderer
director
$43k
2,000 shares
+4%

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.

Stephen R. Stone bought $4,830 of COSO | InsiderTell