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sellWeak10b5-1 plan

Ernst W. Bruderer sold $28k of COSO

director at CoastalSouth Bancshares, Inc.. 1,000 shares at an average of $27.56, traded Aug 12, 2026, filed Aug 13, 2026.

Warning score
0
Value
$28k
1,000 shares
Holdings after
46,131
-2% from before
From 52-week low
+39%
low $19.92, close $27.70
From 52-week high
-1%
high $27.99, as of Aug 12, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $28k at market
    +5
  • Share of holdings sold
    Sold 2.1% 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.

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 Aug 13, 2026: -4.4%SPY +0.3% · excess -4.7%

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 0001193125-26-349552, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 12, 2026SOpen-market sale
Common Stock10b5-1
-1,000$27.56$28k46,131Aug 13, 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%
32Weak
COSOsell
CoastalSouth Bancshares, Inc.
Anthony P. Valduga
CFO AND COO
$118k
4,558 shares
-5%
20Weak
COSObuy
CoastalSouth Bancshares, Inc.
Stephen R. Stone
PRESIDENT AND CEO
$4,830
200 shares
+0%
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.

Ernst W. Bruderer sold $28k of COSO | InsiderTell