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sellWeak cluster of 5

Mark A Maples sold $165k of GSBC

other at GREAT SOUTHERN BANCORP, INC.. 2,387 shares at an average of $68.96, traded May 1, 2026, filed May 4, 2026.

Warning score
39
Value
$165k
2,387 shares
Holdings after
0
-100% from before
From 52-week low
+28%
low $53.43, close $68.12
From 52-week high
0%
high $68.12, as of May 1, 2026

Score components

  • Role
    Other
    +8
  • Trade size
    $165k at market
    +11
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    5 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

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 +3.4%, 3m +19.1%, 6m -.

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.

GSBCOct 9, 2026 · close 76.75
Since filing May 4, 2026: +12.9%SPY +9.0% · excess +4.0%

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 0001214659-26-005504, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 1, 2026MOption exercise
Common Stock
+1,187$57.98$69k1,187May 4, 2026
May 1, 2026MOption exercise
Common Stock
+1,200$61.55$74k2,387May 4, 2026
May 1, 2026SOpen-market sale
Common Stock
-2,387$68.96$165k0May 4, 2026
May 1, 2026MOption exercise
Option to purchasederivative
-1,187$57.98$69k1,187May 4, 2026
May 1, 2026MOption exercise
Option to purchasederivative
-1,200$61.55$74k3,587May 4, 2026

Related signals

Other insiders at GREAT SOUTHERN BANCORP, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
28Weak
GSBCsell
GREAT SOUTHERN BANCORP, INC.
Julie A Brown
director
$69k
851 shares
-11%
22Weak
GSBCsell 2
GREAT SOUTHERN BANCORP, INC.
Earl A Steinert Jr
director
$322k
4,500 shares
-0%
31Weak
GSBCsell 3
GREAT SOUTHERN BANCORP, INC.
William Turner V
director
$410k
6,000 shares
-3%
40Moderate
GSBCsell 5
GREAT SOUTHERN BANCORP, INC.
Kevin L Baker
other
$196k
2,800 shares
-100%
39Weak
GSBCsell 5
GREAT SOUTHERN BANCORP, INC.
Rex A Copeland
Treasurer
$202k
2,950 shares
-11%
41Moderate
GSBCsell 5
GREAT SOUTHERN BANCORP, INC.
Joseph W Turner
President/CEO
$409k
6,000 shares
-4%
39Weak
GSBCsell 4
GREAT SOUTHERN BANCORP, INC.
John M Bugh
other
$169k
2,500 shares
-58%
32Weak
GSBCsell 5
GREAT SOUTHERN BANCORP, INC.
Rex A Copeland
Treasurer
$114k
1,797 shares
-7%
36Weak
GSBCsell 5
GREAT SOUTHERN BANCORP, INC.
Thomas J Carlson
director
$43k
680 shares
-4%
25Weak
GSBCsell 5
GREAT SOUTHERN BANCORP, INC.
Earl A Steinert Jr
director
$95k
1,500 shares
-0%

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.

Mark A Maples sold $165k of GSBC | InsiderTell