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Insider · CIK 0001044043

William Turner V

director

Files at GSBC (GREAT SOUTHERN BANCORP, INC.). First filing Nov 15, 2024, latest May 19, 2026.

In brief

William Turner V files SEC Form 4 as director at GSBC (GREAT SOUTHERN BANCORP, INC.). Since Nov 15, 2024, William Turner V has reported 0 open-market buys worth $0 and 3 open-market sells worth $1.1M, the latest filed on May 19, 2026.

A track record needs three past buys with six months of prices behind them; William Turner V has 0, so none is measured yet.

The newest scored trade: sold $410k of GSBC on May 18, 2026, filed May 19, 2026, scored 31 (weak). In the last 12 months: 0 buys worth $0 and 2 sells worth $768k.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 3
$0 bought, $1.1M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

GSBC: GREAT SOUTHERN BANCORP, INC.

GSBCOct 9, 2026 · close 76.75

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
31Weak
GSBCsell 3
GREAT SOUTHERN BANCORP, INC.
$410k
6,000 shares
-3%+28% from low-2% from high
30Weak
GSBCsell 5
GREAT SOUTHERN BANCORP, INC.
$358k
6,000 shares
-3%+20% from low-11% from high
31Weak
GSBCsell 5
GREAT SOUTHERN BANCORP, INC.
$378k
6,000 shares
-3%-

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
May 18, 2026 GSBC
GREAT SOUTHERN BANCORP, INC.
6,000
0.06% of outstanding
$410kMay 18, 2026none
Jan 28, 2026 GSBC
GREAT SOUTHERN BANCORP, INC.
6,000
0.05% of outstanding
$358kJan 28, 2026none
Nov 14, 2024 GSBC
GREAT SOUTHERN BANCORP, INC.
6,000
0.05% of outstanding
$380kNov 14, 2024none

Transactions

Every row this insider has filed, 19 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jul 21, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
GGift
Common stock
-6,400$78.71$504k192,712Jul 27, 2026
May 18, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
MOption exercise
Common stock
+6,000$52.20$313k205,112May 19, 2026
May 18, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
SOpen-market sale
Common stock
-6,000$68.35$410k199,112May 19, 2026
May 18, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
MOption exercise
Option to purchasederivative
-6,000$52.20$313k0May 19, 2026
Jan 28, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
MOption exercise
Common stock
+6,000$41.30$248k205,112Jan 29, 2026
Jan 28, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
SOpen-market sale
Common stock
-6,000$59.70$358k199,112Jan 29, 2026
Jan 28, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
MOption exercise
Option to purchasederivative
-6,000$41.30$248k0Jan 29, 2026
Nov 19, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+1,950$57.29$112k1,950Nov 20, 2025
Nov 19, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+1,950$57.29$112k3,900Nov 20, 2025
Nov 19, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+1,950$57.29$112k5,850Nov 20, 2025
Nov 19, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+1,950$57.29$112k7,800Nov 20, 2025
May 28, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
GGift
Common stock
-11,000$56.33$620k199,112May 29, 2025
Nov 20, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+1,950$61.79$120k1,950Nov 22, 2024
Nov 20, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+1,950$61.79$120k3,900Nov 22, 2024
Nov 20, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+1,950$61.79$120k5,850Nov 22, 2024
Nov 20, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+1,950$61.79$120k7,800Nov 22, 2024
Nov 14, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
MOption exercise
Common stock
+6,000$50.71$304k216,112Nov 15, 2024
Nov 14, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
SOpen-market sale
Common stock
-6,000$63.06$378k210,112Nov 15, 2024
Nov 14, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
MOption exercise
Option to purchasederivative
-6,000$50.71$304k0Nov 15, 2024

Questions about William Turner V

Answered from the filings on this page, as of the latest one.

Is William Turner V buying or selling?

In the last 12 months William Turner V reported 0 open-market buys worth $0 and 2 open-market sells worth $768k on SEC Form 4; the latest was sold $410k of GSBC on May 18, 2026. Grants, option exercises and tax withholding are not counted.

How did William Turner V's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William Turner V has 0.

Where does William Turner V file Form 4?

William Turner V has filed Form 4 at GSBC (GREAT SOUTHERN BANCORP, INC.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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.

William Turner V: insider trades and track record | InsiderTell