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Insider · CIK 0001135396

Thomas J Carlson

director

Files at GSBC (GREAT SOUTHERN BANCORP, INC.). First filing Jan 29, 2026, latest Feb 4, 2026.

In brief

Thomas J Carlson files SEC Form 4 as director at GSBC (GREAT SOUTHERN BANCORP, INC.). Since Jan 29, 2026, Thomas J Carlson has reported 0 open-market buys worth $0 and 2 open-market sells worth $163k, the latest filed on Feb 4, 2026.

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

The newest scored trade: sold $43k of GSBC on Feb 3, 2026, filed Feb 4, 2026, scored 36 (weak). In the last 12 months: 0 buys worth $0 and 2 sells worth $163k.

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 / 2
$0 bought, $163k 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
36Weak
GSBCsell 5
GREAT SOUTHERN BANCORP, INC.
$43k
680 shares
-4%+27% from low-6% from high
45Moderate
GSBCsell 5
GREAT SOUTHERN BANCORP, INC.
$120k
2,000 shares
-95%+20% from low-11% from high

Planned sales

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

FiledCompanySharesValueSale datePast 3 months
Feb 3, 2026 GSBC
GREAT SOUTHERN BANCORP, INC.
680
0.01% of outstanding
$43kFeb 3, 2026$120k
Jan 28, 2026 GSBC
GREAT SOUTHERN BANCORP, INC.
2,000
0.02% of outstanding
$120kJan 28, 2026none

Transactions

Every row this insider has filed, 20 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Jul 14, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
JOther
Common stockindirect: Spouse
+96$77.84$7,47317,411Aug 18, 2026
Apr 14, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
JOther
Common stockindirect: Spouse
+109$67.57$7,36617,315May 14, 2026
Feb 3, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
SOpen-market sale
Common stockindirect: Spouse
-680$63.17$43k17,206Feb 4, 2026
Jan 28, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
MOption exercise
Common stock
+2,000$41.30$83k2,100Jan 29, 2026
Jan 28, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
SOpen-market sale
Common stock
-2,000$59.89$120k100Jan 29, 2026
Jan 13, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
JOther
Common stockindirect: Spouse
+122$62.58$7,63517,886Jan 29, 2026
Jan 28, 2026GSBC
GREAT SOUTHERN BANCORP, INC.
MOption exercise
Option to purchasederivative
-2,000$41.30$83k0Jan 29, 2026
Oct 14, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
JOther
Common stockindirect: Spouse
+124$61.07$7,57317,764Nov 20, 2025
Nov 19, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+500$57.29$29k500Nov 20, 2025
Nov 19, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+500$57.29$29k1,000Nov 20, 2025
Nov 19, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+500$57.29$29k1,500Nov 20, 2025
Nov 19, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+500$57.29$29k2,000Nov 20, 2025
Jul 15, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
JOther
Common stockindirect: Spouse
+116$60.82$7,05517,640Aug 13, 2025
Apr 14, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
JOther
Common stockindirect: Spouse
+135$51.24$6,91817,524May 19, 2025
Jan 14, 2025GSBC
GREAT SOUTHERN BANCORP, INC.
JOther
Common stockindirect: Spouse
+118$58.56$6,91017,389Mar 4, 2025
Oct 15, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
JOther
Common stockindirect: Spouse
+119$57.91$6,89117,271Nov 22, 2024
Nov 20, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+500$61.79$31k500Nov 22, 2024
Nov 20, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+500$61.79$31k1,000Nov 22, 2024
Nov 20, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+500$61.79$31k1,500Nov 22, 2024
Nov 20, 2024GSBC
GREAT SOUTHERN BANCORP, INC.
AGrant or award
Option to purchasederivative
+500$61.79$31k2,000Nov 22, 2024

Questions about Thomas J Carlson

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

Is Thomas J Carlson buying or selling?

In the last 12 months Thomas J Carlson reported 0 open-market buys worth $0 and 2 open-market sells worth $163k on SEC Form 4; the latest was sold $43k of GSBC on Feb 3, 2026. Grants, option exercises and tax withholding are not counted.

How did Thomas J Carlson's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Thomas J Carlson has 0.

Where does Thomas J Carlson file Form 4?

Thomas J Carlson 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.

Thomas J Carlson: insider trades and track record | InsiderTell