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Great Southern Bancorp, Inc. planned insider sales

In the last twelve months insiders at Great Southern Bancorp, Inc. filed 17 Form 144 notices of planned sales, 49,165 shares worth $3.2 million at the time of filing, from 10 sellers. The latest, filed 4 September 2026: Julie Brown (director), 851 shares worth $68,666, planned for around 17 August 2026 through Michael I Pinkston, Merrill Lynch.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
4 September 2026Julie BrownDirector851$68,66617 August 2026None on Form 4 yetMichael I Pinkston, Merrill Lynchdividend reinvestmentForm 144
26 May 2026Earl SteinertDirector4,500$322,27126 May 20264,500 shares from 26 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
18 May 2026William TurnerDirector6,000$410,10418 May 20266,000 shares from 18 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
6 May 2026Kevin L BakerVice President of Subsidiary2,800$195,8886 May 20262,800 shares from 6 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
1 May 2026Rex CopelandOfficer, Senior Vice Pres. of Subsidiary914$62,8561 May 20262,950 shares from 30 April 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
1 May 2026Mark MaplesVice President of Subsidiary2,387$164,5961 May 20262,387 shares from 1 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
30 April 2026Rex CopelandOfficer, Senior Vice Pres. of Subsidiary2,036$138,95730 April 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
30 April 2026Joseph TurnerOfficer, Director, 10% Stockholder6,000$408,96230 April 20266,000 shares from 30 April 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
20 April 2026John BughVice President of Subsidiary2,500$168,97520 April 20262,500 shares from 20 April 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
6 February 2026Rex CopelandOfficer, Senior Vice Pres. of Subsidiary1,797$114,4186 February 20261,797 shares from 6 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
4 February 2026Earl SteinertDirector1,500$95,2404 February 20261,500 shares from 4 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
3 February 2026Carlson Thomas JDirector680$43,2783 February 2026680 shares from 3 February 2026Charles Schwab & CoDRIP ReinvestmentForm 144
28 January 2026Thomas J CarlsonDirector2,000$119,78028 January 20262,000 shares from 28 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
28 January 2026William TurnerDirector6,000$358,18728 January 20266,000 shares from 28 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
26 January 2026Joseph TurnerOfficer, Director, 10% Stockholder6,000$364,42726 January 20266,000 shares from 26 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
25 November 2025Mark MaplesVice President of Subsidiary1,450$86,89925 November 20251,450 shares from 25 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
10 November 2025John BughVice President of Subsidiary1,750$101,00910 November 20251,750 shares from 10 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?