Great Southern Bancorp, Inc. (GSBC) Insider Trading

Over the last 3 months, GSBC insiders made 0 open-market buys and 1 sale, a net sale of -$69K (SEC Form 4). Over the last 6 months, 105 institutions increased and 83 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
1
Net (3m)
-$68.9K
Insider trades by month Buys Sells
Dec
Jan
Feb
Apr
May
Aug
Context3-month price +10.5%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Aug 20, 2026BROWN JULIE AdirectorSell851$81.00
May 26, 2026STEINERT EARL A JRdirectorOption1,000$61.55
May 26, 2026STEINERT EARL A JRdirectorOption2,000$60.15
May 26, 2026STEINERT EARL A JRdirectorOption1,500$57.98
May 26, 2026STEINERT EARL A JRdirectorSell4,500$71.62
May 19, 2026TURNER WILLIAM VdirectorSell6,000$68.35
May 19, 2026TURNER WILLIAM VdirectorOption6,000$52.20
May 6, 2026Baker Kevin Lother: Vice President of SubsidiaryOption2,800$52.20
May 6, 2026Baker Kevin Lother: Vice President of SubsidiarySell2,800$69.96
May 4, 2026Maples Mark Aother: Vice President of SubsidiaryOption1,187$57.98
May 4, 2026Maples Mark Aother: Vice President of SubsidiarySell2,387$68.95
May 4, 2026Maples Mark Aother: Vice President of SubsidiaryOption1,200$61.55
May 1, 2026TURNER JOSEPH Wdirector, 10 percent owner, officer: President/CEOOption6,000$52.20
May 1, 2026TURNER JOSEPH Wdirector, 10 percent owner, officer: President/CEOSell6,000$68.16
May 1, 2026COPELAND REX Aofficer, other: TreasurerSell914$68.77
May 1, 2026COPELAND REX Aofficer, other: TreasurerOption1,250$52.20
May 1, 2026COPELAND REX Aofficer, other: TreasurerSell2,036$68.25
May 1, 2026COPELAND REX Aofficer, other: TreasurerOption2,036$52.20
May 1, 2026COPELAND REX Aofficer, other: TreasurerOption914$52.20
Apr 21, 2026Bugh John Mother: Vice President of SubsidiarySell2,500$67.59
Apr 21, 2026Bugh John Mother: Vice President of SubsidiaryOption2,500$41.30
Feb 24, 2026Ausburn Kevin RdirectorOption5,000$51.40
Feb 24, 2026Ausburn Kevin RdirectorOption2,000$52.20
Feb 6, 2026COPELAND REX Aofficer, other: TreasurerSell1,797$63.67
Feb 6, 2026COPELAND REX Aofficer, other: TreasurerOption1,797$41.30
Feb 4, 2026CARLSON THOMAS JdirectorSell680$63.17
Feb 4, 2026STEINERT EARL A JRdirectorSell1,500$63.49
Feb 4, 2026STEINERT EARL A JRdirectorOption1,000$41.74
Feb 4, 2026STEINERT EARL A JRdirectorOption500$53.22
Jan 29, 2026TURNER WILLIAM VdirectorSell6,000$59.70

Source: GSBC SEC Form 4 filings, latest Aug 20, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their GSBC positions over the last 6 months (SEC Form 13F).

Increased
105
New positions
47
Reduced
83
Sold out
11
Largest moves
InstitutionActionSharesFiled
BlackRock, Inc.Increased773KAug 7, 2026
BLACKROCK, INC.Reduced739KMay 13, 2026
DIMENSIONAL FUND ADVISORS LPIncreased699KAug 11, 2026
DIMENSIONAL FUND ADVISORS LPIncreased690KMay 7, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position398KMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCReduced381KAug 13, 2026
STATE STREET CORPIncreased367KAug 7, 2026
AMERICAN CENTURY COMPANIES INCIncreased338KAug 12, 2026
STATE STREET CORPIncreased319KMay 15, 2026
AMERICAN CENTURY COMPANIES INCIncreased308KMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased251KAug 12, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased244KMay 15, 2026
RENAISSANCE TECHNOLOGIES LLCReduced190KMay 14, 2026
RENAISSANCE TECHNOLOGIES LLCReduced171KAug 13, 2026
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLCIncreased154KAug 14, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.