Great Southern Bancorp, Inc. (GSBC) Insider Trading

Over the last 3 months, GSBC insiders made 0 open-market buys and 8 sales, a net sale of -$1.9M (SEC Form 4). Over the last 6 months, 88 institutions increased and 104 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
8
Net (3m)
-$1.9M
Insider trades by month Buys Sells
Nov
Dec
Jan
Feb
Apr
May
Context3-month price +16.9%Institutions mixed (13F)
DateInsiderTypeSharesPrice
May 26, 2026STEINERT EARL A JRdirectorSell4,500$71.62
May 26, 2026STEINERT EARL A JRdirectorOption2,000$60.15
May 26, 2026STEINERT EARL A JRdirectorOption1,000$61.55
May 26, 2026STEINERT EARL A JRdirectorOption1,500$57.98
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 SubsidiaryOption1,200$61.55
May 4, 2026Maples Mark Aother: Vice President of SubsidiarySell2,387$68.95
May 1, 2026TURNER JOSEPH Wdirector, 10 percent owner, officer: President/CEOOption6,000$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: TreasurerOption1,250$52.20
May 1, 2026COPELAND REX Aofficer, other: TreasurerOption914$52.20
May 1, 2026COPELAND REX Aofficer, other: TreasurerSell914$68.77
May 1, 2026TURNER JOSEPH Wdirector, 10 percent owner, officer: President/CEOSell6,000$68.16
Apr 21, 2026Bugh John Mother: Vice President of SubsidiaryOption2,500$41.30
Apr 21, 2026Bugh John Mother: Vice President of SubsidiarySell2,500$67.59
Feb 24, 2026Ausburn Kevin RdirectorOption2,000$52.20
Feb 24, 2026Ausburn Kevin RdirectorOption5,000$51.40
Feb 6, 2026COPELAND REX Aofficer, other: TreasurerSell1,797$63.67
Feb 6, 2026COPELAND REX Aofficer, other: TreasurerOption1,797$41.30
Feb 4, 2026STEINERT EARL A JRdirectorSell1,500$63.49
Feb 4, 2026STEINERT EARL A JRdirectorOption1,000$41.74
Feb 4, 2026CARLSON THOMAS JdirectorSell680$63.17
Feb 4, 2026STEINERT EARL A JRdirectorOption500$53.22
Jan 29, 2026TURNER WILLIAM VdirectorSell6,000$59.70
Jan 29, 2026TURNER WILLIAM VdirectorOption6,000$41.30

Source: GSBC SEC Form 4 filings, latest May 26, 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
88
New positions
30
Reduced
104
Sold out
28
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Reduced752KFeb 12, 2026
BLACKROCK, INC.Reduced739KMay 13, 2026
DIMENSIONAL FUND ADVISORS LPIncreased690KMay 7, 2026
DIMENSIONAL FUND ADVISORS LPReduced690KFeb 12, 2026
VANGUARD GROUP INCReduced529KJan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position398KMay 15, 2026
STATE STREET CORPIncreased319KMay 15, 2026
AMERICAN CENTURY COMPANIES INCIncreased308KMay 15, 2026
STATE STREET CORPReduced302KFeb 13, 2026
AMERICAN CENTURY COMPANIES INCIncreased287KFeb 13, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased244KMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCReduced206KFeb 9, 2026
RENAISSANCE TECHNOLOGIES LLCReduced197KFeb 12, 2026
RENAISSANCE TECHNOLOGIES LLCReduced190KMay 14, 2026
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLCIncreased154KMay 15, 2026

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