SEC Form 4 · Updated Daily

GSBC

— GREAT SOUTHERN BANCORP, INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

Financials Ownership

Current Reporting Owners

Owner	Role	Shares Owned	As Of	Last Activity
STEINERT EARL A JR	Director	939,596	2026-05-26	S
TURNER WILLIAM V	Director	192,712	2026-07-21	G
COPELAND REX A	Officer	25,921	2026-05-01	S
CARLSON THOMAS J	Director	17,411	2026-07-14	J
Pitt Douglas M	Director	11,639	2026-07-14	J
TURNER JOSEPH W	10%+ Owner · Director · Officer	11,410	2026-07-14	J
Ausburn Kevin R	Director	8,300	2026-02-23	M
BROWN JULIE A	Director	7,052	2026-08-17	S
Edwards Steven D	Director	4,131	2026-07-14	J
Hart Debra Mallonee	Director	2,024	2026-07-14	J
Bugh John M	Reporting Owner	1,790	2026-04-20	S
Baker Kevin L	Reporting Owner	14	2026-05-06	S
Maples Mark A	Reporting Owner	0	2026-05-01	S

Recent Filings

Date	Owner	Activity	Shares	Price	Owned After
2026-08-17	BROWN JULIE A	Open-market sale	851	$81.00	7,052
2026-07-21	TURNER WILLIAM V	Gift	6,400	$78.71	192,712
2026-07-14	TURNER JOSEPH W	J	15	$77.71	11,410
2026-07-14	BROWN JULIE A	J	43	$77.55	7,903
2026-07-14	Edwards Steven D	J	23	$77.71	4,131
2026-07-14	Hart Debra Mallonee	J	11	$78.01	2,024
2026-07-14	CARLSON THOMAS J	J	96	$77.84	17,411
2026-07-14	Pitt Douglas M	J	46	$78.01	11,639
2026-05-26	STEINERT EARL A JR	Option exercise (derivative)	1,000	$61.55	1,500
2026-05-26	STEINERT EARL A JR	Option exercise (derivative)	1,500	$57.98	500
2026-05-26	STEINERT EARL A JR	Option exercise (derivative)	2,000	$60.15	0
2026-05-26	STEINERT EARL A JR	Open-market sale	4,500	$71.62	939,596
2026-05-26	STEINERT EARL A JR	Option exercise	1,000	$61.55	944,096
2026-05-26	STEINERT EARL A JR	Option exercise	1,500	$57.98	943,096
2026-05-26	STEINERT EARL A JR	Option exercise	2,000	$60.15	941,596
2026-05-18	TURNER WILLIAM V	Option exercise (derivative)	6,000	$52.20	0
2026-05-18	TURNER WILLIAM V	Open-market sale	6,000	$68.35	199,112
2026-05-18	TURNER WILLIAM V	Option exercise	6,000	$52.20	205,112
2026-05-06	Baker Kevin L	Option exercise (derivative)	2,800	$52.20	0
2026-05-06	Baker Kevin L	Open-market sale	2,800	$69.96	14
2026-05-06	Baker Kevin L	Option exercise	2,800	$52.20	2,814
2026-05-01	COPELAND REX A	Option exercise (derivative)	914	$52.20	0
2026-05-01	COPELAND REX A	Option exercise (derivative)	1,250	$52.20	914
2026-05-01	COPELAND REX A	Open-market sale	914	$68.77	25,921
2026-05-01	COPELAND REX A	Option exercise	914	$52.20	26,835
2026-05-01	COPELAND REX A	Option exercise	1,250	$52.20	25,921
2026-05-01	Maples Mark A	Option exercise (derivative)	1,200	$61.55	3,587
2026-05-01	Maples Mark A	Option exercise (derivative)	1,187	$57.98	1,187
2026-05-01	Maples Mark A	Open-market sale	2,387	$68.95	0
2026-05-01	Maples Mark A	Option exercise	1,200	$61.55	2,387
2026-05-01	Maples Mark A	Option exercise	1,187	$57.98	1,187
2026-04-30	TURNER JOSEPH W	Option exercise (derivative)	6,000	$52.20	0
2026-04-30	TURNER JOSEPH W	Open-market sale	6,000	$68.16	136,182
2026-04-30	TURNER JOSEPH W	Option exercise	6,000	$52.20	142,182
2026-04-30	COPELAND REX A	Option exercise (derivative)	2,036	$52.20	2,164
2026-04-30	COPELAND REX A	Open-market sale	2,036	$68.25	24,671
2026-04-30	COPELAND REX A	Option exercise	2,036	$52.20	26,707
2026-04-20	Bugh John M	Option exercise (derivative)	2,500	$41.30	0
2026-04-20	Bugh John M	Open-market sale	2,500	$67.59	1,790
2026-04-20	Bugh John M	Option exercise	2,500	$41.30	4,290

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.