TURNER JOSEPH W

PrivateCIK: 1044047

Location

SPRINGFIELD, MO

TURNER JOSEPH W (President/CEO) reported 1 transaction at GREAT SOUTHERN BANCORP, INC.

Review the transaction codes below to understand the nature of each event.

TURNER JOSEPH W

Filed: 2/24/2026ACC: 0001214659-26-002409

InsiderTURNER JOSEPH WCIK 1044047

→

IssuerGREAT SOUTHERN BANCORP, INC.CIK 854560

DirectorOfficer10% Owner· President/CEO

Since Aug 2018

-1.20K

Net shares

Net seller

$74.2K

Total sold

0

Open market trades

0B · 0S

1

Total transactions

1.20K disposed

Non-Derivative Transactions1

Common stock

Direct

G · Gift

Shares

−1.20K

Price / share

$61.82

Trade value

$74.18K

% of position

0.9%

2/23/2026

137.38K→136.18K

Total

Net shares

−1.20K

Net value

-$74.18K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common stock Direct	2/23/2026	G · Gift	−1.20K	$61.82	$74.18K	0.9%	137.38K	136.18K
Total			−1.20K		-$74.18K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)4

Common stock

Indirect

Shares owned369.74K

Common stock

Indirect

Shares owned11.38K

Common stock

Indirect

Shares owned18.34K

Common stock

Indirect

Shares owned2.48K

Total

401.93K indirect401.93K

Security Title	Shares Owned	Ownership Type
Common stock	369.74K	Indirect
Common stock	11.38K	Indirect
Common stock	18.34K	Indirect
Common stock	2.48K	Indirect
Total	401.93K	401.93K indirect

Derivative Holdings (Post-Transaction)9

Option to purchase

Direct

Underlying security

Common Stock

Underlying shares

7.80K

Shares owned

50.85K

Exercise price

53.22

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common Stock

Underlying shares

7K

Shares owned

13K

Exercise price

55

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common Stock

Underlying shares

6K

Shares owned

6K

Exercise price

52.2

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

7.80K

Shares owned

58.65K

Exercise price

61.79

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

7.80K

Shares owned

66.45K

Exercise price

57.29

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

7.80K

Shares owned

43.05K

Exercise price

61.55

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

7.75K

Shares owned

35.25K

Exercise price

57.98

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

7K

Shares owned

20K

Exercise price

60.15

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

7.50K

Shares owned

27.50K

Exercise price

41.74

Expiration

—

Exercise window

—

Total

Underlying

66.45K

Owned

320.75K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Option to purchase Direct	Common Stock	53.22	—	—	7.80K	50.85K
Option to purchase Direct	Common Stock	55	—	—	7K	13K
Option to purchase Direct	Common Stock	52.2	—	—	6K	6K
Option to purchase Direct	Common stock	61.79	—	—	7.80K	58.65K
Option to purchase Direct	Common stock	57.29	—	—	7.80K	66.45K
Option to purchase Direct	Common stock	61.55	—	—	7.80K	43.05K
Option to purchase Direct	Common stock	57.98	—	—	7.75K	35.25K
Option to purchase Direct	Common stock	60.15	—	—	7K	20K
Option to purchase Direct	Common stock	41.74	—	—	7.50K	27.50K
Total					66.45K	320.75K