BAKER KEVIN L

PrivateCIK: 1712496

Location

SPRINGFIELD, MO

BAKER KEVIN L

Filed: 11/20/2025ACC: 0001214659-25-017007

InsiderBAKER KEVIN LCIK 1712496

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IssuerGREAT SOUTHERN BANCORP, INC.CIK 854560

Other

Since Nov 2018

+4.80K

Net shares

Net buyer

$0.00

Total acquired

0

Open market trades

0B · 0S

4

Total transactions

4.80K acquired

Non-Derivative Transactions0

No non-derivative transactions reported

Derivative Transactions4

Option to purchase

Direct

A · Award

Converts to

Common stock

1.20K shares

Shares

+1.20K

Strike price

57.29

Held after

1.20K

Exercisable

—

11/19/2025

Option to purchase

Direct

A · Award

Converts to

Common stock

1.20K shares

Shares

+1.20K

Strike price

57.29

Held after

2.40K

Exercisable

—

11/19/2025

Option to purchase

Direct

A · Award

Converts to

Common stock

1.20K shares

Shares

+1.20K

Strike price

57.29

Held after

3.60K

Exercisable

—

11/19/2025

Option to purchase

Direct

A · Award

Converts to

Common stock

1.20K shares

Shares

+1.20K

Strike price

57.29

Held after

4.80K

Exercisable

—

11/19/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Option to purchase Direct	Common stock1.20K shares	11/19/2025	A · Award	+1.20K	57.29	—	1.20K
Option to purchase Direct	Common stock1.20K shares	11/19/2025	A · Award	+1.20K	57.29	—	2.40K
Option to purchase Direct	Common stock1.20K shares	11/19/2025	A · Award	+1.20K	57.29	—	3.60K
Option to purchase Direct	Common stock1.20K shares	11/19/2025	A · Award	+1.20K	57.29	—	4.80K

Non-Derivative Holdings (Post-Transaction)2

Common Stock

Direct

Shares owned14.00

Common Stock

Indirect

Shares owned9.56K

Total

14.00 direct·9.56K indirect9.57K

Security Title	Shares Owned	Ownership Type
Common Stock	14.00	Direct
Common Stock	9.56K	Indirect
Total	9.57K	14.00 direct·9.56K indirect

Derivative Holdings (Post-Transaction)8

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

3.80K

Shares owned

14.90K

Exercise price

60.15

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

2.80K

Shares owned

7.60K

Exercise price

52.2

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

4.80K

Shares owned

28.95K

Exercise price

61.55

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common Stock

Underlying shares

3.50K

Shares owned

11.10K

Exercise price

55

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

4.80K

Shares owned

38.55K

Exercise price

61.79

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

4.50K

Shares owned

19.40K

Exercise price

41.74

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

4.75K

Shares owned

24.15K

Exercise price

57.98

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

4.80K

Shares owned

33.75K

Exercise price

53.22

Expiration

—

Exercise window

—

Total

Underlying

33.75K

Owned

178.40K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Option to purchase Direct	Common stock	60.15	—	—	3.80K	14.90K
Option to purchase Direct	Common stock	52.2	—	—	2.80K	7.60K
Option to purchase Direct	Common stock	61.55	—	—	4.80K	28.95K
Option to purchase Direct	Common Stock	55	—	—	3.50K	11.10K
Option to purchase Direct	Common stock	61.79	—	—	4.80K	38.55K
Option to purchase Direct	Common stock	41.74	—	—	4.50K	19.40K
Option to purchase Direct	Common stock	57.98	—	—	4.75K	24.15K
Option to purchase Direct	Common stock	53.22	—	—	4.80K	33.75K
Total					33.75K	178.40K

BAKER KEVIN L — Insider Transaction (Form 4) Filed Nov 20, 2025 | Finecho