AUSBURN KEVIN R

PrivateCIK: 1700535

Location

SPRINGFIELD, MO

AUSBURN KEVIN R

Filed: 11/20/2025ACC: 0001214659-25-016995

InsiderAUSBURN KEVIN RCIK 1700535

→

IssuerGREAT SOUTHERN BANCORP, INC.CIK 854560

Director

Since Nov 2018

+2K

Net shares

Net buyer

$0.00

Total acquired

0

Open market trades

0B · 0S

4

Total transactions

2K acquired

Non-Derivative Transactions0

No non-derivative transactions reported

Derivative Transactions4

Option to purchase

Direct

A · Award

Converts to

Common stock

500.00 shares

Shares

+500.00

Strike price

57.29

Held after

500.00

Exercisable

—

11/19/2025

Option to purchase

Direct

A · Award

Converts to

Common stock

500.00 shares

Shares

+500.00

Strike price

57.29

Held after

1K

Exercisable

—

11/19/2025

Option to purchase

Direct

A · Award

Converts to

Common stock

500.00 shares

Shares

+500.00

Strike price

57.29

Held after

1.50K

Exercisable

—

11/19/2025

Option to purchase

Direct

A · Award

Converts to

Common stock

500.00 shares

Shares

+500.00

Strike price

57.29

Held after

2K

Exercisable

—

11/19/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Option to purchase Direct	Common stock500.00 shares	11/19/2025	A · Award	+500.00	57.29	—	500.00
Option to purchase Direct	Common stock500.00 shares	11/19/2025	A · Award	+500.00	57.29	—	1K
Option to purchase Direct	Common stock500.00 shares	11/19/2025	A · Award	+500.00	57.29	—	1.50K
Option to purchase Direct	Common stock500.00 shares	11/19/2025	A · Award	+500.00	57.29	—	2K

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Direct

Shares owned1.30K

Total

1.30K direct1.30K

Security Title	Shares Owned	Ownership Type
Common Stock	1.30K	Direct
Total	1.30K	1.30K direct

Derivative Holdings (Post-Transaction)9

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

2K

Shares owned

17K

Exercise price

57.98

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

2K

Shares owned

23K

Exercise price

61.79

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

2K

Shares owned

15K

Exercise price

41.74

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

2K

Shares owned

13K

Exercise price

60.15

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common Stock

Underlying shares

5K

Shares owned

7K

Exercise price

51.4

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

2K

Shares owned

11K

Exercise price

55

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common Stock

Underlying shares

2K

Shares owned

9K

Exercise price

52.2

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

2K

Shares owned

19K

Exercise price

61.55

Expiration

—

Exercise window

—

Option to purchase

Direct

Underlying security

Common stock

Underlying shares

2K

Shares owned

21K

Exercise price

53.22

Expiration

—

Exercise window

—

Total

Underlying

21K

Owned

135K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Option to purchase Direct	Common stock	57.98	—	—	2K	17K
Option to purchase Direct	Common stock	61.79	—	—	2K	23K
Option to purchase Direct	Common stock	41.74	—	—	2K	15K
Option to purchase Direct	Common stock	60.15	—	—	2K	13K
Option to purchase Direct	Common Stock	51.4	—	—	5K	7K
Option to purchase Direct	Common stock	55	—	—	2K	11K
Option to purchase Direct	Common Stock	52.2	—	—	2K	9K
Option to purchase Direct	Common stock	61.55	—	—	2K	19K
Option to purchase Direct	Common stock	53.22	—	—	2K	21K
Total					21K	135K