Ausburn Kevin R 4

4 · GREAT SOUTHERN BANCORP, INC. · Filed Feb 24, 2026

Form 4

Period: 2026-02-23

Director

Transactions

Exercise/Conversion
Common Stock
2026-02-23$51.40/sh+5,000$257,000→ 6,300 total
Exercise/Conversion
Common Stock
2026-02-23$52.20/sh+2,000$104,400→ 8,300 total
Exercise/Conversion
Option to purchase
[F1]
2026-02-23$51.40/sh−5,000$257,000→ 0 total
Exercise: $51.40Exp: 2027-03-15→ Common Stock (5,000 underlying)
Exercise/Conversion
Option to purchase
[F2]
2026-02-23$52.20/sh−2,000$104,400→ 0 total
Exercise: $52.20Exp: 2027-11-15→ Common Stock (2,000 underlying)

Holdings

Option to purchase
[F3]
Exercise: $55.00Exp: 2028-11-28→ Common stock (2,000 underlying)
2,000
Option to purchase
[F4]
Exercise: $60.15Exp: 2029-11-20→ Common stock (2,000 underlying)
4,000
Option to purchase
[F5]
Exercise: $41.74Exp: 2030-10-26→ Common stock (2,000 underlying)
6,000
Option to purchase
[F6]
Exercise: $57.98Exp: 2031-11-17→ Common stock (2,000 underlying)
8,000
Option to purchase
[F7]
Exercise: $61.55Exp: 2032-11-16→ Common stock (2,000 underlying)
10,000
Option to purchase
[F8]
Exercise: $53.22Exp: 2033-11-15→ Common stock (2,000 underlying)
12,000
Option to purchase
[F9]
Exercise: $61.79Exp: 2034-11-20→ Common stock (2,000 underlying)
14,000
Option to purchase
[F10]
Exercise: $57.29Exp: 2035-11-19→ Common stock (2,000 underlying)
16,000

Footnotes (10)

Signature

Matt Snyder, by Power of Attorney from Kevin R. Ausburn|2026-02-24

Documents

1 file