X0306
4
2018-11-28
0000854560
GREAT SOUTHERN BANCORP, INC.
GSBC
0001108324
MARRS DOUGLAS W
CARE OF GREAT SOUTHERN BANK
218 S. GLENSTONE AVE
SPRINGFIELD
65802
false
true
false
true
Secretary
Vice President of Subsidiary
Common stock
1000
D
Common stock
213
I
401(k) Plan
Option to purchase
55.00
2018-11-28
4
A
false
875
55.00
A
2020-11-28
2028-11-28
Common Stock
875
875
D
Option to purchase
55.00
2018-11-28
4
A
false
875
55.00
A
2021-11-28
2028-11-28
Common Stock
875
1750
D
Option to purchase
55.00
2018-11-28
4
A
false
875
55.00
A
2022-11-28
2028-11-28
Common Stock
875
2625
D
Option to purchase
55.00
2018-11-28
4
A
false
875
55.00
A
2023-11-28
2028-11-28
Common Stock
875
3500
D
Option to purchase
29.64
2023-12-18
Common stock
625
4125
D
Option to purchase
32.59
2024-10-15
Common Stock
625
4750
D
Option to purchase
50.71
2025-11-18
Common Stock
1250
6000
D
Option to purchase
41.3
2026-10-24
Common Stock
1875
7875
D
Option to purchase
52.2
2027-11-15
Common Stock
2800
10675
D
Reflects reporting person's holdings of units in Issuer's common stock fund under Issuer's 401(k) plan. Number of shares shown as beneficially owned under the plan represents the approximate equivalent number of shares of Issuer's common stock
625 shares vest on 12/18/2018
625 Shares vest on 10/15/2019
625 shares vest on 11/18/2019 and 11/18/2020
625 shares vest on 10/24/2019, 10/24/2020 and 10/24/2021
700 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
Matt Snyder, Attorney-in-fact for Douglas W. Marrs
2018-11-28