FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Maples Mark A 2. Date of Event Requiring Statement (MM/DD/YYYY)
7/7/2021 

3. Issuer Name and Ticker or Trading Symbol GREAT SOUTHERN BANCORP, INC. [GSBC]
(Last)       (First)       (Middle)
CARE OF GREAT SOUTHERN BANK, 218 S. GLENSTONE AVE
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                          _____ 10% Owner
_____ Officer (give title below)        ___X___ Other (specify below)
/ Vice President of Subsidiary
(Street)
SPRINGFIELD, MO 65802      
(City)             (State)             (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

6. Individual or Joint/Group Filing(Check Applicable Line)_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock  0  D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Option to purchase   (1) 10/24/2026  Common stock  187  $41.30  D   
Option to purchase   (2) 11/15/2027  Common stock  374  $52.20  D   
Option to purchase   (3) 11/28/2028  Common stock  637  $55  D   
Option to purchase   (4) 11/20/2029  Common stock  850  $60.15  D   
Option to purchase   (5) 10/26/2030  Common stock  1000  $41.74  D   

Explanation of Responses:
(1)  187 shares vest on 10/24/2021
(2)  187 shares vest on 11/15/2021 and 11/15/2022
(3)  213 shares vest on 11/28/2021 and 212 shares vest on 11/28/2022 and 11/28/2023
(4)  213 shares vest on 11/20/2021 and 11/20/2022 and 212 shares vest on 11/20/2023 and 11/20/2024
(5)  250 shares vest on 10/26/2022, 10/26/2023, 10/26/2024 and 10/26/2025

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Maples Mark A
CARE OF GREAT SOUTHERN BANK
218 S. GLENSTONE AVE
SPRINGFIELD, MO 65802



Vice President of Subsidiary

Signatures
Matt Snyder, Attorney-in-fact for Mark A Maples 7/7/2021
**Signature of Reporting Person Date
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