FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN 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 * TURNER JOSEPH W 2. Issuer Name and Ticker or Trading Symbol GREAT SOUTHERN BANCORP, INC. [ GSBC ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)__X__ Director                    __X__ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
President/CEO
(Last)         (First)         (Middle)
CARE OF GREAT SOUTHERN BANK, 218 S. GLENSTONE AVE
3. Date of Earliest Transaction (MM/DD/YYYY)
1/12/2021
(Street)
SPRINGFIELD, MO 65802
(City)       (State)       (Zip)
4. 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common stock                 137382  D   
Common stock                 2478  I  Spouse 
Common stock  1/12/2021    J(1)   V 14  A $51.330  10834  I  Children's Trust 
Common stock                 14983 (2) I  401(k) Plan 
Common stock                 369738  I  LTD Family Partnership 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option to purchase  $29.64                   (3) 12/18/2023  Common stock  6000    6000  D   
Option to purchase  $32.59                   (4) 10/15/2024  Common stock  6000    12000  D   
Option to purchase  $50.71                   (5) 11/18/2025  Common Stock  6000    18000  D   
Option to purchase  $41.3                   (6) 10/24/2026  Common Stock  6000    24000  D   
Option to purchase  $52.2                   (7) 11/15/2027  Common Stock  6000    30000  D   
Option to purchase  $55                   (8) 11/28/2028  Common Stock  7000    37000  D   
Option to purchase  $60.15                   (9) 11/20/2029  Common stock  7000    44000  D   
Option to purchase  $41.74                   (10) 10/26/2030  Common stock  7500    51500  D   

Explanation of Responses:
(1)  DRIP acquisition exempt from Section 16 reporting being reported voluntarily.
(2)  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.
(3)  1,500 shares vest on 12/18/2015, 12/18/2016, 12/18/2017 and 12/18/2018
(4)  1,500 shares vest on 10/15/2016, 10/15/2017, 10/15/2018 and 10/15/2019
(5)  1,500 shares vest on 11/18/2017, 11/18/2018, 11/18/2019 and 11/18/2020
(6)  1,500 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021
(7)  1,500 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
(8)  1,750 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
(9)  1,750 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024
(10)  1,875 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
TURNER JOSEPH W
CARE OF GREAT SOUTHERN BANK
218 S. GLENSTONE AVE
SPRINGFIELD, MO 65802
X X President/CEO

Signatures
Matt Snyder, Attorney-in-fact for Joseph W. Turner 2/12/2021
**Signature of Reporting Person Date
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