Statement of Changes in Beneficial Ownership (4)

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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3235-0287

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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 * MARRS DOUGLAS 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) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) Secretary / Vice President of Subsidiary
(Last)          (First)          (Middle) CARE OF GREAT SOUTHERN BANK, 218 S. GLENSTONE AVE	3. Date of Earliest Transaction (MM/DD/YYYY) 11/27/2019
(Street) SPRINGFIELD 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	11/27/2019		M		625	A	$50.71	1625	D
Common stock	11/27/2019		S		625	D	$61.15	1000	D
Common stock								420 (1)	I	401(k) Plan

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	$50.71	11/27/2019		M			625	(2)	11/18/2025	Common Stock	1250	$50.71	625	D
Option to purchase	$41.3							(3)	10/24/2026	Common Stock	1250		1875	D
Option to purchase	$52.2							(4)	11/15/2027	Common Stock	2100		3975	D
Option to purchase	$55							(5)	11/28/2028	Common Stock	3500		7475	D
Option to purchase	$60.15							(6)	11/20/2029	Common stock	3800		11275	D

Explanation of Responses:
(1)	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.
(2)	625 shares vest on 11/18/2019 and 11/18/2020
(3)	625 shares vest on 10/24/2020 and 10/24/2021
(4)	700 shares vest on 11/15/2019, 11/15/2020, 11/15/2021 and 11/15/2022
(5)	875 shares vest on 11/28/2020, 11/28/2021, 11/28/2022 and 11/28/2023
(6)	950 shares vest on 11/20/2021, 11/20/2022, 11/20/2023 and 11/20/2024

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MARRS DOUGLAS W CARE OF GREAT SOUTHERN BANK 218 S. GLENSTONE AVE SPRINGFIELD 65802			Secretary	Vice President of Subsidiary

Signatures
Matt Snyder, Attorney-in-fact for Douglas W. Marrs		11/30/2019
**Signature of Reporting Person		Date