Ownership Submission
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

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
Bugh John M
  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
_____ Officer (give title below) _____ Other (specify below)
Vice President of Subsidiary
(Last)
(First)
(Middle)
CARE OF GREAT SOUTHERN BANK, 218 S. GLENSTONE AVE
3. Date of Earliest Transaction (Month/Day/Year)
11/15/2017
(Street)

SPRINGFIELD, MO 65802
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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               1,790 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(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 $ 52.2 11/15/2017   A   700   11/15/2019 11/15/2027 Common stock 700 $ 52.2 700 D  
Option to purchase $ 52.2 11/15/2017   A   700   11/15/2020 11/15/2027 Common stock 700 $ 52.2 1,400 D  
Option to purchase $ 52.2 11/15/2017   A   700   11/15/2021 11/15/2027 Common stock 700 $ 52.2 2,100 D  
Option to purchase $ 52.2 11/15/2017   A   700   11/15/2022 11/15/2027 Common stock 700 $ 52.2 2,800 D  
Option to purchase $ 16.81               (1) 09/26/2021 Common stock 10,000   12,800 D  
Option to purchase $ 24.82               (2) 11/28/2022 Common stock 1,500   14,300 D  
Option to purchase $ 29.64               (3) 12/18/2023 Common stock 1,500   15,800 D  
Common stock $ 32.59               (4) 10/15/2024 Common stock 1,750   17,550 D  
Common stock $ 50.71               (5) 11/18/2025 Common stock 1,750   19,300 D  
Common stock $ 41.3               (6) 10/24/2026 Common stock 2,500   21,800 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Bugh John M
CARE OF GREAT SOUTHERN BANK
218 S. GLENSTONE AVE
SPRINGFIELD, MO 65802
      Vice President of Subsidiary

Signatures

 Matt Snyder, Attorney-in-fact for John M. Bugh   11/30/2017
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) 2,500 shares vest on 09/26/2013, 09/26/2014, 09/26/2015 and 09/26/2016
(2) 375 shares vest on 11/28/2014, 11/28/2015, 11/28/2016 and 11/28/2017
(3) 375 shares vest on 12/18/2015, 12/18/2016, 12/18/2017 and 12/18/2018
(4) 438 shares vest on 10/15/2016 and 10/15/2017, and 437 shares vest on 10/15/2018 and 10/15/2019
(5) 438 shares vest on 11/18/2017 and 11/18/2018, and 437 shares vest on 11/18/2019 and 11/18/2020
(6) 625 shares vest on 10/24/2018, 10/24/2019, 10/24/2020 and 10/24/2021

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.