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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
MITCHEM STEVEN G
  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) __X__ Other (specify below)
Senior Vice Pres of Subsidiary
(Last)
(First)
(Middle)
3990 E. WILSHIRE DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
10/13/2010
(Street)

SPRINGFIELD, MO 65809
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 10/13/2010   P   401 A $ 22.57 80,739 D  

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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 $ 12.8975               (1) 09/24/2011 Common stock 6,000   6,000 D  
Option to purchase $ 18.1875               (2) 09/18/2012 Common stock 6,000   12,000 D  
Option to purchase $ 20.12               (3) 09/25/2013 Common stock 7,000   19,000 D  
Option to purchase $ 32.07               (4) 09/22/2014 Common stock 5,250   24,250 D  
Option to purchase $ 30.34               (5) 09/20/2015 Common stock 5,250   29,500 D  
Option to purchase $ 30.66               (6) 10/18/2016 Common stock 4,200   33,700 D  
Option to purchase $ 25.48               (7) 10/17/2017 Common stock 4,200   37,900 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MITCHEM STEVEN G
3990 E. WILSHIRE DRIVE
SPRINGFIELD, MO 65809
      Senior Vice Pres of Subsidiary

Signatures

 Matt Snyder, Attorney-in-fact for Steven G. Mitchem   10/15/2010
**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) 1,500 shares vest on 9/24/2003, 9/24/2004, 9/24/2005 and 9/24/2006
(2) 1,500 shares vest on 9/18/2004, 9/18/2005, 9/18/2006 and 9/18/2007
(3) 1,750 shares vest on 9/25/2005, 9/25/2006, 9/25/2007 and 9/25/2008
(4) 1,148 shares vest on 12/31/2005 and 309 shares vest on 9/22/2006, 1,169 shares vest on 9/22/2007 and 1,312 shares vest on 9/22/2008 and 9/22/2009
(5) 1,878 shares vest on 12/31/2005 and 748 shares vest on 9/20/2008 and 1,312 shares vest on 9/20/2009 and 9/20/2010
(6) 1,050 shares vest on 10/18/2008, 10/18/2009, 10/18/2010 and 10/18/2011
(7) 1,050 shares vest on 10/17/2009, 10/17/2010, 10/17/2011 and 10/17/2012

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