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 *
Thomason Linton J
  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)
Vice President of Subsidiary
(Last)
(First)
(Middle)
1412 FOUR WINDS DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
01/27/2012
(Street)

NIXA, MO 65714
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               6,567 D  
Common stock 01/27/2012   M   1,000 A $ 20.4055 1,000 I Spouse
Common stock 01/27/2012   M   400 A $ 8.36 1,400 I Spouse
Common stock 01/27/2012   M   200 A $ 21.44 1,600 I Spouse
Common stock 01/27/2012   S   1,000 D $ 24.587 600 I Spouse
Common stock 01/27/2012   S   600 D $ 24.5871 0 I Spouse
Common stock               1,229 I Spouse's 401(k) Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 $ 18.1875               (1) 09/18/2012 Common stock 2,500   2,500 D  
Option to purchase $ 20.12               (2) 09/25/2013 Common stock 3,000   5,500 D  
Option to purchase $ 32.07               (3) 09/22/2014 Common stock 2,250   7,750 D  
Option to purchase $ 30.34               (4) 09/20/2015 Common stock 2,250   1,000 D  
Option to purchase $ 30.66               (5) 10/18/2016 Common stock 1,800   11,800 D  
Option to purchase $ 25.48               (6) 10/17/2017 Common stock 1,900   13,700 D  
Option to purchase $ 8.36               (7) 11/19/2018 Common stock 1,900   15,600 D  
Option to purchase $ 21.44               (8) 12/09/2019 Common stock 1,900   17,500 D  
Option to purchase $ 22.08               (9) 11/17/2020 Common stock 2,000   19,500 D  
Option to purchase $ 19.53               (10) 11/16/2021 Common stock 2,000   21,500 D  
Option to purchase $ 20.4055 01/27/2012   M     250 10/20/2005 10/20/2013 Common stock 250 $ 20.4055 750 I Spouse
Option to purchase $ 20.4055 01/27/2012   M     250 10/20/2006 10/20/2013 Common stock 250 $ 20.4055 500 I Spouse
Option to purchase $ 20.4055 01/27/2012   M     250 10/20/2007 10/20/2013 Common stock 250 $ 20.4055 250 I Spouse
Option to puchase $ 20.4055 01/27/2012   M     250 10/20/2008 10/20/2013 Common stock 250 $ 20.4055 0 I Spouse
Option to purchase $ 8.36 01/27/2012   M     200 11/19/2010 11/19/2018 Common stock 200 $ 8.36 600 I Spouse
Option to purchase $ 8.36 01/27/2012   M     200 11/19/2011 11/19/2018 Common stock 200 $ 8.36 400 I Spouse
Option to purchase $ 21.44 01/27/2012   M     200 12/09/2011 12/09/2019 Common stock 200 $ 21.44 600 I Spouse
Option to purchase $ 32.07               (11) 09/22/2014 Common stock 600   600 I Spouse
Option to purchase $ 30.34               (12) 09/20/2015 Common stock 1,000   1,600 I Spouse
Option to purchase $ 30.66               (13) 10/18/2016 Common stock 800   2,400 I Spouse
Option to purchase $ 25.48               (14) 10/17/2017 Common stock 800   3,200 I Spouse
Option to purchase $ 8.36               (15) 11/19/2018 Common stock 400   3,600 I Spouse
Option to purchase $ 21.44               (16) 12/09/2019 Common stock 600   4,200 I Spouse
Option to purchase $ 22.08               (17) 11/17/2020 Common stock 500   4,700 I Spouse
Option to purchase $ 19.53               (18) 11/16/2021 Common stock 500   5,200 I Spouse

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Thomason Linton J
1412 FOUR WINDS DRIVE
NIXA, MO 65714
      Vice President of Subsidiary

Signatures

 Matt Snyder, Attorney-in-fact for Linton J. Thomason   01/31/2012
**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) 625 shares vest on 9/18/2004, 9/18/2005, 9/18/2006 and 9/18/2007
(2) 750 shares vest on 9/25/2005, 9/25/2006, 9/25/2007 and 9/25/2008
(3) 1,918 shares vest on 12/31/2005 and 332 shares vest on 9/22/2009
(4) 563 shares vest on 9/20/2007 & 9/20/2008 and 562 shares vest on 9/20/2009 & 9/20/2010
(5) 450 shares vest on 10/18/2008, 10/18/2009, 10/18/2010 and 10/18/2011
(6) 475 shares vest on 10/17/2009, 10/17/2010, 10/17/2011 and 10/17/2012
(7) 475 shares vest on 11/19/2010, 11/19/2011, 11/19/2012 and 11/19/2013
(8) 475 shares vest on 12/9/2011, 12/9/2012, 12/9/2013 and 12/9/2014
(9) 500 shares vest on 11/17/2012, 11/17/2013, 11/17/2014 and 11/17/2015
(10) 500 shares vest on 11/16/2013, 11/16/2014, 11/16/2015 and 11/16/2016
(11) 600 shares vest on 12/31/2005
(12) 1,000 shares vest on 12/31/2005
(13) 200 shares vest on 10/18/2008, 10/18/2009, 10/18/2010 and 10/18/2011
(14) 200 shares vest on 10/17/2009, 10/17/2010, 10/17/2011 and 10/17/2012
(15) 200 shares vest on 11/19/2012 and 11/19/2013
(16) 200 shares vest on 12/9/2012, 12/9/2013 and 12/9/2014
(17) 125 shares vest on 11/17/2012, 11/17/2013, 11/17/2014 and 11/17/2015
(18) 125 shares vest on 11/16/2013, 11/16/2014, 11/16/2015 and 11/16/2016

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