SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Thomason Linton J

(Last)

(First)

(Middle)

1412 FOUR WINDS DRIVE

(Street)

NIXA

65714

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
08/16/2006

3. Issuer Name and Ticker or Trading Symbol
GREAT SOUTHERN BANCORP INC [ GSBC ]

4. 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

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common stock	4,065	D
Common stock	215	I	Spouse's 401(k)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Option to purchase	⁽¹⁾	10/21/2008	Common stock	374	$12	D
Option to purchase	⁽²⁾	10/20/2009	Common stock	498	$10.75	D
Option to purchase	⁽³⁾	09/20/2010	Common stock	500	$7.922	D
Option to purchase	⁽⁴⁾	09/24/2011	Common stock	2,500	$12.8975	D
Option to purchase	⁽⁵⁾	09/18/2012	Common stock	2,500	$18.1875	D
Option to purchase	⁽⁶⁾	09/25/2013	Common stock	3,000	$20.12	D
Option to purchase	⁽⁷⁾	09/22/2014	Common stock	2,250	$32.07	D
Option to purchase	⁽⁸⁾	09/20/2015	Common stock	2,250	$30.34	D

Explanation of Responses:

1. 374 shares vest on 10/21/2003

2. 123 shares vest on 10/20/2003 and 375 vest on 10/20/2004

3. 500 shares vest on 9/20/2005

4. 625 vest on 9/24/2003, 9/24/2004, 9/24/2005 and 9/24/2006

5. 625 shares vest on 9/18/2004, 9/18/2005, 9/18/2006 and 9/18/2007

6. 750 shares vest on 9/25/2005, 9/25/2006, 9/25/2007 and 9/25/2008

7. 1,918 shares vest on 12/31/2005 and 332 shares vest on 9/22/2009

8. 563 shares vest on 9/20/2007 & 9/20/2008 and 562 shares vest on 9/20/2009 & 9/20/2010

	Matt Snyder, Attorney-in-fact for Linton J. Thomason	09/29/2006
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.