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 *
JASTROW KENNETH M II
  2. Issuer Name and Ticker or Trading Symbol
Guaranty Financial Group Inc. [GFG]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Chairman of the Board
(Last)
(First)
(Middle)
8333 DOUGLAS AVENUE
3. Date of Earliest Transaction (Month/Day/Year)
08/04/2008
(Street)

DALLAS, TX 75225
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 08/04/2008 08/04/2008 P   50,000 (1) A $ 4.05 (1) 184,945 D  
Common Stock               6,071 I By Trustee of 401(k) Plan

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 (right to buy) (2) (3) $ 13.27             05/07/2001 05/07/2009 Common Stock 32,000   32,000 D  
Option (right to buy) (2) (4) $ 8.5             02/04/2002 02/04/2010 Common Stock 66,666   66,666 D  
Option (right to buy) (2) (5) $ 7.55             02/02/2002 02/02/2011 Common Stock 66,666   66,666 D  
Option (right to buy) (2) (6) $ 8.51             02/01/2003 02/01/2012 Common Stock 33,333   33,333 D  
Option (right to buy) (2) (7) $ 5.57             02/07/2004 02/07/2013 Common Stock 36,666   36,666 D  
Option (right to buy) (2) (8) $ 9.64             02/06/2005 02/06/2014 Common Stock 33,333   33,333 D  
Option (right to buy) (2) (9) $ 13             02/04/2006 02/04/2015 Common Stock 33,333   33,333 D  
Option (right to buy) (2) (10) $ 17.36             02/03/2007 02/03/2016 Common Stock 34,166   34,166 D  
Restricted Stock Units (2) (11) (11)               (11)   (11) Common Stock 24,666   24,666 D  
Restricted Stock Units (2) (12) (12)               (12)   (12) Common Stock 50,000   50,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
JASTROW KENNETH M II
8333 DOUGLAS AVENUE
DALLAS, TX 75225
  X     Chairman of the Board

Signatures

 Scott A. Almy signed on behalf of Kenneth M. Jastrow, II.   08/05/2008
**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) The price reported is a weighted average purchase price that ranged from $4.00 to $4.10. Reporting Person provided Issuer full information regarding the number of shares purchased at each separate price. Issuer will provide, upon receipt of a request, a copy of this information to the SEC staff or a security holder of the issuer.
(2) Shares acquired in a pro rata distribution by Temple-Inland Inc. through a spin-off on or around December 28, 2007.
(3) Options Vesting Schedule - exercise price $13.27: Options Exercisable 05/07/2001 - 4,800; Options Exercisable 05/07/2002 - 4,800; Options Exercisable 05/07/2003 - 4,800; Options Exercisable 05/07/2004 - 4,800; and Options Exercisable 05/07/2005 - 12,800.
(4) Options Vesting Schedule- exercise price $8.50: Options Exercisable 02/04/2002 - 10,000; Options Exercisable 02/04/2003 - 10,000; Options Exercisable 02/04/2004 - 10,000; Options Exercisable 02/04/2005 - 10,000; and Options Exercisable 02/04/2006 - 26,666.
(5) Options Vesting Schedule - exercise price $7.55: Options Exercisable 02/04/2002 - 16,666; Options Exercisable 02/04/2003 - 16,667; Options Exercisable 02/04/2004 - 16,666; Options Exercisable 02/04/2005 - 16,667.
(6) Options Vesting Schedule - exercise price $8.51: Options Exercisable 02/01/2003 - 8,333; Options Exercisable 02/01/2004 - 8,333; Options Exercisable 02/01/2005 - 8,333 and Options Exercisable 02/01/2006 - 8,334.
(7) Options Vesting Schedule - exercise price $5.57: Options Exercisable 02/07/2004 - 9,166; Options Exercisable 02/07/2005 - 9,166; Options Exercisable 02/07/2006 - 9,166; and Options Exercisable 02/07/2005 - 9,166.
(8) Options Vesting Schedule - exercise price $9.64: Options Exercisable 02/06/2005 - 8,333; Options Exercisable 02/06/2006 - 8,333; Options Exercisable 02/06/2007 - 8,333 and Options Exercisable 02/06/2008 - 8,334.
(9) Options Vesting Schedule - exercise price $13.00: Options Exercisable 02/04/2006 - 8,333; Options Exercisable 02/04/2007 - 8,333; Options Exercisable 02/04/2008 - 8,334 and Options Exercisable 02/04/2009 - 8,333.
(10) Options Vesting Schedule - exercise price $17.36: Options Exercisable 02/03/2007 - 8,541; Options Exercisable 02/03/2008 - 8,542; Options Exercisable 02/03/2009 - 8,542 and Options Exercisable 02/03/2010 - 8,541.
(11) Restricted Stock Units scheduled for distribution effective February 3, 2009. Restricted Stock Units will be settled for cash based on the fair market value on the date of distribution. Vesting, distribution and settlement due to retirement from Temple-Inland Inc. and in accordance with the terms of an agreement with Temple-Inland Inc.
(12) Restricted Stock Units scheduled for distribution effective February 2, 2010. Restricted Stock Units will be settled for cash based on the fair market value on the date of distribution. Vesting, distribution and settlement due to retirement from Temple-Inland Inc. and in accordance with the terms of an agreement with Temple-Inland Inc.

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.