SCHEDULE 13G
CUSIP NO. 040311102

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

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. 2)*

Argyle Security, Inc.
(Name of Issuer)

Common Stock, $.0001 par value
(Title of Class of Securities)

040311102
(CUSIP Number)

December 31, 2009
(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o   Rule 13d-1(b)
x  Rule 13d-1(c)
o   Rule 13d-1(d)
 
*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 
 
 

SCHEDULE 13G
CUSIP NO. 040311102
PAGE 2 OF 8 PAGES
 
1
NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

Alexandra Global Master Fund Ltd.
98-0448776
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (A) o
                                                                                                                     (B) o (See Item 6)

3
SEC USE ONLY

4
CITIZENSHIP OR PLACE OF ORGANIZATION

British Virgin Islands
NUMBER OF
5        SOLE VOTING POWER
SHARES
  
BENEFICIALLY
-0-
OWNED BY
 
EACH
6        SHARED VOTING POWER
REPORTING
  
PERSON
325,000 shares of Common Stock (See Item 4)
WITH:
  
 
7        SOLE DISPOSITIVE POWER
   
 
-0-
   
 
8        SHARED DISPOSITIVE POWER
   
 
325,000 shares of Common Stock (See Item 4)
     
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

325,000 shares of Common Stock (See Item 4)
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)                                                                                                                              o
 
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

4.2% (See Item 4)
12
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

CO
 
 
 
 

SCHEDULE 13G
CUSIP NO. 040311102
PAGE 3 OF 8 PAGES
 
1
NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

Alexandra Investment Management, LLC
13-4092583
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (A) o
                                                                                                                     (B) o (See Item 6)

3
SEC USE ONLY

4
CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware
NUMBER OF
5        SOLE VOTING POWER
SHARES
  
BENEFICIALLY
-0-
OWNED BY
 
EACH
6        SHARED VOTING POWER
REPORTING
  
PERSON
325,000 shares of Common Stock (See Item 4)
WITH:
  
 
7        SOLE DISPOSITIVE POWER
   
 
-0-
   
 
8        SHARED DISPOSITIVE POWER
   
 
325,000 shares of Common Stock (See Item 4)
     
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

325,000 shares of Common Stock (See Item 4)
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)                                                                                                                              o
 
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

4.2% (See Item 4)
12
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

OO
 
 
 
 
 

SCHEDULE 13G
CUSIP NO. 040311102
PAGE 4 OF 8 PAGES
 
1
NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

Mikhail A. Filimonov
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP      (A) o
                                                                                                                     (B) o (See Item 6)

3
SEC USE ONLY

4
CITIZENSHIP OR PLACE OF ORGANIZATION

U.S.
NUMBER OF
5        SOLE VOTING POWER
SHARES
  
BENEFICIALLY
-0-
OWNED BY
 
EACH
6        SHARED VOTING POWER
REPORTING
  
PERSON
325,000 shares of Common Stock (See Item 4)
WITH:
  
 
7        SOLE DISPOSITIVE POWER
   
 
-0-
   
 
8        SHARED DISPOSITIVE POWER
   
 
325,000 shares of Common Stock (See Item 4)
     
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

325,000 shares of Common Stock (See Item 4)
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)                                                                                                                              o
 
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

4.2% (See Item 4)
12
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

IN
 
 
 
 

SCHEDULE 13G
CUSIP NO. 040311102
PAGE 5 OF 8 PAGES
 
Item 1(a).
Name of Issuer:
   
 
Argyle Security, Inc. (the “Issuer”)
   
Item 1(b).
Address of Issuer’s Principal Executive Offices:
   
 
12903 Delivery Drive
 
San Antonio, Texas  78247
   
Item 2(a).
Names of Persons Filing:
   
 
Alexandra Global Master Fund Ltd. ("Alexandra")
 
Alexandra Investment Management, LLC ("AIM")
 
Mikhail A. Filimonov ("Filimonov")
   
Item 2(b).
Address of Principal Business Office:
   
 
Alexandra – Citco Building, Wickams Cay, P.O. Box 662,
 
Road Town, Tortola, British Virgin Islands
 
AIM – 780 Third Avenue, 35th Floor, New York,
 
New York 10017
 
Filimonov – 780 Third Avenue, 35th Floor, New York,
 
New York 10017
   
Item 2(c).
Place of Organization or Citizenship:
   
 
Alexandra – British Virgin Islands
 
AIM – Delaware
 
Filimonov – U.S.
   
Item 2(d).
Title of Class of Securities:
   
 
Common Stock, $.0001 par value per share, of the Issuer (the "Common Stock")
   
Item 2(e).
CUSIP Number: 040311102
   
Item 3.
This Schedule is filed pursuant to Rule 13d-1(c) by
 
Alexandra, AIM and Filimonov
   
Item 4.
Ownership:

 
(a)
Amount Beneficially Owned:
     
   
Alexandra: 325,000 shares*
   
AIM: 325,000 shares*
   
Filimonov: 325,000 shares*
     
 
(b)
Percent of Class:
     
   
Alexandra: 4.2%*
   
AIM: 4.2%*
   
Filimonov: 4.2%*
     
   
(Based on 7,409,805 shares of Common Stock outstanding, as of November 19, 2009, as reported by the Issuer in the Issuer’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2009).

 
 
 
 
SCHEDULE 13G
CUSIP NO. 040311102
PAGE 6 OF 8 PAGES
 
 
(c)
 Number of Shares as to which the Person has:
       
   
(i)
sole power to vote or to direct the vote
       
   
-0-
       
   
(ii)
shared power to vote or to direct the vote:
       
     
325,000 shares of Common Stock*
       
   
(iii)
sole power to dispose or to direct the disposition of
       
   
-0-
       
   
(iv)
shared power to dispose or to direct the disposition of
       
     
325,000 shares of Common Stock*

* AIM serves as investment advisor to Alexandra.  By reason of such relationship, AIM may be deemed to share voting and dispositive power over the shares of Common Stock owned by Alexandra.  AIM disclaims beneficial ownership of the shares of Common Stock listed as beneficially owned by Alexandra or any other person reporting on this Schedule.

Filimonov serves as the Chairman, the Chief Executive Officer, a Managing Member and the Chief Investment Officer of AIM.  By reason of such relationships, Filimonov may be deemed to share voting and dispositive power over the shares of Common Stock listed as beneficially owned by AIM.  Filimonov disclaims beneficial ownership of the shares of Common Stock listed as beneficially owned by AIM or any other person reporting on this Schedule.

Item 5.
Ownership of Five Percent or Less of a Class:
   
 
If this statement is being filed to report the fact that as  of the date hereof each of the Reporting Persons ceased to be the beneficial owner of more than five percent of the class of securities, check the following x
   
Item 6.
Ownership of More Than Five Percent on Behalf of Another Person:
   
 
Not applicable
   
Item 7.
Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent  Holding Company:
   
 
Not applicable
   
Item 8.
Identification and Classification of Members of the Group:
   
 
Not applicable

 
 
 
 
SCHEDULE 13G
CUSIP NO. 040311102
PAGE 7 OF 8 PAGES
 
Item 9.
Notice of Dissolution of Group:
   
 
Not applicable
   
Item 10.
Certification:

By signing below each signatory certifies that, to the best of its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

Exhibits:

Exhibit I: Joint Filing Agreement, dated as of October 20, 2008, by and among Alexandra, AIM and Filimonov (incorporated herein by reference to the exhibit with the same number filed with the Schedule 13G by the persons reporting on this Amendment No. 2).

 
 
 

SCHEDULE 13G
CUSIP NO. 040311102
PAGE 8 OF 8 PAGES
 
SIGNATURE

     By signing below each signatory certifies that, to the best of its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

Date: February 16, 2010

ALEXANDRA GLOBAL MASTER FUND LTD.
   
By:
ALEXANDRA INVESTMENT MANAGEMENT, LLC,
 
its Investment Advisor
   
 
By: /s/ Mikhail A. Filimonov
 
Mikhail A. Filimonov
 
Title: Managing Member
 
 
ALEXANDRA INVESTMENT MANAGEMENT, LLC
 
By: /s/ Mikhail A. Filimonov
Mikhail A. Filimonov
Title: Managing Member
 
/s/ Mikhail A. Filimonov
Mikhail A. Filimonov