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

NAME OF REPORTING PERSON

I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

Alexandra Global Master Fund Ltd.

98-0448776

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (A) o

(B) o (See Item 6)

SEC USE ONLY

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)

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) o

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

4.2% (See Item 4)

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

SCHEDULE 13G

CUSIP NO. 040311102

PAGE 3 OF 8 PAGES

NAME OF REPORTING PERSON

I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

Alexandra Investment Management, LLC

13-4092583

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (A) o

(B) o (See Item 6)

SEC USE ONLY

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)

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) o

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

4.2% (See Item 4)

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

SCHEDULE 13G

CUSIP NO. 040311102

PAGE 4 OF 8 PAGES

NAME OF REPORTING PERSON

I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

Mikhail A. Filimonov

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (A) o

(B) o (See Item 6)

SEC USE ONLY

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)

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) o

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

4.2% (See Item 4)

TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

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

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