Edgar Filing: Argo Group International Holdings, Ltd.

Schedule 13G

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO

RULES 13d-1(b),(c), and (d) AND AMENDMENTS THERETO FILED PURSUANT

TO RULE 13d-2

Argo Group International Holdings, Ltd.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

G0464B107

(CUSIP Number)

August 7, 2007

(Date of Event Which Requires Filing of this Statement)

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

¨	Rule 13d-1(b)

x	Rule 13d-1(c)

¨	Rule 13d-1(d)

The information required in 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).


CUSIP No. G0464B107		13G		Page 2 of 10

1. NAMES OF REPORTING PERSONS.

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

Singleton Group LLC

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)

(a) x

(b) ¨

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware

Number of
Shares
Beneficially Owned by
Each
Reporting
Person With

5. SOLE VOTING POWER 0

6. SHARED VOTING POWER 2,718,637

7. SOLE DISPOSITIVE POWER 0

8. SHARED DISPOSITIVE POWER 2,718,637

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

2,718,637

10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

(See Instructions) ¨

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

8.9% (See Item 4)

12. TYPE OF REPORTING PERSON (See Instructions)


CUSIP No. G0464B107		13G		Page 3 of 10

1. NAMES OF REPORTING PERSONS.

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

Christina Singleton Mednick

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)

(a) x

(b) ¨

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION

United States

Number of

Beneficially

Owned by

Each

Reporting

Person With

5. SOLE VOTING POWER 0

6. SHARED VOTING POWER 2,718,637

7. SOLE DISPOSITIVE POWER 0

8. SHARED DISPOSITIVE POWER 2,718,637

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

2,718,637

10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

(See Instructions) ¨

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

8.9% (See Item 4)

12. TYPE OF REPORTING PERSON (See Instructions)


CUSIP No. G0464B107		13G		Page 4 of 10

1. NAMES OF REPORTING PERSONS.

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

William W. Singleton

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)

(a) x

(b) ¨

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION

United States

Number of Shares Beneficially Owned by

Each

Reporting Person With

5. SOLE VOTING POWER 0

6. SHARED VOTING POWER 2,718,637

7. SOLE DISPOSITIVE POWER 0

8. SHARED DISPOSITIVE POWER 2,718,637

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

2,718,637

10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

(See Instructions) ¨

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

8.9% (See Item 4)

12. TYPE OF REPORTING PERSON (See Instructions)


CUSIP No. G0464B107		13G		Page 5 of 10

1. NAMES OF REPORTING PERSONS.

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

Donald E. Rugg

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)

(a) x

(b) ¨

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION

United States

Number of Shares Beneficially Owned by

Each

Reporting Person With

5. SOLE VOTING POWER 0

6. SHARED VOTING POWER 2,718,637

7. SOLE DISPOSITIVE POWER 0

8. SHARED DISPOSITIVE POWER 2,718,637

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

2,718,637

10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

(See Instructions) ¨

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

8.9% (See Item 4)

12. TYPE OF REPORTING PERSON (See Instructions)

Item 1(a). Name of Issuer:

Argo Group International Holdings, Ltd.

Item 1(b). Address of Issuer’s Principal Executive Offices:

PXRE House, 110 Pitts Bay Road, Pembroke HM 08, Bermuda

Item 2(a). Name of Persons Filing:

This statement is filed by the Singleton Group LLC, Christina Singleton Mednick, William W. Singleton and Donald E. Rugg. Each of the foregoing is referred to as a “Reporting Person” and collectively the “Reporting Persons.” Christina Singleton Mednick, William W. Singleton and Donald E. Rugg are each a manager of the Singleton Group LLC.

Item 2(b). Address of Principal Business Office or, if none, Residence:

The address of each of the Reporting Persons is c/o Singleton Group LLC, 11661 San Vicente Blvd., Suite 915, Los Angeles, CA 90049.

Item 2(c). Citizenship:

The Singleton Group LLC is a limited liability company formed under the laws of Delaware. Christina Singleton Mednick, William W. Singleton and Donald E. Rugg are citizens of the United States.

Item 2(d). Title of Class of Securities: Common Stock

Item 2(e). CUSIP Number: G0464B107

Item 3. If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8).

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);


CUSIP No. G0464B107		13G		Page 7 of 10

A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

Group, in accordance with §240.13d-1(b)(1)(ii)(J).

Not applicable.

Item 4. Ownership.

(a) Amount Beneficially Owned:

The Singleton Group LLC is the direct beneficial owner of 2,718,637 shares of common stock of Argo Group International Holdings, Ltd. (“Argo Group”). Christina Singleton Mednick, William W. Singleton and Donald E. Rugg, by virtue of their positions as managers of the Singleton Group LLC, are also beneficial owners of the 2,718,637 shares of common stock of Argo Group held by the Singleton Group LLC.

(b) Percent of Class: 8.9%

On August 7, 2007, Argonaut Group Inc. was merged with a wholly owned subsidiary of PXRE Group Ltd. (the “Merger”). In connection with the Merger, PXRE Group Ltd. changed its name to Argo Group and shares of common stock of Argo Group were issued to the Reporting Persons in exchange for their shares of common stock of Argonaut Group, Inc. As of the date of this Schedule 13G, Argo Group had not made any public filings reporting its total number of shares of common stock outstanding. Argo Group has stated to the Reporting Persons that the total number of outstanding shares of common stock of Argo Group as of August 14, 2007 is 30,623,442. In order for the Reporting Persons to timely file this Schedule 13G, the Reporting Persons are relying on the information provided by Argo Group that the total number of shares of common stock outstanding are 30,623,442 in order to calculate the percentage of Argo Group common shares beneficially owned by the Reporting Persons.

(i) Sole power to vote or to direct the vote: 0 shares of common stock

(ii) Shared power to vote or to direct the vote: 2,718,637 shares of common stock


CUSIP No. G0464B107		13G		Page 8 of 10

(iii) Sole power to dispose or to direct the disposition of: 0 shares of common stock

(iv) Shared power to dispose or to direct the disposition of: 2,718,637 shares of common stock

The Reporting Persons share voting and dispositive power with respect to the 2,718,637 shares of common stock of Argo Group beneficially owned by the Singleton Group LLC.

Item 5. Ownership of Five Percent or Less of a Class

Not applicable.

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 or Control Person.

Not applicable.

Item 8. Identification and Classification of Members of the Group

Christina Singleton Mednick, William W. Singleton, and Donald E. Rugg are managers of the LLC and may be considered members of a group with the Singleton Group LLC. See Exhibit 99.1 attached hereto.

Item 9. Notice of Dissolution of Group

Not applicable.

Item 10. Certifications

By signing below I certify that, to the best of my 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.


CUSIP No. G0464B107		13G		Page 9 of 10

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.


Dated: August 17, 2007	Singleton Group LLC, a Delaware limited liability company

	By:	/s/ Donald E. Rugg
		Donald E. Rugg, Manager

		/s/ Christina Singleton Mednick
		Christina Singleton Mednick

		/s/ William W. Singleton
		William W. Singleton

		/s/ Donald E. Rugg
		Donald E. Rugg


CUSIP No. G0464B107		13G		Page 10 of 10

EXHIBIT INDEX


EXHIBIT NO.		DESCRIPTION

Exhibit 99.1		Group Members

Exhibit 99.2		Joint Filing Agreement dated August 17, 2007