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^*

Cormack Ian

(Last)

(First)

(Middle)

ASPEN INSURANCE HOLDINGS LIMITED

141 FRONT STREET

(Street)

HAMILTON

HM19

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2013

3. Issuer Name and Ticker or Trading Symbol
ASPEN INSURANCE HOLDINGS LTD [ AHL ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

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)
Ordinary Shares⁽¹⁾	19,558⁽²⁾	D

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)
2003 Options	⁽³⁾	08/20/2013	Ordinary Shares	40,470	$16.2	D
2006 Options	05/25/2009	05/25/2016	Ordinary Shares	4,435	$21.96	D

Explanation of Responses:

1. As of June 29, 2012, the Issuer ceased to qualify as a foreign private issuer under Rule 3b-4(c) of the Securities Exchange Act.

2. This includes 3,541 Restricted Share Units granted on February 8, 2012, of which 10/12th are issuable by December 31, 2012 and the remaining 2/12th are issuable on the one year anniversary of the grant date subject to the Reporting Person's continued service.

3. For the 2003 options, 65% of the grant was subject to time vesting with 20% vesting and becoming exercisable on grant date and each of December 31, 2003, 2004, 2005 and 2006. The remaining 35% of the grant was subject to performance-based vesting (based on annual and two-year ROE tests) and cliff-vested on December 31, 2009. All options were exercisable by December 31, 2009.

Remarks:

	/s/ Patricia Roufca as Attorney-in-fact for Ian Cormack	12/18/2012
	** 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.