8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 4, 2010

FIRST MERCURY FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	001-33077	38-3164336
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

29110 Inkster Road Suite 100 Southfield, Michigan	48034
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (800) 762-6837

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01 Regulation FD Disclosure

First Mercury Financial Corporation (“First Mercury”) is furnishing materials, included as Exhibit 99.1 to this report and incorporated herein by reference, which were prepared for inclusion on its investor relations website. First Mercury is not undertaking to update these materials. This report should not be deemed an admission as to the materiality of any information contained in these materials.

The information furnished in this report shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

99.1 Materials added to website on or about May 4, 2010.

SIGNATURE

Pursuant to the requirements of the Securities Exchange act of 1934, as amended, the company has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized.

	FIRST MERCURY FINANCIAL CORPORATION
DATE: May 4, 2010	BY:	/s/ John A. Marazza
		John A. Marazza
		Executive Vice President, Chief Financial Officer and Corporate Secretary

EX-99.1

Exhibit 99.1

May 4, 2010 Supplemental Schedule

	Three Months Ended
	March 31,		June 30,		September 30,		December 31,
	2009		2009		2009		2009
	(Dollars in thousands)
Gross Written Premiums:
Primary general liability	$	50,746	$	56,153	$	51,054	$	50,789
Excess/Umbrella casualty		8,646		8,509		8,414		9,596
Professional liability		8,333		7,338		11,631		7,509
Commercial property		7,570		8,778		8,498		7,250
Other (1)		2,583		1,743		2,211		27,067
Gross written premiums	$	77,878	$	82,521	$	81,808	$	102,211
Net Written Premiums:
Primary general liability	$	34,338	$	38,309	$	34,648	$	34,672
Excess/Umbrella casualty		1,008		906		1,201		1,557
Professional liability		6,420		5,610		6,832		5,671
Commercial property		5,476		6,874		1,433		5,946
Other (1)		2,583		1,743		2,211		27,067
Net written premiums	$	49,825	$	53,442	$	46,325	$	74,913

	March 31,		June 30,		September 30,		December 31,
	2008		2008		2008		2008
	(Dollars in thousands)
Gross Written Premiums:
Primary general liability	$	63,758	$	60,703	$	57,529	$	56,660
Excess/Umbrella casualty		5,897		6,051		6,566		10,028
Professional liability		6,197		5,012		5,304		5,635
Commercial property		3,855		6,597		5,755		9,062
Other		1,499		1,551		1,845		1,772
Gross written premiums	$	81,206	$	79,914	$	76,999	$	83,157
Net Written Premiums:
Primary general liability	$	50,047	$	43,653	$	40,106	$	43,711
Excess/Umbrella casualty		535		545		593		1,898
Professional liability		4,879		3,932		3,842		3,913
Commercial property		1,543		2,560		3,160		8,366
Other		1,499		1,551		1,845		1,772
Net written premiums	$	58,503	$	52,241	$	49,546	$	59,660

(1) Includes $25.3 million of gross and net written premium for an assumed retroactive reinsurance transaction recorded in the fourth quarter of 2009.