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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): January 24, 2006

 

Arrowhead Research Corporation

(Exact name of registrant as specified in its charter)

 

Delaware		0-21898		46-0408024
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

 

1118 East Green Street, Pasadena, CA		91106
(Address of principal executive offices)		(Zip Code)

 

Registrant’s telephone number, including area code: (626) 792-5549

 

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:

 

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

 

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

 

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

 

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

 

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Item 8.01.

Other Events.

 

On January 24, 2006 the Company distributed its 2005 Annual Report with a Letter to Shareholders from the Chairman of the Board (the “Letter to Shareholders”). The information included in this Item 8.01, including the Letter to the Shareholders, satisfies the public disclosure requirements of Regulation FD and Item 7.01 of this Form 8-K. This information is “furnished” and not “filed” for purposes of Section 18 of the Securities and Exchange Act of 1934, or otherwise subject to the liabilities of that section. It may be incorporated by reference in another filing under the Securities and Exchange Act of 1934 or the Securities Act of 1933 only if, and to the extent that, such subsequent filing specifically references the information incorporated by reference herein.

 

The Letter to Shareholders is attached as Exhibit 99.1 hereto.

 

Item 9.01. Financial Statements and Exhibits.

 

(c) Exhibits.

 

Exhibit No.		Description
99.1		Letter to Shareholders

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SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

Date: January 24, 2006