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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

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FORM 8-K

 

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CURRENT REPORT

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

 

Date of Report (Date of earliest event reported): April 26, 2005

 

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Arrowhead Research Corporation

(Exact name of registrant as specified in its charter)

 

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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)

 

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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 (see General Instruction A.2. below):

 

¨	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 April 26, 2005, Arrowhead Research Corporation issued a press release announcing its plan to redeem the Company’s outstanding warrants to purchase common stock, subject to certain conditions. The Company’s press release is attached as Exhibit 99.1 to this report.

 

Item 9.01. Financial Statements and Exhibits.

 

(c) Exhibits.

 

Exhibit No.		Description
99.1		Press Release announcing plan to redeem warrants, dated April 26, 2005.

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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: April 26, 2005