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):  October 31, 2005

 

Chiron Corporation

(Exact name of registrant as specified in its charter)

 

Delaware

 

0-12798

 

94-2754624

(State or other

 

(Commission

 

(IRS Employer

jurisdiction of

 

File Number)

 

Identification No.)

incorporation)

 

 

 

 

 

4560 Horton Street, Emeryville, CA

 

94608

(Address of principal executive offices)

 

(Zip Code)

 

Registrant’s telephone number, including area code (510) 655-8730

 

N/A

(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 (see General Instruction A.2. below):

 

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

ý 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 8.01 Other Events.

 

On October 31, 2005, Chiron Corporation announced that it entered into a definitive agreement with Novartis AG and Novartis Corporation.

 

The press release dated October 31, 2005 is attached to this Form 8-K as Exhibit 99.1 and is incorporated herein by reference.

 

Item 9.01.                                          Financial Statements and Exhibits.

 

(d)

Exhibits.

 

 

 

 

 

 

 

Exhibit Number

 

Description

 

 

 

 

 

99.1

 

Press Release issued October 31, 2005.

 

#  #  #

 

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SIGNATURE

 

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.

 

 

 

CHIRON CORPORATION

 

(Registrant)

 

 

 

 

 

 

Date: October 31, 2005

By:

/s/ Jessica Hoover

 

 

 

Jessica Hoover

 

 

Vice President, Head of Corporate

 

 

Business Development

 

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