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):  September 15, 2003

 

Chiron Corporation

(Exact name of registrant as specified in its charter)

 

Delaware

 

0-12798

 

94-2754624

(State or other
 jurisdiction of
 incorporation)

 

(Commission
 File Number)

 

(IRS Employer
Identification No.)

 

 

 

 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)

 

 



 

Item 5.  Other Events and Regulation FD Disclosure.

 

Chiron Corporation announced on September 15, 2003, that chairman Seán P. Lance intends to retire from active service with Chiron and its board of directors as of the annual meeting of stockholders in May 2004.  The board of directors has determined that it will elect Chiron president and chief executive officer Howard H. Pien as chairman at the same meeting.

Following that election, Mr. Pien is expected to serve as Chiron’s chairman, president and chief executive officer.

 

Item 7.  Financial Statements and Exhibits.

 

(c) Exhibits.

 

EXHIBIT NUMBER

 

99.1                           Press release by Chiron Corporation dated September 15, 2003, relating to the Company’s announcement of chairmanship transition, referred to in Item 5 above.

 

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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.

 

 

 

 

 

CHIRON CORPORATION

 

 

 

 

 

 

 

 

 

 

Date:

September 15, 2003

 

By:

/s/ William G. Green

 

 

 

 

 

William G. Green

 

 

 

 

Senior Vice President,
General Counsel and
Secretary

 

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