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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-C
REPORT BY ISSUER OF SECURITIES QUOTED ON NASDAQ
INTERDEALER QUOTATION SYSTEM
FILED PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
AND RULE 13a-17 OR 15d-17 THEREUNDER
Chiron Corporation
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(Exact name of issuer as specified in charter)
4560 Horton Street, Emeryville, California 94608-2916
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(Address of principal executive offices)
Issuer's telephone number, including area code (510) 655-8730
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I. CHANGE IN NUMBER OF SHARES OUTSTANDING
Indicate any change (increase or decrease) of 5% or more in the
number of shares outstanding:
1. Title of security Common Stock, $0.01 par value
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2. Number of shares outstanding before the change 39,950,993
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3. Number of shares outstanding after the change 41,952,078
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4. Effective date of change January 22, 1996
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5. Method of change:
Specify method (such as merger, acquisition, exchange,
distribution, stock split, reverse split, acquisition of stock for
treasury, etc.) Warrant and stock option exercises, issuances
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under Employee Stock Purchase Plan, acquisition.
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Give brief description of transaction Issuance of stock as a result
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of (1) exercises of stock options under stock option plan,
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(2) quarterly stock purchases under Employee Stock Purchase Plan
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(3) acquisition of Viagene, Inc. in September 1995 and (4) exercise
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of warrants
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II. CHANGE IN NAME OF ISSUER
1. Name prior to change N/A
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2. Name after change
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3. Effective date of charter amendment changing name
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4. Date of shareholder approval of change, if required
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Date January 26, 1996
/s/ William G. Green, Senior Vice President & General Counsel
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(Officer's signature & title)
